Robin Ras

Slippery and magnetically responsive micropillared surfaces for manipulation of droplets and beads

Anas Al-Azawi, Christoph Horenz, Topi Tupasela, Olli Ikkala, Ville Jokinen, Sami Franssila, Robin H. A. Ras 2020 AIP ADVANCES

Water droplet friction and rolling dynamics on superhydrophobic surfaces

Matilda Backholm, Daniel Molpeceres, Maja Vuckovac, Heikki Nurmi, Matti Hokkanen, Ville Jokinen, Jaakko Timonen, Robin Ras 2020 Communications Materials

Dual emitting Ag₃₅nanocluster protected by 2-pyrene imine thiol

Arijit Jana, Papri Chakraborty, Wakeel Ahmed Dar, Sourov Chandra, Esma Khatun, M. P. Kannan, Robin H.A. Ras, Thalappil Pradeep 2020 Chemical Communications

Ferrofluid Microdroplet Splitting for Population-Based Microfluidics and Interfacial Tensiometry

Mika Latikka, Matilda Backholm, Avijit Baidya, Alberto Ballesio, Amandine Serve, Grégory Beaune, Jaakko V.I. Timonen, Thalappil Pradeep, Robin H.A. Ras 2020 Advanced Science

Effect of hydrogen-bond strength on photoresponsive properties of polymer-azobenzene complexes

Jaana Vapaavuori, Jenni E. Koskela, Xiaoxiao Wang, Robin H.A. Ras, Arri Priimagi, C. Geraldine Bazuin, Christian Pellerin 2020 Canadian Journal of Chemistry

Viscosity-enhanced droplet motion in sealed superhydrophobic capillaries

Maja Vuckovac, Matilda Backholm, Jaakko V.I. Timonen, Robin H.A. Ras 2020 Science Advances

Design of robust superhydrophobic surfaces

Dehui Wang, Qiangqiang Sun, M.J. Hokkanen, Chenglin Zhang, Fan-Yen Lin, Qiang Liu, Shun-Peng Zhu, Tianfeng Zhou, Qing Chang, Bo He, Quan Zhou, Longquan Chen, Zuankai Wang, Robin Ras, Xu Deng 2020 Nature

Nature–Inspired self–cleaning surfaces

Cunming Yu, Srdjan Sasic, Kai Liu, Samir Salameh, Robin H.A. Ras, J. Ruud van Ommen 2020 Chemical Engineering Research and Design

Erratum

Chunhui Zhang, Yuheng Zhang, Xiao Xiao, Guoliang Liu, Zhe Xu, Bing Wang, Cunming Yu, Robin H.A. Ras, Lei Jiang 2020

Tunable and Magnetic Thiol-ene Micropillar Arrays

Anas Al-Azawi, Zoran Cenev, Topi Tupasela, Bo Peng, Olli Ikkala, Quan Zhou, Ville Jokinen, Sami Franssila, Robin Ras 2020 Macromolecular Rapid Communications

Designed inorganic porous nanovector with controlled release and MRI features for safe administration of doxorubicin

Simo Näkki, Julie T.W. Wang, Jianwei Wu, Li Fan, Jimi Rantanen, Tuomo Nissinen, Mikko I. Kettunen, Matilda Backholm, Robin H.A. Ras, Khuloud T. Al-Jamal, Vesa Pekka Lehto, Wujun Xu 2019 International Journal of Pharmaceutics

Light-induced reversible hydrophobization of cationic gold nanoparticles via electrostatic adsorption of a photoacid

Hang Zhang, Junaid Muhammad, Kai Liu, Robin H.A. Ras, Olli Ikkala 2019 Nanoscale

Efficient separation of immiscible oil/water mixtures using a perforated lotus leaf

Chunhui Zhang, Yuheng Zhang, Xiao Xiao, Guoliang Liu, Zhe Xu, Bing Wang, Cunming Yu, Robin H.A. Ras, Lei Jiang 2019 Green Chemistry

Uncertainties in contact angle goniometry

Maja Vuckovac, Mika Latikka, Kai Liu, Tommi Huhtamäki, Robin H.A. Ras 2019 Soft Matter

Inkjet-Printed Three-Dimensional Colloidal Photonic Crystals for Structural Coloration of Solar Cells

Roberto Speranza, Tommi Huhtamäki, Sakari Lepikko, Robin Ras, Janne Halme 2019

Micropatterned nanocellulose films and magnetically responsive cellulose nanocrystals as platforms for microfluidic devices and selective protein separation

Jiaqi Guo, Erkko Filpponen, Leena-Sisko Johansson, Markus Linder, Robin Ras, Pavel Levkin, Orlando Rojas 2019 Abstracts of papers of the American Chemical Society

Improving surface-wetting characterization

Kai Liu, Maja Vuckovac, Mika Latikka, Tommi Huhtamäki, Robin H.A. Ras 2019 Science

Capillary Transport of Miniature Soft Ribbons

Bo Chang, Heng Liu, Robin Ras, Quan Zhou 2019 MICROMACHINES

Highly Luminescent Gold Nanocluster Frameworks

Sourov Chandra, Nonappa Nonappa, Grégory Beaune, Anirban Som, Shaochen Zhou, Jouko Lahtinen, Hua Jiang, Jaakko Timonen, Olli Ikkala, Robin Ras 2019 ADVANCED OPTICAL MATERIALS

