Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Publication date: 28th March 2016
Organometallic lead halide Perovskite material have become a popular semiconductor for an eclectic spectrum of applications including solar cells, LED, transistors etc. Its processing holds a history of wide variety of routes including, blading, spin coating, spray and vacuum. In the route of spin coating, one branch goes towards the use of anti-solvent (like Chlorobenzene, toluene, dichloromethane, ethyl ether etc.) during the deposition stage followed by thermal treatment of thin film. Multiple reports have shown brilliance of this process resulting in smooth films with pin hole free morphologies. High PV device performances have been reported through this process complimenting the need to study the details about the processing conditions. It is generally considered that dropping of anti-solvent nucleates perovskite and thermal annealing facilitates the crystal growth of perovskite. In my talk, I will reveal surprising results on the actual role of anti-solvent, with the impact of different substrates. Through in-situ spin coating and annealing under GIWAXS, we have captured this well-used process with the time scale of 0.4 seconds to make sure all the phases either stable or unstable can be sketched out. Results of GIWAXS were further confirmed through FTIR of as cast films and annealed films. This study has a potential to completely alter the way solution processing of perovskite, through anti-solvent, is understood today.
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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.