Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Publication date: 7th November 2016
Inorganic-organic hybrid perovskite solar cells (PSCs) have shown dramatic achievements in certified power conversion efficiency (PCE) surpassing 20% in the last four years. However, there remains significant concern on the stability of the PSCs in environmental conditions that must be addressed prior to commercialisation, albeit the meteoric rise of the photovoltaic performance. We demonstrate thermal stability of the perovskite solar cells with high efficiency using copper thiocyanate (CuSCN) as an inorganic hole conductor, which possesses highly stable crystalline structure and robustness even at high temperature (200 °C). The efficient charge separation from perovskite layer into CuSCN has been evidenced by steady-state and time-resolved photoluminescence (PL) measurements with time-correlated single photon counting (TCSPC). The perovskite solar cells with the CuSCN exhibit a maximum 18.0% efficiency comparable to spiro-OMeTAD-based perovskite solar cells (18.4%). The PSCs fabricated with spiro-OMeTAD dropped to 25% of initial PCE after annealing for 2 h at 125 °C in ambient conditions. However, CuSCN-based PSCs were found to retain approximately 60% of initial value, indicating superior thermal stability to spiro-OMeTAD-based PSCs under identical testing conditions. This work demonstrates that high efficiency and improved thermal stability are simultaneously achieved from CuSCN used as an inorganic hole conductor in PSCs.
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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.