Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Publication date: 7th November 2016
Building solar cells on a flexible plastic film is an important issue for roll to roll mass production and wearable devices. For this purpose, low temperature fabrication process of perovskite solar cells has been intensively studied.Although fullerene derivatives and ZnO, which can be prepared at low temperature, are often used as electron collectors of flexible solar cells, cheap and stable metal oxides are more desirable. Here, we have developed brookite TiO2 mesoporous layer prepared at oC as an electron collector. Although conventional anatase TiO2 requires an organic binder in the mesoscopic precursor paste, which is to be removed by sintering at ~500 oC, to ensure inter-particle necking and the adhesiveness of TiO2 nanoparticles on a conductive glass, the brookite TiO2 layer can be formed at oC low temperature from a binder-free slurry based on dehydration reaction of surface hydroxyl groups between nanoparticles. The mesoporous brookite layer with high hydrophilicity works as an effective scaffold for crystal growth of CH3NH3PbI3-xClx perovskite film with high coverage and large crystal size compared to anatase TiO2 and leads to hysteresis-less and higher photovoltaic performance. In combination with amorphous metal oxide hole-blocking layer, the brookite electron collector enables 18.9% power conversion efficiency for perovskite solar cells prepared at low temperature on ITO glass substrates. Furthermore, with amorphous tin oxide blocking layer, the flexible brookite-based perovskite solar cells formed on plastic films give efficiency up to 14% with hysteresis-less property. The flexible cells exhibited high mechanical stability against repeated bending with radius of 1.5 cm.
nanoGe is a prestigious brand of successful science conferences that are developed along the year in different areas of the world since 2009. Our worldwide conferences cover cutting-edge materials topics like perovskite solar cells, photovoltaics, optoelectronics, solar fuel conversion, surface science, catalysis and two-dimensional materials, among many others.
Previously nanoGe Spring Meeting (NSM) and nanoGe Fall Meeting (NFM), MATSUS is a multiple symposia conference focused on a broad set of topics of advanced materials preparation, their fundamental properties, and their applications, in fields such as renewable energy, photovoltaics, lighting, semiconductor quantum dots, 2-D materials synthesis, charge carriers dynamics, microscopy and spectroscopy semiconductors fundamentals, etc.
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.