Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 10, Issue 6, Pages 5455-5463Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b14929
Keywords
Cu2ZnSnS4 thin films; spray pyrolysis; Ag incorporation; structural modification; photovoltaic properties
Funding
- MEXT, Japan
- JSPS KAKENHI [JP15H00875]
- JSPS KAKENHI from MEXT Japan [JP15H03850]
- Matching Planner program from JST Japan
- Grants-in-Aid for Scientific Research [15H03850] Funding Source: KAKEN
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A silver (Ag)-incorporated kesterite Cu2ZnSnS4 (CZTS) thin film was fabricated by a facile spray pyrolysis method. Crystallographic analyses indicated successful. incorporation,of various-amounts of Ag up to a Ag/(Ag + Cu) ratio of ca. 0.1 into the crystal lattice of CZTS in a homogeneous manner without formation of other impurity compounds. From the = results-,of morphological investigations,, Agincorporated films- had larger crystal grains than the CZTS film. The sample with a relatively low Ag content (Ag/(Ag + CO of ca:. 0.02) had a:= compact morphology Without: appreciable voids and pinholes. However, an increase In the Ag content in the CZTS film
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