Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)
Publication date: 21st February 2018
While high-temperature evaporation and sputtering are commonly used for forming metal oxide semiconductors, we will discuss our room-temperature solution approaches for forming various metal oxides. To demonstrate their good electron and hole transport properties, we will use them for all solution-processed organic solar cells (OSCs) which can favor the efficient transport of carriers between the photoactive layer and electrode, and high transparency. Transition metal oxides are promising materials for carrier transport layers because of their good electrical properties, stability, and optical transmission. We propose and demonstrate several low-temperature solution-processed approaches for forming transparent and efficient metal oxide-based carrier transport layers including electron and hole transport layers [1]. With the incorporation of metal nanoparticles [2], the electrical and optical properties can be enhanced. The interesting features of the novel carrier extraction layers are low temperature, solution process and water free for high-performance optoelectronics such as OSCs with power conversion efficiency (PCE) of 12.1% [1-3]. In addition, we have developed some room-temperature processed Ag nano-network which can serve as transparent flexible electrodes [4]. With the knowledge of solution processed organic and inorganic materials, we also propose different approaches for highly stable and efficient perovskite SCs [5] with no hysteresis and most recent PCE of 20.5%.
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[2] F.X.Xie, W.C.H.Choy, et al, Energy Environ. Sci., 6, 3372, 2013; D.Zhang, W.C.H.Choy, et.al. ACS Nano, 7, 1740, 2013;X.Ren, W.C.H.Choy, et.al, Small, 12, 5200,2016
[3] J.Cheng, W.C.H.Choy*, et.al. Adv Funct. Mater., 2018, DOI:10.1002/adfm.201706403
[4] H.Lu, W.C.H.Choy, et. al. Adv Funct. Mat., 25, 4211, 2015.
[5] F.X. Xie, W.C.H.Choy, et.al., ACS Nano, 9, 639, 2015; H.Zhang, W.C.H.Choy, et al. ACS Nano, 10, 1503, 2016; H.Zhu, W.C.H.Choy, et. al., ACS Nano, 10, 6808, 2016; J.Mao, W.C.H.Choy, et. al., Adv. Funct. Mat., DOI:10.1002/adfm.201606525.; H.Zhang, W.C.H.Choy,et.al, Adv.Mat. DOI:10.1002/adma.201604695.
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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.
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