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3.88% Efficient Tin Sulfide Solar Cells using Congruent Thermal Evaporation
Author(s) -
Steinmann Vera,
Jaramillo R.,
Hartman Katy,
Chakraborty Rupak,
Brandt Riley E.,
Poindexter Jeremy R.,
Lee Yun Seog,
Sun Leizhi,
Polizzotti Alexander,
Park Helen Hejin,
Gordon Roy G.,
Buonassisi Tonio
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201402219
Subject(s) - materials science , photovoltaic system , cadmium sulfide , cadmium telluride photovoltaics , tin , solar cell , energy conversion efficiency , sulfide , evaporation , thin film , heterojunction , optoelectronics , engineering physics , nanotechnology , metallurgy , electrical engineering , engineering , physics , thermodynamics
Tin sulfide (SnS), as a promising absorber material in thin‐film photovoltaic devices, is described. Here, it is confirmed that SnS evaporates congruently, which provides facile composition control akin to cadmium telluride. A SnS heterojunction solar cell is demons trated, which has a power conversion efficiency of 3.88% (certified), and an empirical loss analysis is presented to guide further performance improvements.