Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics 2018 (AP-HOPV18)
DOI: https://doi.org/10.29363/nanoge.ap-hopv.2018.008
Publication date: 27th October 2017
In recent years, perovskite solar cell (PSC) has undergone unprecedented development with efficiency approaching silicon solar cells. The efficiency record of PSC has reached 22.1% with cell size of 0.01 cm2 and the efficiency ca 20% has also been achieve for the cell size > 1cm2. The future challenge is to fabricate large-area perovskite modules and the key issue is to develop new deposition methods suitable for fabricating large-area perovskite films with low defects density.
Here, I will introduce our achievements in this field. A soft-cover deposition method was proposed and was proved to be effective for the fabrication of large-area and uniform perovskite films with large grains. A perovskite film with an area of 51cm2 was successfully obtained and was testified to be uniform with optical measurements. The perovskite solar cells (1 cm2) based on this method achieved an efficiency of 17.6% with high reproducibility which was the highest record for non-spin-coating methods at that time. More importantly, we recently synthesized a new non-solvent perovskite precursor and modified the soft-cover method by loading pressure before peeling off the polyimide film to control the thickness of films. The combination of this new precursor and deposition method led to the successful fabrication of perovskite module with aperture area of 6 x 6 cm2, a certified efficiency of 12.1% was obtained, which was the first perovskite module efficiency record.
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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.
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