Waterborne Fluorine-Free Superhydrophobic Surfaces Exhibiting Simultaneous CO₂ and Humidity Sorption

Avijit Baidya, Anagha Yatheendran, Tripti Ahuja, Chennu Sudhakar, Sarit Kumar Das, Robin H.A. Ras, Thalappil Pradeep 2019 Advanced Materials Interfaces

Magnetic microdroplets as a method to extract antibodies from their growth media

Hedar Al-Terke, Mika Latikka, Jaakko Timonen, Arja Paananen, Jussi J. Joensuu, Robin Ras 2019 Abstracts of papers of the American Chemical Society

Superhydrophobic blood-repellent surfaces

Ville Jokinen, Esko Kankuri, Sasha Hoshian, Sami Franssila, Robin Ras 2018 Advanced Materials

A supramolecular host-guest complex for heparin binding and sensing

Salla Välimäki, Ngong Kodiah Beyeh, Veikko Linko, Robin H.A. Ras, Mauri A. Kostiainen 2018 Nanoscale

High concentration aqueous magnetic fluids

Corina Vasilescu, M. Latikka, K. D. Knudsen, V. M. Garamus, V. Socoliuc, Rodica Turcu, Etelka Tombácz, Daniela Susan-Resiga, R. H.A. Ras, L. Vékás 2018 Soft Matter

Bamboo-like Chained Cavities and Other Halogen-Bonded Complexes from Tetrahaloethynyl Cavitands with Simple Ditopic Halogen Bond Acceptors

Lotta Turunen, Fangfang Pan, Ngong Kodiah Beyeh, John F. Trant, Robin H.A. Ras, Kari Rissanen 2018 Crystal Growth and Design

Erratum

Ville Liimatainen, Maja Vuckovac, Ville Jokinen, Veikko Sariola, Matti J. Hokkanen, Quan Zhou, Robin H.A. Ras 2018

Wetting of ferrofluids

Mika Latikka, Matilda Backholm, Jaakko V.I. Timonen, Robin H.A. Ras 2018 Current Opinion in Colloid and Interface Science

Superhydrophobic Paper from Nanostructured Fluorinated Cellulose Esters

Pegah Khanjani, Alistair W.T. King, Gabriel J. Partl, Leena Sisko Johansson, Mauri A. Kostiainen, Robin H.A. Ras 2018 ACS Applied Materials and Interfaces

A microfluidic oxygen sink to create a targeted cellular hypoxic microenvironment under ambient atmospheric conditions

Samineh Barmaki, Ville Jokinen, Daniela Obermaier, Daria Blokhina, Matti Korhonen, Robin H.A. Ras, Jyrki Vuola, Sami Franssila, Esko Kankuri 2018 Acta Biomaterialia

Surface-wetting characterization using contact-angle measurements

Tommi Huhtamäki, Xuelin Tian, Juuso T. Korhonen, Robin H.A. Ras 2018 Nature Protocols

Antifouling membranes for oily wastewater treatment

Shilin Huang, Robin H.A. Ras, Xuelin Tian 2018 Current Opinion in Colloid and Interface Science

Superoleophobic Slippery Lubricant-Infused Surfaces

Zheqin Dong, Martin F. Schumann, Matti J. Hokkanen, Bo Chang, Alexander Welle, Quan Zhou, Robin H.A. Ras, Zhenliang Xu, Martin Wegener, Pavel A. Levkin 2018 Advanced Materials

A Short-Chain Multibranched Perfluoroalkyl Thiol for More Sustainable Hydrophobic Coatings

Valentina Dichiarante, Maria I. Martinez Espinoza, Lara Gazzera, Maja Vuckovac, Mika Latikka, Gabriella Cavallo, Giuseppina Raffaini, Reinier Oropesa-Nunez, Claudio Canale, Silvia Dante, Sergio Marras, Riccardo Carzino, Mirko Prato, Robin H.A. Ras, Pierangelo Metrangolo 2018 ACS Sustainable Chemistry and Engineering

Nanoliter deposition on star-shaped hydrophilic–superhydrophobic patterned surfaces

Bo Chang, Oskari Kivinen, Ivana Pini, Pavel A. Levkin, Robin Ras, Quan Zhou 2018 Soft Matter

High-affinity and selective detection of pyrophosphate in water by a resorcinarene salt receptor

Ngong Kodiah Beyeh, Isabel Díez, S. Maryamdokht Taimoory, Daniel Meister, Andrew I. Feig, John F. Trant, Robin H.A. Ras, Kari Rissanen 2018 Chemical Science

Crystalline Cyclophane–Protein Cage Frameworks

Ngong Beyeh, Nonappa Nonappa, Ville Liljeström, Joona Mikkilä, Antti Korpi, Davide Bochicchio, Giovanni M. Pavan, Olli Ikkala, Robin H. A. Ras, Mauri Kostiainen 2018 ACS Nano

Fabrication of a Waterborne Durable Superhydrophobic Material Functioning in Air and under Oil

Avijit Baidya, Sarit Kumar Das, Robin H.A. Ras, Thalappil Pradeep 2018 Advanced Materials Interfaces

Cooperative colloidal self-assembly of metal-protein superlattice wires

Ville Liljeström, Ari Ora, Jukka Hassinen, Heikki Rekola, Nonappa Nonappa, Maria Heilala, Ville Hynninen, Jussi J. Joensuu, Robin Ras, Päivi Törmä, Olli Ikkala, Mauri Kostiainen 2017 Nature Communications

