A Lightweight Flexible Solar Cell Based on a Heteroepitaxial InGaP/GaAs Structure

M. A. Putyato; N. A. Valisheva; M. O. Petrushkov; V. V. Preobrazhenskii; I. B. Chistokhin; B. R. Semyagin; E. A. Emel’yanov; A. V. Vasev; A. F. Skachkov; G. I. Yurko; I. I. Nesterenko

doi:10.1134/S106378421907020X

A Lightweight Flexible Solar Cell Based on a Heteroepitaxial InGaP/GaAs Structure

Authors: Putyato M.A.¹, Valisheva N.A.¹, Petrushkov M.O.¹, Preobrazhenskii V.V.¹, Chistokhin I.B.¹, Semyagin B.R.¹, Emel’yanov E.A.¹, Vasev A.V.¹, Skachkov A.F.², Yurko G.I.², Nesterenko I.I.²
Affiliations:
1. Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences
2. PAO Saturn
Issue: Vol 64, No 7 (2019)
Pages: 1010-1016
Section: Solid State Electronics
URL: https://journals.rcsi.science/1063-7842/article/view/203819
DOI: https://doi.org/10.1134/S106378421907020X
ID: 203819

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Abstract

Problems arising in fabrication of lightweight flexible solar cells based on heteroepitaxial A^IIIB^V structures with substrate etching are discussed. Possible solutions are proposed. A tandem lightweight flexible solar cell based on a heteroepitaxial InGaP/GaAs structure was fabricated. Its mass and dimensional characteristics were determined, and bending tests were performed. The specific mass of this solar cell was 0.51 kg/m², and the allowable bend radius was 36 mm. Its current–voltage curves were measured for the AM0 and AM1.5D spectra at 28.6°C and 25°C, respectively. The cell efficiency was found to be 23.1% and 28.3%.

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A Lightweight Flexible Solar Cell Based on a Heteroepitaxial InGaP/GaAs Structure

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