Emerging chalcogenide thin films for solar energy harvesting devices

S Hadke, M Huang, C Chen, YF Tay, S Chen… - Chemical …, 2021 - ACS Publications
Chalcogenide semiconductors offer excellent optoelectronic properties for their use in solar
cells, exemplified by the commercialization of Cu (In, Ga) Se2-and CdTe-based photovoltaic …

Growth and interlayer engineering of 2D layered semiconductors for future electronics

C Song, G Noh, TS Kim, M Kang, H Song, A Ham… - ACS …, 2020 - ACS Publications
Layered materials that do not form a covalent bond in a vertical direction can be prepared in
a few atoms to one atom thickness without dangling bonds. This distinctive characteristic of …

An antibonding valence band maximum enables defect-tolerant and stable GeSe photovoltaics

SC Liu, CM Dai, Y Min, Y Hou, AH Proppe… - Nature …, 2021 - nature.com
In lead–halide perovskites, antibonding states at the valence band maximum (VBM)—the
result of Pb 6 sI 5 p coupling—enable defect-tolerant properties; however, questions …

Adsorption behavior of metal oxides (CuO, NiO, Ag2O) modified GeSe monolayer towards dissolved gases (CO, CH4, C2H2, C2H4) in transformer oil

Y Gui, Z Liu, C Ji, L Xu, X Chen - Journal of Industrial and Engineering …, 2022 - Elsevier
In this study, the adsorption behavior of CuO-GeSe, NiO-GeSe, and Ag 2 O-GeSe towards
the main dissolved gases CO, CH 4, C 2 H 2, and C 2 H 4 in transformer oil was …

Pd and Pt decorated GeSe monolayers as promising materials for SOF2 and SO2F2 sensing

Y Wang, T Li, Y Peng, Y Gui, H Sun - Applied Surface Science, 2021 - Elsevier
In this paper, the structural and adsorption characteristics of metal-doped GeSe monolayers
are investigated on the basis of density functional theory. This study explored the changes in …

Understanding the electronic structure of Y 2 Ti 2 O 5 S 2 for green hydrogen production: a hybrid-DFT and GW study

K Brlec, CN Savory, DO Scanlon - Journal of Materials Chemistry A, 2023 - pubs.rsc.org
Utilising photocatalytic water splitting to produce green hydrogen is the key to reducing the
carbon footprint of this crucial chemical feedstock. In this study, density functional theory …

TiO2 and Ag2O Decorated GeTe monolayer as A Highly Sensitive Material for SF6 Decomposition Species Detection

H Qiao, X Zhang, J Qiu, P Wang, H Sun… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
The effective detection and maintenance of electrical equipment failures in circuit
maintenance is crucial in reducing public property losses. Therefore, the research and …

Composition Dependence of the Band Gaps of Semiconducting GeSxSe1–x van der Waals Alloys

E Sutter, HP Komsa, JS French, P Sutter - Chemistry of Materials, 2023 - ACS Publications
Alloying of two-dimensional (2D)/layered chalcogenide semiconductors by forming ternaries
with properties that span the range between the binary constituents allows tuning of the …

Nesting-like band gap in bismuth sulfide Bi 2 S 3

WM Linhart, SJ Zelewski, P Scharoch… - Journal of Materials …, 2021 - pubs.rsc.org
The van der Waals material Bi2S3 is a potential solar absorber, but its optoelectronic
properties are not fully explored and understood. Here, using theoretical calculations and …

Stacking Fault Induced Symmetry Breaking in van der Waals Nanowires

E Sutter, HP Komsa, AA Puretzky, RR Unocic… - ACS nano, 2022 - ACS Publications
While traditional ferroelectrics are based on polar crystals in bulk or thin film form, two-
dimensional and layered materials can support mechanisms for symmetry breaking between …