Publication
Molecular Strategies for Morphology Control in Semiconducting Polymers for Optoelectronics
Related publications (82)
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In this paper, some practical issues related to the manufacturing, and design criteria related to the application in devices of a hybrid silver grid/poly (3,4-ethylenedioxythiophene) semi-transparent electrode are discussed. The electrodes are fabricated b ...
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EPFL2019Electrochemically polymerized poly (3, 4-phenylenedioxythiophene) as efficient and transparent counter electrode for dye sensitized solar cells
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A new conducting polymer poly (3, 4-phenylenedioxythiophene) is synthesized by the electrochemical polymerization technique with different solvents. We find that solvents used in electrochemical polymerization play important roles for the catalytic activit ...
PERGAMON-ELSEVIER SCIENCE LTD2019Long-lived Photo-Charges in 1D Helical Organic Semiconductor Nanostructures
The formation of photoexcited states in organic semiconductors, their separation into long-lived or stable charge carriers, as well as the charge transport are critical processes relevant to several important research fields and emerging technologies. Whil ...
EPFL2018Molecular Engineering Strategies for Morphology Control in Organic Semiconductors for Optoelectronics
Muhammad Aiman Bin Rahmanudin Hamdan
It is understood that the optoelectronic performance of organic electronic devices is determinant on the macroscopic solid state self-assembly of organic semiconductors (OSC), which is driven by the supramolecular Ï-Ï stacking interactions between the co ...
EPFL2018Unusually Long-Lived Photocharges in Helical Organic Semiconductor Nanostructures
Jürgen Brugger, Andrzej Sienkiewicz, Holger Frauenrath, Valentin Flauraud, Jan Cornelius Brauer, Liangfei Tian, Thomas Schmaltz, Regina Judith Hafner
Photocharge generation and formation of long-lived charge carriers are relevant in photosynthesis, photocatalysis, photovoltaics, and organic electronics. A better understanding of the factors that determine these processes in synthetic polymer semiconduct ...
AMER CHEMICAL SOC2018Engineering of supramolecular self-assembly in solution-processed organic semiconductors
Organic semiconductors have recently emerged as a promising alternative to standard inorganic semiconductors for many commercial applications. Their ability to be processed from solution combined with their unique mechanical resistance paves the way for lo ...
EPFL2017Influence of Ionic Liquid Electrolytes on the Photovoltaic Performance of Dye-Sensitized Solar Cells
Shaik Mohammed Zakeeruddin, Jean-David Décoppet
New binary ionic liquid electrolytes based on 1-methyl-1-butylpyrrolidinium bis(trifluromethylsulfonyl)imide, 1-butylpyridinium bis(trifluromethylsulfonyl)imide, 1-methyl-3-ethylimidazolium bis(trifluromethylsulfonyl)imide, 1-methyl-3-ethylimidazolium tetr ...
Wiley-V C H Verlag Gmbh2017Molecularly Engineered Phthalocyanines as Hole-Transporting Materials in Perovskite Solar Cells Reaching Power Conversion Efficiency of 17.5%
Mohammad Khaja Nazeeruddin, Peng Gao, Giulia Grancini, Kyung Taek Cho, Cristina Roldán Carmona, Paul Gratia, Olga Trukhina
Easily accessible tetra-5-hexylthiophene-, tetra-5-hexyl-2,2'-bisthiophene-substituted zinc phthalocyanines (ZnPcs) and tetra-tert-Bu ZnPc are employed as hole-transporting materials in mixed-ion perovskite [HC(NH2)2]0.85(CH3NH3)0.15Pb(I0.8 ...
2017Donor-acceptor stacking arrangements in bulk and thin-film high-mobility conjugated polymers characterized using molecular modelling and MAS and surface-enhanced solid-state NMR spectroscopy
Conjugated polymers show promising properties as cheap, sustainable and solution-processable semiconductors. A key challenge in the development of these materials is to determine the polymer chain structure, conformation and packing in both the bulk polyme ...
2017