Halogen-bonded solvates of tetrahaloethynyl cavitands

Lotta Turunen, Fangfang Pan, Ngong Kodiah Beyeh, Mario Cetina, John F. Trant, Robin H.A. Ras, Kari Rissanen 2017 CrystEngComm

Superhydrophobic and Superoleophobic Nanostructured Cellulose and Cellulose Composites

Robin Ras, Xuelin Tian, Ilke Bayer 2017 Handbook of Nanocellulose and Cellulose Nanocomposites

CHAPTER 13

Robin H A Ras, Xuelin Tian, Bo Chang, Jaakko V I Timonen 2017 Non-wettable Surfaces: Theory, Preparation, and Applications

Host-guest complexes of C-propyl-2-bromoresorcinarene with aromatic N-oxides^*

Rakesh Puttreddy, Ngong Kodiah Beyeh, Pia Jurček, Lotta Turunen, John F. Trant, Robin H.A. Ras, Kari Rissanen 2017 Supramolecular Chemistry

Host-Guest Complexes of C-Ethyl-2-methylresorcinarene and Aromatic N,N′-Dioxides

Rakesh Puttreddy, Ngong Kodiah Beyeh, Robin H A Ras, Kari Rissanen 2017 ChemistryOpen

Endo -/ exo - And halogen-bonded complexes of conformationally rigid C -ethyl-2-bromoresorcinarene and aromatic N -oxides

Rakesh Puttreddy, Ngong Kodiah Beyeh, Robin H.A. Ras, John F. Trant, Kari Rissanen 2017 CrystEngComm

Recognition of Viologen Derivatives in Water by N-Alkyl Ammonium Resorcinarene Chlorides

Ngong K. Beyeh, Hyun Hwa Jo, Igor Kolesnichenko, Fangfang Pan, Elina Kalenius, Eric V. Anslyn, Robin H. A. Ras, Kari Rissanen 2017 Journal of organic chemistry

Mapping microscale wetting variations on biological and synthetic water-repellent surfaces

Ville Liimatainen, Maja Vuckovac, Ville Jokinen, Veikko Sariola, Matti Hokkanen, Quan Zhou, Robin Ras 2017 Nature Communications

Complexes of Magnetic Nanoparticles with Cellulose Nanocrystals as Regenerable, Highly Efficient, and Selective Platform for Protein Separation

Jiaqi Guo, Ilari Filpponen, Leena Sisko Johansson, Pezhman Mohammadi, Mika Latikka, Markus B. Linder, Robin H A Ras, Orlando J. Rojas 2017 Biomacromolecules

Review Article : Recommended reading list of early publications on atomic layer deposition - Outcome of the "Virtual Project on the History of ALD

Esko Ahvenniemi, Andrew R. Akbashev, Saima Ali, Mikhael Bechelany, Maria Berdova, Stefan Boyadjiev, David C. Cameron, Rong Chen, Mikhail Chubarov, Veronique Cremers, Anjana Devi, Viktor Drozd, Liliya Elnikova, Gloria Gottardi, Kestutis Grigoras, Dennis M. Hausmann, Cheol Seong Hwang, Shih Hui Jen, Tanja Kallio, Jaana Kanervo, Ivan Khmelnitskiy, Do Han Kim, Lev Klibanov, Yury Koshtyal, A. Outi I. Krause, Jakob Kuhs, Irina Kärkkänen, Marja Leena Kääriäinen, Tommi Kääriäinen, Luca Lamagna, Adam A. Łapicki, Markku Leskelä, Harri Lipsanen, Jussi Lyytinen, Anatoly Malkov, Anatoly Malygin, Abdelkader Mennad, Christian Militzer, Jyrki Molarius, Małgorzata Norek, Çaǧla Özgit-Akgün, Mikhail Panov, Henrik Pedersen, Fabien Piallat, Georgi Popov, Riikka L. Puurunen, Geert Rampelberg, Robin H A Ras, Erwan Rauwel, Fred Roozeboom, Timo Sajavaara, Hossein Salami, Hele Savin, Nathanaelle Schneider, Thomas E. Seidel, Jonas Sundqvist, Dmitry B. Suyatin, Tobias Törndahl, J. Ruud Van Ommen, Claudia Wiemer, Oili M E Ylivaara, Oksana Yurkevich 2017 JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY A

Organic Solvent-Free Fabrication of Durable and Multifunctional Superhydrophobic Paper from Waterborne Fluorinated Cellulose Nanofiber Building Blocks

Avijit Baidya, Mohd Azhardin Ganayee, Swathy Jakka Ravindran, Kam Chiu Tam, Sarit Kumar Das, Robin H.A. Ras, Thalappil Pradeep 2017 ACS Nano

Slippery and never wet

Matilda Backholm, Jaakko V.I. Timonen, Robin H.A. Ras 2017 Europhysics News

Oscillating Ferrofluid Droplet Microrheology of Liquid-Immersed Sessile Droplets

Matilda Backholm, Maja Vuckovac, Jan Schreier, Mika Latikka, Michael Hummel, Markus B. Linder, Robin H.A. Ras 2017 Langmuir

Friction and Wetting Transitions of Magnetic Droplets on Micropillared Superhydrophobic Surfaces

Anas Al-Azawi, Mika Latikka, Ville Jokinen, Sami Franssila, Robin H.A. Ras 2017 Small

