An 8.2% efficient solution-processed CuInSe2 solar cell based on multiphase CuInSe2 nanoparticles
Energy & Environmental Science2012Vol. 5(6), pp. 7539–7539
Citations Over TimeTop 1% of 2012 papers
Sunho Jeong, Byung Seok Lee, SeJin Ahn, Kyunghoon Yoon, Yeong-Hui Seo, Youngmin Choi, Beyong-Hwan Ryu
Abstract
Multiphase CuInSe2 (CISe) nanoparticles including the CuSe phase are synthesized by the microwave-assisted solvothermal method. Without additional processing, multiphase CISe nanoparticles facilitate the solution-processed CISe absorber layer with a dense microstructure, large grains, high crystallinity, and composition controllability, which are essential for acceptable thin-film solar cell performance. The high performance, solution-processed CISe solar cell, with a conversion efficiency of 8.2%, is obtained through phase transformation, microstructural evolution, and composition adjustment by selenization (annealing under a Se atmosphere) at 530 °C.
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