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The University of Electro-Communications 
Graduate School of Informatics and Engineering, School of Informatics and Engineering 
Department of Engineering Science, Cluster III (Fundamental Science and Engineering) 

顔写真 Assistant Professor 
Varun VOHRA 

Year of birth:1984  
Tel.042-443-5359  
 
Personal website  
Personal website  

Academic degrees
DEUG equivalent in Materials Science Possibility to pass the exam for prestigious engineering schools in France  Chaptal (Classe Préparatoire aux Grandes Ecoles)  2003/06/27 
Engineering Diploma in Materials Science (Polymer speciality)  European School of Chemistry, Polymers and Materials  2006/09/15 
Master's Degree in Materials Science  Louis Pasteur University  2006/09/22 
PhD in Materials Science  Milano-Bicocca University  2009/12/17 

Current research areas
Device related chemistry 
Composite materials/Surface and interface engineering 
Structural/Functional materials 
Material processing/Microstructural control engineering 

Current research subjects
Multi-level self-assembled systems  2006/11/01-2009/12/17  Zeolite L based organic/inorganic hybrid system to enhance the PL properties of organic dye molecules. 
electro-spinning  2006/11/01-Present  Process to produce various types of functional polymeric nanofibers. white-light emitting nanofibers, electro luminescent nanofibers. 
Polymer-Polymer self-assembly  2006/11/01-Present  Breath Figures Array (BFA) Electrospun self-assembled nanofibers Formation of nanostructures through polymer-polymer self-assembly (phase separation) 
organic light emitting devices  2007/09/01-Present  Development of new and innovative types of light-emitting devices based on conjugated polymer materials. Integration of conjugated polymer nanofibers into device architecture. 
Organic Solar Cells  2010/05/15-Present  Formation of donor-acceptor concentration gradients in active layers. New materials for OPV New Device architectures Molecular orientation and morphology of the active layer 

Published books
Book  Interface Engineering: A Key Aspect for the Potential Commercialization of Printable Organic Photovoltaic Cells  Varun VOHRA, Nur Tahirah Razali, Hideyuki Murata  Wiley-Scrivener  2017/05 
Book  Systematic study of organic solar cells cross-section by EDS to correlate donor-acceptor vertical concentration gradients and device performances  Varun VOHRA Nur Tahirah Razali Hideyuki Murata  One Central Press  2017/01  978-1-910086-19-3 
Book  Chemical Science of π-Electron Systems  Varun Vohra, Koichi Higashimine, Keisuke Ohdaira, Shogo Tsuzaki, Hideyuki Murata  Springer  2015  978-4-431-55356-4 
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Published papers
Paper  Yes  Can Polymer Solar Cells Open the Path to Sustainable and Efficient Photovoltaic Windows Fabrication?  Vohra Varun  The Chemical Record  10.1002/tcr.201800072  2018/09/24  10.1002/tcr.201800072 
Paper  Yes  Effect of Spraying Parameters on the Morphology of Spray-Coated Active Layers for Organic Solar Cells  Nur Tahirah Razali, Khairunisa Kamarudin, Shusei Inaba, Mahshuri Yusof, Yeng Weng Leong, Varun Vohra  International Journal of Engineering & Technology  7, 75-78  2018/08/03 
Paper  Yes  Nanostructured light-emitting polymer thin films and devices fabricated by the environment-friendly push-coating technique  Varun Vohra Francesco Galeotti Umberto Giovanella Wojciech Mroz Mariacecilia Pasini Chiara Botta  ACS Applied Materials & Interfaces  10, 11794-11800  2018/03/16 
Paper  Yes  Strongly Iridescent Hybrid Photonic Sensors Based on Self-Assembled Nanoparticles for Hazardous Solvent Detection  Ayaka Sato Yuya Ikeda Koichi Yamaguchi Varun Vohra  Nanomaterials  8, 169-  2018/03/16 
Paper  Yes  Water-Processable Amphiphilic Low Band Gap Block Copolymer:Fullerene Blend Nanoparticles as Alternative Sustainable Approach for Organic Solar Cells  S. Zappia, G. Scavia, A. M. Ferretti, U. Giovanella, V. Vohra, S. Destri  Advanced Sustainable Systems  2, 1700155-  2018/02/02 
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Research presentations
Oral presentation for an academic conference  Innovative solutions for low-cost and sustainable fabrication of semi-transparent polymer solar cells  World Congress on Materials Research and Technology  2  Yes  VOHRA Varun  2018/10/23 
Oral presentation for an academic conference  プッシュコート法による環境に配慮した低コスト有機太陽電池の作製  The 79th JSAP Autumn Meeting 2018  21p/ 432  Yes  Shusei Inaba, Varun Vohra  2018/09/21 
Oral presentation for an academic conference  Improving sensing and optoelectronic technologies using bio-inspired polymer nano- and micro-structures  EMN Meeting  A12  Yes  Varun Vohra  2018/08/07 
Oral presentation for an academic conference  Recent advances in polymer solar cells fabrication using green processes  CCMR2018  Polymer Materials  Yes  Varun Vohra  2018/06/27 
Oral presentation for an academic conference  Low-cost fabrication of polymer electronic devices employing the eco-friendly push-coating process  ISOME2018  O4/ 7  Yes  Varun Vohra Shusei Inaba Francesco Galeotti Umberto Giovanella  2018/05/31 
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Awards
UEC学生表彰候補者  2018 
卒業論文優秀発表賞(学生)  ハイブリッドフォトニック結晶を使用する有機溶媒のセンサーの作製  2018/02/14 
NENCS Poster Award (Student)  Multilayer Active Layer Polymer Solar Cells with Enhanced Charge Collection and Power Conversion Efficiencies  2017/10/30 
Renewable Transformation Challenge award (Top 10 entries)  Eco-friendly Low-cost Energy Devices for Everyone  2017/08 
ICOE2017 Poster Award  Push-coating: a low-cost and green fabrication approach to polymer electronic devices  2017/06/06 
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