[8p-Z28-1~9] Development of the engineering for the diverse stable phases ~Objectives for the future environment, energy materials and devices

[8p-Z28-4] Characterization of the CZTGSe surface and heterointerface by UPS and IPES spectroscopy

〇Takehiko Nagai¹, Yusei Takagi², Kazuhiro Hirayama², Hitoshi Tampo¹, Hajime Shibata¹, Shigeru Niki¹, Norio Terada² (1.AIST, 2.Kagoshima Univ)

Keywords:photo electron spectroscopy, kesterite, photovoltaic

We report the relathionship between electronic structure of the CZTGSe surface and/or interface and VOC deficit by IPES, UPS, and XPS.