Water and Blood Repellent Flexible Tubes

Sasha Hoshian, Esko Kankuri, Robin H.A. Ras, Sami Franssila, Ville Jokinen 2017 Scientific Reports

Structural diversity in metal-organic nanoparticles based on iron isopropoxide treated lignin

Kalle Lintinen, Mika Latikka, Mika Henrikki Sipponen, Robin H A Ras, Monika Österberg, Mauri A. Kostiainen 2016 RSC Advances

Electrical behaviour of native cellulose nanofibril/carbon nanotube hybrid aerogels under cyclic compression

Miao Wang, Ilya V. Anoshkin, Albert G. Nasibulin, Robin H A Ras, Nonappa Nonappa, Janne Laine, Esko I. Kauppinen, Olli Ikkala 2016 RSC Advances

Unusual Dual Superlyophobic Surfaces in Oil-Water Systems

Xuelin Tian, Ville Jokinen, Juan Li, Jani Sainio, Robin H A Ras 2016 Advanced Materials

Moving superhydrophobic surfaces toward real-world applications

Xuelin Tian, Tuukka Verho, Robin H A Ras 2016 Science

N-Alkyl ammonium resorcinarene polyiodides

Fangfang Pan, Ngong Kodiah Beyeh, Robin H A Ras, Kari Rissanen 2016 CrystEngComm

Guest-Induced Folding of the N-Benzyl Substituents in an Ammonium Resorcinarene Chloride and the Formation of a Halogen-Bonded Dimer of Capsules

Fangfang Pan, Ngong Kodiah Beyeh, Robin H A Ras, Kari Rissanen 2016 Crystal Growth and Design

Chiral Plasmonics Using Twisting along Cellulose Nanocrystals as a Template for Gold Nanoparticles

Johanna Majoinen, Jukka Hassinen, Johannes S. Haataja, Heikki T. Rekola, Eero Kontturi, Mauri A. Kostiainen, Robin H A Ras, Päivi Törmä, Olli Ikkala 2016 Advanced Materials

2-Methylresorcinarene: a very high packing coefficient in a mono-anion based dimeric capsule and the X-ray crystal structure of the tetra-anion

Rakesh Puttreddy, Ngong Kodiah Beyeh, Elina Kalenius, Robin H A Ras, Kari Rissanen 2016 Chemical Communications

Oil droplet self-transportation on oleophobic surfaces

Juan Li, QiHang Qin, Ali Shah, Robin Ras, Xuelin Tian, Ville Jokinen 2016 Science Advances

Sub-micron scale patterning of fluorescent silver nanoclusters using low-power laser

Puskal Kunwar, Jukka Hassinen, Godofredo Bautista, Robin H A Ras, Juha Toivonen 2016 Scientific Reports

Holographic patterning of fluorescent microstructures comprising silver nanoclusters

Puskal Kunwar, Leo Turquet, Jukka Hassinen, Robin H A Ras, Juha Toivonen, Godofredo Bautista 2016 OPTICAL MATERIALS EXPRESS

Micropatterning of silver nanoclusters embedded in polyvinyl alcohol films

Nazanin Karimi, Puskal Kunwar, Jukka Hassinen, Robin H A Ras, Juha Toivonen 2016 Optics Letters

Sliding droplets on hydrophilic/superhydrophobic patterned surfaces for liquid deposition

Bo Chang, Quan Zhou, Robin H A Ras, Ali Shah, Zhigang Wu, Klas Hjort 2016 Applied Physics Letters

Capillary self-alignment of microchips on soft substrates

Bo Chang, Quan Zhou, Zhigang Wu, Zhenhua Liu, Robin H A Ras, Klas Hjort 2016 MICROMACHINES

N-Alkyl Ammonium Resorcinarene Salts as High-Affinity Tetravalent Chloride Receptors

N. Kodiah Beyeh, Fangfang Pan, Sandip Bhowmik, Toni Mäkelä, Robin H A Ras, Kari Rissanen 2016 CHEMISTRY: A EUROPEAN JOURNAL

N-Alkyl Ammonium Resorcinarene Chloride Receptors for Guest Binding in Aqueous Environment

Ngong Kodiah Beyeh, Fangfang Pan, Robin H A Ras 2016 Asian Journal of Organic Chemistry

Sensitive Humidity-Driven Reversible and Bidirectional Bending of Nanocellulose Thin Films as Bio-Inspired Actuation

Miao Wang, Xuelin Tian, Robin H. A. Ras, Olli Ikkala 2015 Advanced Materials Interfaces

From partial to complete optical erasure of azobenzene-polymer gratings

Jaana Vapaavuori, Robin H. A. Ras, Matti Kaivola, C. Geraldine Bazuin, Arri Priimagi 2015 Journal of Materials Chemistry C

Directional liquid gating by hydrophilic/hydrophobic janus membranes

Xuelin Tian, Hua Jin, Jani Sainio, Robin H A Ras, Olli Ikkala 2015 NSTI: Advanced Materials - TechConnect Briefs 2015

Fabrication of fluorescent silver nanoclusters-based micro-label in polymers

Puskal Kunwar, Jukka Hassinen, Godofredo Bautista, Robin H.A. Ras, Juha Toivonen 2015 Proceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015

Amplified and Localized Photoswitching of TiO2 by Micro- and Nanostructuring

Sasha Hoshian, Ville Jokinen, Klas Hjort, Robin H. A. Ras, Sami Franssila 2015 ACS Applied Materials and Interfaces

