Proceedings of Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP23)
Publication date: 21st November 2022
Perovskite solar cells, which have organic/inorganic hybrid perovskite crystals in the photoactive layer, are attracting attention as next-generation solar cells because they do not require vacuum processes and can achieve photoelectric conversion efficiencies as high as 25.7% even though their solution process fabrication.
However, it is considered difficult to reproduce the I-V curve of perovskite solar cells because their electrical characteristics change depending on the exposure history (temperature, illumination, voltage, and light exposure time).
In some cases, metastable solar cells such as perovskite solar cells are difficult to be evaluated by IEC 60904-1, which is the current standard for solar cell evaluation, and reliability evaluation method based on international standards has not been established.
Saito et al. [1] have reported that excellent consistency existed between the steady-state maximum powers (Pmax) obtained by the Maximum power tracking (MPPT), steady-state (or stabilized) power output (SPO) and dynamic I-V measurements.
However, this consistency has not been proved between testing laboratories in the world. In this paper we present the results of a round-robin intercomparison between AIST / Japan, CSIRO / Australia, Fraunhofer ISE / Germany, JRC / EU, KISTEC / Japan and NCU / Taiwan for Pmax measurement of a perovskite solar cell. Pmax deviation to the weighted mean calculated for each laboratory was -1.3 – 7.5 % as shown in Fig. 1. Cause of the deviation was found to be degradation of the sample cell and difference in store time in the dark including shipping time.
This study was supported by New Energy Industrial Technology Development Organization (NEDO) and Ministry of Economy, Trade and Industry (METI) of Japan.
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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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