Output performance of planar perovskite solar cells at different conditions of indoor illumination
Tatiana Komaricheva a, Danila Saranin a, Lev Luchnikov a, Aldo Di Carlo b
a NUST MISIS, Laboratory of advanced solar energy, Moscow, Leninsky avenue 6, Moscow, Russian Federation
b CHOSE - Centre for Hybrid and Organic Solar Energy, University of Rome ‘‘Tor Vergata’’, Via del Politecnico, 1, Roma, Italy
Proceedings of Online Conference on Perovskites for Energy Harvesting: From Fundamentals to Devices (PERENHAR)
Online, Spain, 2020 November 19th - 20th
Organizers: Dinesh Kabra, Sandheep Ravishankar, Angshuman Nag and Priya Mahadevan
Poster, Tatiana Komaricheva, 069
Publication date: 2nd November 2020

Today perovskite materials are perspective for the photovoltaic industry due to the appropriate electrophysical properties such as the high mobility, absorption coefficient, long-range ambipolar charge transport, and the small nonradiative recombination rate [1-3]. P-i-n perovskite solar cells (PSC) demonstrate high-efficiency free-hysteresis output characteristics under low light, which indicates the possibility to apply PSC as an external power source for indoor gadgets, PPV and IoT devices [4].

Nowadays many scientific groups use CH3NH3PbI3 (MAPI) light-absorber for the fabrication of solar cells and research output parameters under low light [5-7]. However, one of the important aspects is the matching light sources radiation spectrum to the perovskite absorption spectrum.

In the work, we fabricated solar cells with multi-cation perovskite absorber for indoor application and showed the correlation between output maximum power of multi-cation PSC and the color temperature of LED sources (2700 K, 4000 K, 6500 K). The approach helps to upscale the active area of PSC from 0.14 cm2 to 1cm2 without power losses. The obtained devices showed the champion value of maximum power – 15.4 µW/cm2 and 31.2 µW/cm2 under 200 lx and 400 lx, respectively. The work represents light and dark output characteristics data.

The authors gratefully acknowledge the financial support from the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST «MISiS» (No K2-2019-13) and Innovation promotion foundation, "UMNIK" program.

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