Key roles of carbon solubility in single-walled carbon nanotube nucleation and growth

Maoshuai He, Hakim Amara, Hua Jiang, Jukka Hassinen, Christophe Bichara, Robin H. A. Ras, Juha Lehtonen, Esko I. Kauppinen, Annick Loiseau 2015 Nanoscale

Rapid Cationization of Gold Nanoparticles by Two-Step Phase Transfer

Jukka Hassinen, Ville Liljeström, Mauri A. Kostiainen, Robin H. A. Ras 2015 Angewandte Chemie

Self-transport and self-alignment of microchips using microscopic rain

Bo Chang, Ali Shah, Quan Zhou, Robin H. A. Ras, Klas Hjort 2015 Scientific Reports

Paper-based plasmon-enhanced protein sensing by controlled nucleation of silver nanoparticles on cellulose

Lokanathan Arcot Raghupathi, Khan Mohammad Ahsan Uddin, Xi Chen, Wenchao Xiang, Xianming Kong, Leena S. Johansson, Robin H. A. Ras, Orlando Rojas Gaona 2015 Cellulose

Droplet and Fluid Gating by Biomimetic Janus Membranes

Xuelin Tian, Hua Jin, Jani Sainio, Robin H. A. Ras, Olli Ikkala 2014 Advanced Functional Materials

Light-Fuelled Transport of Large Dendrimers and Proteins

Jenni Koskela, Ville Liljeström, J. Lim, E. Simanek, Robin Ras, A. Priimägi, Mauri A. Kostiainen 2014 Journal of the American Chemical Society

Gold Nanoparticles: Calixarene Complexation in a Mixed Calixarene-Alkanethiol Monolayer

Petri Pulkkinen, J. Hassinen, R.H.A. Ras, Heikki Tenhu 2014 RSC Advances

Facile synthesis of biocompatible superparamagnetic mesoporous nanoparticles for imageable drug delivery

T. Nissinen, S. Näkki, M. Latikka, Markku Heinonen, T. Liimatainen, Wujun Xu, R.H.A. Ras, Olli Gröhn, J. Riikonen, V.-P. Lehto 2014 MICROPOROUS AND MESOPOROUS MATERIALS

Large-area arrays of three-dimensional plasmonic subwavelength-sized structures from azopolymer surface-relief gratings

R.J. Moerland, J.E. Koskela, A. Kravchenko, M. Simberg, Stefan Van Der Vegte, M. Kaivola, A. Priimagi, R.H.A. Ras 2014 Materials Horizons

HYDROPHOBIC COATING AND A METHOD FOR PRODUCING HYDROPHOBIC SURFACE

Antti Laukkanen, Jan-Erik Teirfolk, Olli Ikkala, Robin Ras, Henrikki Mertaniemi 2014

Direct Laser Writing of Photostable Fluorescent Silver Nanoclusters in Polymer Films

Puskal Kunwar, Jukka Hassinen, Godofredo Bautista, Robin H. A. Ras, Juha Toivonen 2014 ACS Nano

Overview of early publications on Atomic Layer Deposition

Jaan Aarik, Andrew R. Akbashev, David Cameron, Jeffrey Elam, Simon Elliott, Gloria Gottardi, Kestutis Grigoras, Yury Koshtyal, Marja-Leena Kääriäinen, Tommi Kääriäinen, Anatoly Malkov, Anatoly Malygin, Jyrki Molarius, Juha Nikkola, Henrik Pedersen, Riikka L. Puurunen, Robin H. A. Ras, Fred Roozeboom, Hele Savin, Thomas E. Seidel, Jonas Sundqvist, J.Ruud van Ommen, Oili M. E. Ylivaara 2014

Light-Driven Surface Patterning of Supramolecular Polymers with Extremely Low Concentration of Photoactive Molecules

Jenni E. Koskela, Jaana Vapaavuori, Robin H. A. Ras, Arri Priimagi 2014 ACS Macro Letters

Micro-writing under water droplet using photo-switchable titanium oxide on nanocellulose coated micro-hoodoos

Sasha Hoshian, Ville Jokinen, Klas Hjort, Robin H A Ras, Sami Franssila 2014 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2014

Mixed-Monolayer-Protected Au₂₅ Clusters with Bulky Calix[4]arene Functionalities

Jukka Hassinen, Petri Pulkkinen, Elina Kalenius, Thalappil Pradeep, Heikki Tenhu, Hannu Hakkinen, Robin H.A. Ras 2014 Journal of Physical Chemistry Letters

Simple and Efficient Separation of Atomically Precise Noble Metal Clusters

Atanu Ghosh, Jukka Hassinen, Petri Pulkkinen, Heikki Tenhu, Robin H. A. Ras, Thalappil Pradeep 2014 Analytical Chemistry

Ferromagnetic resonance in epsilon-Co magnetic composites

Khattiya Chalapat, Jaakko V. I. Timonen, Maija Huuppola, Lari Koponen, Christoffer Johans, Robin H. A. Ras, Olli Ikkala, Markku A. Oksanen, Eira Seppälä, G. S. Paraoanu 2014 Nanotechnology

