[HTML][HTML] 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 …

Structural and vibrational properties of α-and π-SnS polymorphs for photovoltaic applications

M Guc, J Andrade-Arvizu, IY Ahmet, F Oliva, M Placidi… - Acta Materialia, 2020 - Elsevier
Tin sulphide (SnS) has attracted the attention of the photovoltaic (PV) community due to the
combination of desirable optical properties, and its binary and earth abundant elemental …

Rear band gap grading strategies on sn–ge-alloyed kesterite solar cells

J Andrade-Arvizu, R Fonoll-Rubio… - ACS Applied Energy …, 2020 - ACS Publications
Kesterite solar cells are at a crossroads, and a significant breakthrough in performance is
needed for this technology to stay relevant in the upcoming years. In this work, we propose …

Improving carrier-transport properties of CZTS by Mg incorporation with spray pyrolysis

S Lie, SW Leow, DM Bishop, M Guc… - … applied materials & …, 2019 - ACS Publications
High nonradiative recombination, low diffusion length and band tailing are often associated
with a large open circuit voltage deficit, which results in low efficiency of Cu2ZnSnS4 (CZTS) …

Sb2 (S1− xSex) 3 solar cells: the impact of radiative and non-radiative loss mechanisms

T Jiménez, D Seuret-Jiménez… - Journal of Physics D …, 2018 - iopscience.iop.org
Abstract The compound Sb 2 (S 1− x Se x) 3 has recently attracted a great deal of attention
from the scientific community for solar cell applications. However, Sb 2 (S 1− x Se x) 3 …

Chemistry and dynamics of Ge in kesterite: toward band-gap-graded absorbers

J Márquez, H Stange, CJ Hages, N Schaefer… - Chemistry of …, 2017 - ACS Publications
The selenization of metallic Cu–Zn–Sn–Ge precursors is a promising route for the
fabrication of low-cost and efficient kesterite thin-film solar cells. Nowadays, efficiencies of …

Enhanced carrier mobility and thermoelectric performance in Cu2FeSnSe4 diamond-like compound via manipulating the intrinsic lattice defects

Q Song, P Qiu, H Chen, K Zhao, M Guan, Y Zhou… - Materials Today …, 2018 - Elsevier
Diamond-like compounds represent a large family of new high-performance thermoelectric
(TE) materials that have been extensively studied since 2009. However, their carrier …

Band-gap tuning induced by germanium introduction in solution-processed kesterite thin films

G Tseberlidis, V Trifiletti, E Vitiello, AH Husien… - ACS …, 2022 - ACS Publications
In the last few decades, the attention of scientific community has been driven toward the
research on renewable energies. In particular, the photovoltaic (PV) thin-film technology has …

Spectroscopy and Theoretical Modeling of Phonon Vibration Modes and Band Gap Energy of Cu2ZnSn(SxSe1–x)4 Bulk Crystals and Thin Films

IS Babichuk, YA Romaniuk, S Golovynskyi… - ACS …, 2021 - ACS Publications
Semiconductor Cu2ZnSn (S x Se1–x) 4 (CZTSSe) solid solution is considered as a
perspective absorber material for solar cells. However, during its synthesis or deposition …

Structure and transport behavior of hydrothermally grown phase pure Cu2ZnSn1-xGexS4 (x= 0.0, 0.3) nanoparticles

FE Cancino-Gordillo, JV Cab, U Pal - Applied Surface Science, 2022 - Elsevier
Abstract Phase pure Cu 2 ZnSnS 4 (CZTS) and Cu 2 ZnSn 0.7 Ge 0.3 S 4 (CZTGS) kesterite
nanoparticles of 10–35 nm size range were fabricated through a low-temperature …