Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 20, Pages 10042-10047Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am402558a
Keywords
CZTSSe; kesterite; thin film; solar cells; solution process
Funding
- National Natural Science Foundation of China [21071142, 51172229, 51202241, 51302258]
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Homogeneous molecular precursor solutions are excellent choices for obtaining smooth absorber layers, and they offer the potential to significantly lower the manufacturing cost of solar cells. Here, we present a thermally degradable metal butyldithiocarbamate-based solution approach to fabricate Cu2ZnSn(S,Se)(4) solar cells. Low-cost Cu2O, ZnO, and SnO were used as the starting materials and were dissolved in the ethanol solution of butyldithiocarbamic acid. By tuning the composition of the Cu2ZnSn(S,Se)(4) thin film, a power conversion efficiency of 6.03% on the basis of the active area has been achieved.
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