Overview of early publications on Atomic Layer Deposition

Jaan Aarik, Andrew R. Akbashev, David Cameron, Jeffrey Elam, Simon Elliott, Gloria Gottardi, Kestutis Grigoras, Yury Koshtyal, Marja-Leena Kääriäinen, Tommi Kääriäinen, Anatoly Malkov, Anatoly Malygin, Jyrki Molarius, Juha Nikkola, Henrik Pedersen, Riikka L. Puurunen, Robin H. A. Ras, Fred Roozeboom, Hele Savin, Thomas E. Seidel, Jonas Sundqvist, J.Ruud van Ommen, Oili M. E. Ylivaara 2014 14th International Conference on Atomic Layer Deposition, Kyoto, Japan, June 15-18, 2014

On the Early History of ALD: Molecular Layering

Jaan Aarik, Andrew R. Akbashev, David Cameron, Jeffrey Elam, Simon Elliott, Gloria Gottardi, Kestutis Grigoras, Yury Koshtyal, Marja-Leena Kääriäinen, Tommi Kääriäinen, Anatoly Malkov, Anatoly Malygin, Jyrki Molarius, Juha Nikkola, Henrik Pedersen, Riikka L. Puurunen, Robin H. A. Ras, Fred Roozeboom, Hele Savin, Thomas E. Seidel, Jonas Sundqvist, J.Ruud van Ommen, Oili Ylivaara 2014 14th International Conference on Atomic Layer Deposition, Kyoto, Japan, June 15-18, 2014

Hollow polysiloxane nanostructures based on pressure-induced film expansion

Juuso T. Korhonen, Tommi Huhtamäki, Tuukka Verho, Robin H. A. Ras 2014 Surface Innovations

Free-Decay and Resonant Methods for Investigating the Fundamental Limit of Superhydrophobicity

Jaakko V.I. Timonen, Mika Latikka, Olli Ikkala, Robin H.A. Ras 2013 Nature Communications

Switchable Static and Dynamic Self-Assembly of Magnetic Droplets on Superhydrophobic Surfaces

Jaakko V. I. Timonen, Mika Latikka, Ludwik Leibler, Robin H.A. Ras, Olli Ikkala 2013 Science

Modifying Native Nanocellulose Aerogels with Carbon Nanotubes for Mechanoresponsive Conductivity and Pressure Sensing

Miao Wang, Ilya V. Anoshkin, Albert G. Nasibulin, Juuso T. Korhonen, Jani Seitsonen, Jaakko Pere, Esko I. Kauppinen, Robin H.A. Ras, Olli Ikkala 2013 Advanced Materials

Reliable measurement of the receding contact angle

Juuso T. Korhonen, Tommi Huhtamäki, Olli Ikkala, Robin H.A. Ras 2013 Langmuir

Ionically Interacting Nanoclay and Nanofibrillated Cellulose Lead to Tough Bulk Nanocomposites in Compression by Forced Self-Assembly

Hua Jin, Anyuan Cao, Enzheng Shi, Jani Seitsonen, Luhui Zhang, Robin H.A. Ras, Lars A. Berglund, Mikael Ankerfors, Andreas Walther, Olli Ikkala 2013 JOURNAL OF MATERIALS CHEMISTRY. B

On heterogeneity in fluorescent few-atom silver nanoclusters

I. Díez, R.H.A. Ras, M.I. Kanyuk, A. Demchenko 2013 Physical Chemistry Chemical Physics

Preservation of Superhydrophobic and Superoleophobic Properties upon Wear Damage

Hua Jin, Xuelin Tian, Olli Ikkala, Robin H.A. Ras 2013 ACS Applied Materials and Interfaces

Functionalized porous microparticles of nanofibrillated cellulose for biomimetic hierarchically structured superhydrophobic surfaces

Henrikki Mertaniemi, Antti Laukkanen, Jan-Erik Teirfolk, Olli Ikkala, Robin H.A. Ras 2012 RSC Advances

Force sensing using artificial magnetic cilia

Antti Virta, Jaakko V.I. Timonen, Robin H.A. Ras, Quan Zhou 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2012), Vilamoura, Algarve, Portugal, October 7-12, 2012

Reversible Switching between Superhydrophobic States on a Hierarchically Structured Surface

Tuukka Verho, Juuso T. Korhonen, Lauri Sainiemi, Ville Jokinen, Chris Bower, Kristian Franze, Sami Franssila, Piers Andrew, Olli Ikkala, Robin H.A. Ras 2012 Proceedings of the National Academy of Sciences of the United States of America

Rebounding droplet-droplet collisions on superhydrophobic surfaces: from the phenomenon to droplet logic

Henrikki Mertaniemi, Robert Forchheimer, Olli Ikkala, Robin H.A. Ras 2012 Advanced Materials

Surface-Relief Gratings and Stable Birefringence Inscribed Using Light of Broad Spectral Range in Supramolecular Polymer-Bisazobenzene Complexes

J.E. Koskela, J. Vapaavuori, Juho Hautala, A. Priimagi, Charl F.J. Faul, M. Kaivola, R.H.A. Ras 2012 Journal of Physical Chemistry C

Vapour-Driven Marangoni Propulsion: Continuous, Prolonged and Tunable Motion

Hua Jin, Abraham Marmur, Olli Ikkala, Robin H.A. Ras 2012 Chemical Science

Native cellulose nanofibers

Olli Ikkala, Andreas Walther, Robin Ras, Lars A. Bergland 2012 Abstracts of papers of the American Chemical Society

