Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Publication date: 7th November 2016
Organic-inorganic perovskite (PVK/ CH3NH3PbI3) type solar cells have attracted much attention due to its rapid improvement in the photo conversion efficiency. Recently, these kind of solar cells have achieved over 22% of photo conversion efficiency. However, most commonly employed organic hole transport materials (HTM) such as Spiro-OMeTAD increase the production cost and hinders the large scale industrial production of these type of solar cells. With the advent of further research, finding low cost alternatives to replace these expensive HTM is a major field of research. NiO was investigated as a low cost HTM, having a higher potential to replace expensive and popular spiro-OMeTAD. Herein we report, inverted PVK solar cell with the configuration of FTO glass/NiO/Perovskite/PC61BM/BCP/Ag. NiO was deposited on FTO glass by spray pyrolysis using nickel acetyl acetonate as a precursor solution. Perovskite layer was formed by one step deposition process by spin coating 1.8M solution of CH3NH3PbI3-DMF complex in DMSO. During the spin coating, toluene dripping was conducted inside a N2 filled glove box to get smooth PVK layer. The device possesses an appreciated power conversion efficiency (PCE) of 16.1% under simulated solar irradiation with fill factor (FF) of 0.76, short –circuit current density (Jsc) of 19.60 mA·cm-2, and open circuit voltage (Voc) of 1.08 V, which had been changed with the processing temperature at spray-pyrolysis deposition. We measured the NiO characteristics with the different processing temperatures (UV-Vis, EDX, XRD, XPS, XASF, and work function) for the further consideration.
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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.