Cu2ZnSn(S,Se)4 and Related Materials

  • Sukgeun ChoiEmail author
Part of the Springer Series in Optical Sciences book series (SSOS, volume 212)


Cu2ZnSn(S,Se)4 and related multinary compounds in the kesterite crystal structure are considered promising light-absorbing materials for thin-film photovoltaic (PV) device technology because of their earth abundance, desired opto-electronic properties, and non-toxic nature of constituent elements. In the past few years, spectroscopic ellipsometry (SE) has been applied to characterize the optical functions and related physical properties of this new class of PV absorber materials. This chapter presents SE-determined optical function spectra of Cu2ZnSn(S,Se)4 and related compounds and discusses associated scientific and technical issues. Detailed information on the measurement strategies is also provided, so that interested readers can adopt the same methods for their own studies.



The author acknowledges Jian Li (Univ. of Toledo) for his critical contributions to the development of the pseudobulk method and Ingrid Repins (NREL) for valuable discussions on kesterite solar cell technology as well as providing Cu2ZnSnSe4, Cu2ZnGeSe4, and Cu2SnSe3 thin film samples. Suhuai Wei (Beijing Computation Science Research Center, China) is acknowledged for discussions on the electronic structure of kesterite-phase compounds. Figure 12.1 was prepared by Ji-Sang Park (Imperial College London, UK) and the energy band structure of Cu2ZnSnSe4 shown in Fig. 12.3 was provided by Hanyue Zhao and Clas Persson (Univ. of Oslo, Norway). The author thanks David Aspnes (North Carolina State Univ.) for helpful discussions on surface preparations and Lynn Gedvilas (Colorado School of Mines) for technical editing.


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Electrical and Computer EngineeringUniversity of CaliforniaSanta BarbaraUSA

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