Blue, green and red emissive silver nanoclusters formed in organic solvents

Isabel Díez, Mykola I. Kanyuk, Alexander P. Demchenko, Andreas Walther, Hua Jiang, Olli Ikkala, Robin H.A. Ras 2012 Nanoscale

Mechanically Durable Superhydrophobic Surfaces

Tuukka Verho, Chris Bower, Piers Andrew, Sami Franssila, Olli Ikkala, Robin H.A. Ras 2011 Advanced Materials

Hydrophobic Nanocellulose Aerogels as Floating, Sustainable, Reusable, and Recyclable Oil Absorbents

Juuso T. Korhonen, Marjo Kettunen, Robin H.A. Ras, Olli Ikkala 2011 ACS Applied Materials and Interfaces

From Hot-Injection Synthesis to Heating-Up Synthesis of Cobalt Nanoparticles: Observation of Kinetically Controllable Nucleation

Jaakko V. I. Timonen, Eira T. Seppälä, Olli Ikkala, Robin H.A. Ras 2011 Angewandte Chemie

Superhydrophobic Tracks for Low-Friction, Guided Transport of Water Droplets

Henrikki Mertaniemi, Ville Jokinen, Lauri Sainiemi, Sami Franssila, Abraham Marmur, Olli Ikkala, Robin H.A. Ras 2011 Advanced Materials

The porous nano-fibers raft: analysis of load-carrying mechanism and capacity

A. Marmur, R.H.A. Ras 2011 Soft Matter

Inorganic Hollow Nanotube Aerogels by Atomic Layer Deposition onto Native Nanocellulose Templates

Juuso T. Korhonen, Panu Hiekkataipale, Jari Malm, Maarit Karppinen, Olli Ikkala, Robin H.A. Ras 2011 ACS Nano

Thermoelectric Properties of Al-Doped ZnO Thin Films Grown with ALD

T. Tynell, J.T. Korhonen, Robin H. A. Ras, Olli Ikkala, I. Terasaki, H. Yamauchi, M. Karppinen 2011

Photoswitchable Superabsorbency Based on Nanocellulose Aerogels

Marjo Kettunen, Riitta J. Silvennoinen, Nikolay Houbenov, Antti Nykänen, Janne Ruokolainen, Jani Sainio, Viljami Pore, Marianna Kemell, Mikael Ankerfors, Tom Lindström, Mikko Ritala, Robin H.A. Ras, Olli Ikkala 2011 Advanced Functional Materials

Superhydrophobic and Superoleophobic Nanocellulose Aerogel Membranes as Bioinspired Cargo Carriers on Water and Oil

Hua Jin, Marjo Kettunen, Ari Laiho, Hanna Pynnönen, Jouni Paltakari, Abraham Marmur, Olli Ikkala, Robin H.A. Ras 2011 Langmuir

Superhydrophobic and superoleophobic nanocellulose aerogel as bioinspired cargo carriers on water and oil

H. Jin, M. Kettunen, A. Laiho, H. Pynnonen, J. Paltakari, A. Marmur, O. Ikkala, R. H A Ras 2011 ICCM 2011 - The 18th International Conference on Composites Materials

LIQUID-REPELLENT MATERIAL

Hua Jin, Marjo Pääkkö, Olli Ikkala, Robin Ras 2011

Functionalization of Nanofibrillated Cellulose with Silver Nanoclusters: Fluorescence and Antibacterial Activity

Isabel Díez, Paula Eronen, Monika Österberg, Markus B. Linder, Olli Ikkala, Robin H.A. Ras 2011 MACROMOLECULAR BIOSCIENCE

Fluorescent silver nanoclusters

I. Díez, R.H.A. Ras 2011 Nanoscale

Capillary-driven self-assembly of microchips on oleophilic/oleophobic patterned surface using adhesive droplet in ambient air

Bo Chang, Veikko Sariola, Susanna Aura, Robin H.A. Ras, Maria Klonner, Harri Lipsanen, Quan Zhou 2011 Applied Physics Letters

Rheology of Silver Nanocluster Solutions under Confinement

S.I. Karakashev, N. Grozev, I. Díez, R.H.A. Ras, R. Tsekov 2011 Colloids and Surfaces A: Physicochemical and Engineering Aspects

Cobalt nanoparticle Langmuir-Schaefer films on ethylene glycol subphase

Elina Pohjalainen, Maija Pohjakallio, Christoffer Johans, Kyösti Kontturi, Jaakko V.I. Timonen, Olli Ikkala, Robin H.A. Ras, Tapani Viitala, Markku T. Heino, Eira T. Seppälä 2010 Langmuir

Magnetic Nanocomposites for Microwave Frequencies

Jaakko Timonen, Robin Ras, Olli Ikkala, Markku Oksanen, Eira Seppälä, Khattiya Chalapat, Jian Li, Gheorghe Sorin Paraoanu 2010 Trends in Nanophysics

Ferromagnetic Resonance in Single-Crystal and Single-Domain Cobalt Nanoparticles

Jaakko Timonen, Khattiya Chalapat, Matti Sarjala, Robin Ras, Gheorghe-Sorin Paraoanu, Eira Seppälä, Markku Oksanen, Mikko Alava, Olli Ikkala 2010

A Facile Template-Free Approach to Magnetodriven, Multifunctional Artificial Cilia

Jaakko V.I. Timonen, Christoffer Johans, Kyösti Kontturi, Andreas Walther, Olli Ikkala, Robin H.A. Ras 2010 ACS Applied Materials and Interfaces

