Defect engineering in multinary earth‐abundant chalcogenide photovoltaic materials

D Shin, B Saparov, DB Mitzi - Advanced Energy Materials, 2017 - Wiley Online Library
Application of zinc‐blende‐related chalcogenide absorbers such as CdTe and Cu (In, Ga)
Se2 (CIGSe) has enabled remarkable advancement in laboratory‐and commercial‐scale …

Classification of Lattice Defects in the Kesterite Cu2ZnSnS4 and Cu2ZnSnSe4 Earth‐Abundant Solar Cell Absorbers

S Chen, A Walsh, XG Gong, SH Wei - Advanced materials, 2013 - Wiley Online Library
The kesterite‐structured semiconductors Cu2ZnSnS4 and Cu2ZnSnSe4 are drawing
considerable attention recently as the active layers in earth‐abundant low‐cost thin‐film …

Thermodynamic oxidation and reduction potentials of photocatalytic semiconductors in aqueous solution

S Chen, LW Wang - Chemistry of Materials, 2012 - ACS Publications
An approach is introduced to calculate the thermodynamic oxidation and reduction
potentials of semiconductors in aqueous solution. By combining a newly developed ab initio …

Point defects, compositional fluctuations, and secondary phases in non-stoichiometric kesterites

S Schorr, G Gurieva, M Guc… - Journal of Physics …, 2019 - iopscience.iop.org
The efficiency of kesterite-based solar cells is limited by various non-ideal recombination
paths, amongst others by a high density of defect states and by the presence of binary or …

Status of materials and device modelling for kesterite solar cells

SN Hood, A Walsh, C Persson… - Journal of Physics …, 2019 - iopscience.iop.org
Kesterite semiconductors, derived from the mineral Cu 2 (Zn, Fe) SnS 4, adopt
superstructures of the zincblende archetype. This family of semiconductors is chemically …

Earth Abundant Element Cu2Zn(Sn1−xGex)S4 Nanocrystals for Tunable Band Gap Solar Cells: 6.8% Efficient Device Fabrication

GM Ford, Q Guo, R Agrawal… - Chemistry of …, 2011 - ACS Publications
Cu2Zn (Sn1− x Ge x) S4 nanocrystals have been synthesized via batch reaction in
oleylamine with no additional surfactants present. The nanocrystals are knife-coated on …

Growing crystals and studying structure and electronic properties of Cu2ZnGe (SхSe1-x) 4 compositions

IV Bodnar, VV Khoroshko, VA Yashchuk, VF Gremenok… - Heliyon, 2023 - cell.com
Abstract Single crystals of Cu 2 ZnGeSe 4 and Cu 2 ZnGeS 4 solid solutions were
developed and successfully obtained using the chemical vapor transfer method, with iodine …

CuZn(Sn,Ge)Se and CuZn(Sn,Si)Se alloys as photovoltaic materials: Structural and electronic properties

Q Shu, JH Yang, S Chen, B Huang, H Xiang… - Physical Review B …, 2013 - APS
As alternatives to the mixed-anion Cu 2 ZnSn (S, Se) 4 alloys, the mixed-cation Cu 2 Zn (Sn,
Ge) Se 4 and Cu 2 Zn (Sn, Si) Se 4 alloys can also span a band gap range that fits the …

CZTSSe solar cell efficiency improvement using a new band-gap grading model in absorber layer

S Mohammadnejad, A Baghban Parashkouh - Applied Physics A, 2017 - Springer
Earth abundant copper–zinc–tin–chalcogenide is an attractive class of materials for the
fabrication of high efficiency, low cost, and sustainable thin-film solar cells. A CZTSSe solar …

Wide band-gap tuning Cu2ZnSn1− xGexS4 single crystals: optical and vibrational properties

E Garcia-Llamas, JM Merino, R Serna… - Solar Energy Materials …, 2016 - Elsevier
The linear optical properties of Cu 2 ZnSn 1− x Ge x S 4 high quality single crystals with a
wide range of Ge contents (x= 0.1, 0.3, 0.5, 0.7, 0.9 and 1) have been investigated in the …