Electronic defects in : Towards a comprehensive model

C Spindler, F Babbe, MH Wolter, F Ehré… - Physical Review …, 2019 - APS
The electronic defects in any semiconductor play a decisive role for the usability of this
material in an optoelectronic device. Electronic defects determine the doping level as well as …

High-Throughput screening for thermoelectric semiconductors with desired conduction types by energy positions of band edges

Y Xiong, Y Jin, T Deng, K Mei, P Qiu, L Xi… - Journal of the …, 2022 - ACS Publications
The conduction type of semiconductors is vitally important in many fields (eg, photovoltaics,
transistors, and thermoelectrics), but so far, there is no effective and simple indicator to …

Hybrid-Functional Calculations on the Incorporation of Na and K Impurities into the CuInSe2 and CuIn5Se8 Solar-Cell Materials

E Ghorbani, J Kiss, H Mirhosseini… - The Journal of …, 2015 - ACS Publications
We have studied the energetics, atomic, and electronic structure of Na and K point defects,
as well as the (Na–Na),(K–K), and (Na–K) dumbbells in CuInSe2 and CuIn5Se8 solar cell …

Native point defects in CuIn 1− x Ga x Se 2: hybrid density functional calculations predict the origin of p-and n-type conductivity

J Bekaert, R Saniz, B Partoens… - Physical Chemistry …, 2014 - pubs.rsc.org
We have performed a first-principles study of the p-and n-type conductivity in CuIn1−
xGaxSe2 due to native point defects, based on the HSE06 hybrid functional. Band alignment …

Depth-resolved band gap in Cu (In, Ga)(S, Se) 2 thin films

M Bär, S Nishiwaki, L Weinhardt… - Applied Physics …, 2008 - pubs.aip.org
The surface composition of Cu (In, Ga)(S, Se) 2 (“CIGSSe”) thin films intrinsically deviates
from the corresponding bulk composition, which also modifies the electronic structure and …

N‐Type CuIn5Se8‐Based Thermoelectric Materials with All‐Scale Hierarchical Architectures

J Yuan, T Deng, P Qiu, Z Li, Z Zhou… - Advanced Functional …, 2024 - Wiley Online Library
Abstract Copper (Cu)‐based thermoelectric (TE) materials have attracted great attention
from both scientific and industrial societies, but for a long time, their real applications are …

Energy level alignment of absorber compounds with , , and Cd-free buffer materials

E Ghorbani, P Erhart, K Albe - Physical review materials, 2019 - APS
Motivated by environmental reasons, In 2 S 3 is a promising candidate for a Cd-free buffer
layer in Cu (In, Ga)(S, Se) 2 (CIGSSe)-based thin-film solar cells. For an impactful …

Theoretical Study on the Structure and Energetics of Cd Insertion and Cu Depletion of CuIn5Se8

J Kiss, T Gruhn, G Roma, C Felser - The Journal of Physical …, 2013 - ACS Publications
Due to its attractive optical, electrical, and chemical properties, the ternary CuInSe2 (CIS)
chalcopyrite-type semiconductor is widely employed as an absorber layer in thin-film …

Epitaxial Growth of 2D Ternary Copper–Indium–Selenide Nanoflakes for High‐Performance Near‐Infrared Photodetectors

H Gan, Q Hao, J Liu, P Li, D Qi, F Liu… - Advanced Optical …, 2022 - Wiley Online Library
Abstract 2D semiconductors are promising for future photodetectors because of their
dangling‐bond‐free surface, atomic thickness, tunable bandgap, high mobility, and flexible …

Defect structures in CuInSe: A combination of Monte Carlo simulations and density functional theory

CDR Ludwig, T Gruhn, C Felser, J Windeln - Physical Review B—Condensed …, 2011 - APS
Solar cells with CuInSe 2 absorbers are among the most promising thin-film technologies,
but the role of defects is not yet understood. Monte Carlo (MC) simulations based on density …