Flexible and hierarchically porous nanocellulose aerogels

Marjo Pääkkö, Jaana Vapaavuori, Riitta Silvennoinen, Nikolay Houbenov, Robin H. A. Ras, Janne Ruokolainen, Mikko Ritala, Tom Lindström, Mikael Ankerfors, Lars Berglund, Olli Ikkala 2010 Abstracts of papers of the American Chemical Society

Self-erasing and rewritable wettability patterns on ZnO thin films

Ville Kekkonen, Antti Hakola, Timo Kajava, Elina Sahramo, Jari Malm, Maarit Karppinen, Robin H.A. Ras 2010 Applied Physics Letters

Photo-Controlled Wettability Switching by Conformal Coating of Nanoscale Topographies with Ultrathin Oxide Films

Jari Malm, Elina Sahramo, Maarit Karppinen, Robin H.A. Ras 2010 Chemistry of Materials

Low-temperature ALD of ZnO: film characteristics and applications

Jari Malm, Robin H. A. Ras, Maarit Karppinen 2010 Baltic ALD 2010 & GerALD 2 -konferenssi, Hampuri, Saksa 16.-17.9.2010

Few-Atom Silver Clusters as Fluorescent Reporters

Isabel Díez, Robin H.A. Ras 2010 Advanced Fluorescence Reporters in Chemistry and Biology II

Enhanced Emission of Silver Nanoclusters Through Quantitative Phase Transfer

Isabel Díez, Hua Jiang, Robin H.A. Ras 2010 ChemPhysChem

Controlled growth of silver nanoparticle arrays guided by a self-assembled polymer-peptide conjugate

Isabel Díez, Harald Hahn, Olli Ikkala, Hans G. Börner, Robin H.A. Ras 2010 Soft Matter

Color Tunability and Electrochemiluminescence of Silver Nanoclusters

Isabel Diez, Matti Pusa, Sakari Kulmala, Hua Jiang, Andreas Walther, Anja S. Goldmann, Axel H.E. Müller, Olli Ikkala, Robin H.A. Ras 2009 Angewandte Chemie

Solid state nanofibers based on self-assemblies: from cleaving from self-assemblies to multilevel hierarchical constructs

Olli Ikkala, Robin H.A. Ras, Nikolay Houbenov, Janne Ruokolainen, Marjo Pääkkö, Janne Laine, Markku Leskelä, Lars A. Berglund, Tom Lindström, Gerrit ten Brinke, Hermis Iatrou, Nikos Hadjichristidis, Charl F.J. Faul 2009 Faraday Discussions

Blocking the Lateral Film Growth at the Nanoscale in Area-Selective Atomic Layer Deposition

Robin H.A. Ras, Elina Sahramo, Jari Malm, Janne Raula, Maarit Karppinen 2008 Journal of the American Chemical Society

Tunable wettability of atomic layer deposited zinc oxide thin films on insect wings

Elina Sahramo, Jari Malm, Robin Ras, Maarit Karppinen 2008

Organic memory using [6,6]-phenyl-C-61 butyric acid methyl ester: morphology, thickness and concentration dependence studies

Jayanta K. Baral, Himadri S. Majumdar, Ari Laiho, Hua Jiang, Esko I. Kauppinen, Robin H A Ras, Janne Ruokolainen, Olli Ikkala, Ronald Österbacka 2008 Nanotechnology

Hydrophilic patterning of hydrophobic zinc-oxide films using UV excimer laser

Ville Kekkonen, Jari Malm, Elina Sahramo, Antti Hakola, Timo Kajava, Maarit Karppinen, Robin Ras 2008

Examining the nanoscale structure of active sites on clay surfaces

Cliff T. Johnston, Robin H. A. Ras, Brian J. Teppen, Stephen A. Boyd, Robert A. Schoonheydt 2008 Abstracts of papers of the American Chemical Society

Hollow inorganic nanospheres and nanotubes with tunable wall thicknesses by atomic layer deposition on self-assembled polymeric templates

Robin H.A. Ras, Marianna Kemell, Joost De Wit, Mikko Ritala, Gerrit ten Brinke, Markku Leskelä, Olli Ikkala 2007 Advanced Materials

Hollow nanoparticle nanotubes with a nanoscale brick wall structure of clay mineral platelets

Robin H.A. Ras, Teemu Ruotsalainen, Katri Laurikainen, Markus B. Linder, Olli Ikkala 2007 Chemical Communications

Relation between s-polarized and p-polarized internal reflection spectra: application for the spectral resolution of perpendicular vibrational modes.

Robin H.A. Ras, Robert A. Schoonheydt, Cliff T. Johnston 2007 Journal of Physical Chemistry A

Ultrathin hybrid films of clay minerals.

Robin H.A. Ras, Yasushi Umemura, Cliff T. Johnston, Akihiko Yamagishi, Robert A. Schoonheydt 2007 Physical Chemistry Chemical Physics

Control of Self-Assembly by Charge-Transfer Complexation between C60 Fullerene and Electron Donating Units of Block Copolymers.

Ari Laiho, Robin H.A. Ras, Sami Valkama, Janne Ruokolainen, Ronald Österbacka, Olli Ikkala 2006 Macromolecules

Contact information

Honors and awards

ERC Consolidator Grant

Academy of Finland Research Fellow

Anton Paar Research Award for Instrumental Analytics & Characterization

Publications