Proceedings of International Conference on Perovskite and Organic Photovoltaics and Optoelectronics (IPEROP19)
Publication date: 23rd October 2018
Perovskite solar cells (PSCs) have been expected to be one of the next-generation solar cells because of high power conversion efficiency and low manufacturing cost. Recently, their power conversion efficiencies became to exceed 20%, and low cost printing processes applicable to their manufacturing preparation tend to accelerate the possibilities of practical use. Despite these circumstances, the reliability assessments based on the international standards for their performance evaluation have not been established, and therefore their commercialization has not been discussed in comparing with the normalized data given by the evaluation organizations in the world.
Since PSCs show slow current response to applied voltage and performance change with time, it is difficult to determine the performance by the conventional I-V measurement procedure. In this paper, we have tried to apply the maximum power point tracking (MPPT) method to determine the maximum power of PSCs. We have found that determination of the maximum power of PSCs was strongly influenced by S/N ratio and measurement parameters, for example integration time and delay time, and found optimal parameters.
This work was supported by the New Energy and Industorial Technology Development Organization (NEDO) of Japan.
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