Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)
Publication date: 21st February 2018
In recent years, significant progress in organic semiconducting materials development and device engineering has boosted the power conversion efficiency of organic photovoltaic (OPV) devices up to the commercialization threshold. However, the bulk-heterojunction active layer film forming process for high performance organic solar cells mostly achieved by halogenated solvents such as chloroform, chlorobenzene, or o-dichlorobenzene, which is harmful to health and environment. Hence, it is mandatory to develop environmental friendly solvent processing technology for greener, cheaper and large area OPV device fabrication. Recently, we have reported new molecular materials (BQR) with OPV device efficiency of 9.4% using halogenated solvent (chloroform) along with fullerene acceptor. Here, we have studied the performance of BQR with various halogen-free solvents (toluene, xylene, mesitylene etc.,) and the OPV device processed with toluene exhibits the best device performance of 10.8% with a high fill factor of 77%. The halogen-free solvent improves active layer film formation and nanoscale morphology comparing to the halogenated solvent. We have also explored the device performance and characterisation with various anode interlayers including metal oxides, towards the fabrication efficient and air-stable devices.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.