Studying the charge carrier properties in CuInS<sub>2</sub> films via femtosecond transient absorption and nanosecond transient photocurrents

Studying the charge carrier properties in CuInS₂ films via femtosecond transient absorption and nanosecond transient photocurrents

Tan Mingrui¹, Liu Qinghui¹, Sui Ning¹, Kang Zhihui¹, Zhang Liquan^{1, †}, Zhang Hanzhuang^{1, ‡}, Wang Wenquan¹, Zhou Qiang², Wang Yinghui¹

(a) The absorption spectrum of the CuInS₂ film. (b) The XRD patterns of the CuInS₂ thin films. Inset: SEM of the CuInS₂ film.