Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Publication date: 28th March 2016
Hybrid halide perovskites are promising light harvesting materials in photovoltaics given that the conversion efficiencies of the solar cells have enormously increased in the last few years, up to certified 21%. In addition, the processes involved are low cost as they are solution processes at low temperature. Despite their benefits, there is an implicit necessity of employing suitable and optimized selective contacts in order to get high efficient devices.
In this work, we have modified the electron selective contact surface using a self-assembled monolayer (SAM) of fullerene derivative. We have synthesized several fullerene derivatives which contain a functional group that enables the anchor by chemisorption of these compounds to the electron selective contact. We have employed different structures of the electron selective contact, compact with nanostructured layer of TiO2 and just nanostructured layer, to evaluate the effect of SAM. The consequences of these surface modifications on the performance of perovskite solar cells and LEDs have been widely studied. The highlighted effect of the SAM is the hysteresis reduction and the enhancement of the current density in some cases.
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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.
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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.
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