Effect of ligand exchange of Cu2ZnSnS4 nanocrystals on the
charge transport and photovoltaic performance of
nanostructured depleted bulk heterojunction solar cell
Zhuo-Xi Zhang a,b, Zheng-Ji Zhou a,b *, Bing Bai a,b, Ming-Hua Liu a,b, Wen-Hui Zhou a,b,
Dong-Xing Kou a,b, Si-Xin Wu a,b *
a
Key Laboratory for Special Functional Materials of Ministry of Education, Henan University,
Kaifeng 475004, Henan Province, P R China
b
Collaborative Innovation Center of Nano Functional Materials and Applications, Henan
University,Kaifeng 475004, Henan Province, P R China
*
Corresponding author. E-mail: zzj@henu.edu.cn, wusixin@henu.edu.cn.
Fig. S1 Raman spectra of CZTS nanocrystals.
Fig. S2 (ahv)2 as a function of photon energy (hv) for CZTS nanocrystals.
Fig. S3 Size distribution of CTZS nanocrystals.
Fig. S4 Size distribution of ZnO nanorod.