Publication date: 16th July 2025
Taiwan, situated in the subtropical region, receives abundant sunlight, making it highly suitable for solar photovoltaic development. By 2023, Taiwan had installed over 12 GW of solar capacity. However, due to its limited land area and high population density, Taiwan faces significant challenges in further expanding its solar capacity. It is suggested to actively develop next-generation solar cell technologies, leveraging advanced technology to maximize land use efficiency and to increase the electricity output per unit of land area. These next-generation solar technologies include tandem photovoltaics, solar cells with high-capacity factors and photovoltaic technologies for emerging installation fields.
Perovskite solar cells (PSC), which use organic lead halide perovskite (PVSK) as the absorber layer, have made remarkable progress since 2009. Moreover, PVSK's tunable bandgap and high defect tolerance make it an ideal material for the aforementioned three emerging photovoltaic technologies for Taiwan's needs. However, PSCs still face several challenges, including stability, large-area conversion efficiency, and manufacturability. As noted, maintaining high efficiency at scale is one of the major challenges for PSC commercialization. High efficiency lab devices are usually realized on an active area of far less than 1 cm2. However, the materials, fabrication technologies or even device structure reported in those high-efficiency devices maybe not stable or not suitable to be used at large scale. Consequently, maintaining high efficiencies while achieving stability in large-area modules will be a core course for the practical use of PSC. Scaling up engineering is urgently required to accelerate commercial production of PSCs. Aiming for pushing PSC toward commercial applications, we have endeavored ourselves in developing various technologies/materials/processes with controllability and reproducibility. The journey on developing production technologies in our group will be presented. A milestone of perovskite solar module pilot line has been established in late 2022 in NTHU campus.
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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
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