2D heterostructures for ubiquitous electronics and optoelectronics: principles, opportunities, and challenges

PV Pham, SC Bodepudi, K Shehzad, Y Liu, Y Xu… - Chemical …, 2022 - ACS Publications
A grand family of two-dimensional (2D) materials and their heterostructures have been
discovered through the extensive experimental and theoretical efforts of chemists, material …

Emerging Versatile Two‐Dimensional MoSi2N4 Family

Y Yin, Q Gong, M Yi, W Guo - Advanced Functional Materials, 2023 - Wiley Online Library
The discovery of 2D layered MoSi2N4 and WSi2N4 without knowing their 3D parents by
chemical vapor deposition in 2020 has stimulated extensive studies of 2D MA2Z4 system …

Efficient Ohmic contacts and built-in atomic sublayer protection in MoSi2N4 and WSi2N4 monolayers

Q Wang, L Cao, SJ Liang, W Wu, G Wang… - npj 2D Materials and …, 2021 - nature.com
Metal contacts to two-dimensional (2D) semiconductors are often plagued by the strong
Fermi level pinning (FLP) effect which reduces the tunability of the Schottky barrier height …

Adsorption of gas molecules on intrinsic and defective MoSi2N4 monolayer: Gas sensing and functionalization

Z Cui, H Wu, K Yang, X Wang, Y Lv - Sensors and Actuators A: Physical, 2024 - Elsevier
The adsorption behaviors of CO, NH 3, NO, and NO 2 on intrinsic and defective MoSi 2 N 4
monolayer, and the electronic properties, magnetic and gas sensing properties are …

Correlation-driven topological and valley states in monolayer

S Li, Q Wang, C Zhang, P Guo, SA Yang - Physical Review B, 2021 - APS
Electronic correlations could have significant impact on the material properties. They are
typically pronounced for localized orbitals and enhanced in low-dimensional systems, so …

Cataloguing MoSi2N4 and WSi2N4 van der Waals Heterostructures: An Exceptional Material Platform for Excitonic Solar Cell Applications

CC Tho, C Yu, Q Tang, Q Wang, T Su… - Advanced Materials …, 2023 - Wiley Online Library
Abstract 2D materials van der Waals heterostructures (vdWHs) provide a revolutionary route
toward high‐performance solar energy conversion devices beyond the conventional silicon …

2D WSe2/MoSi2N4 type-II heterojunction with improved carrier separation and recombination for photocatalytic water splitting

Y Liu, Z Jiang, J Jia, J Robertson, Y Guo - Applied Surface Science, 2023 - Elsevier
The use of semiconductor photocatalysis for hydrogen production is an ideal approach for
achieving solar energy and conversion. In this work, we systematically examine the …

Strained MoSi2N4 Monolayers with Excellent Solar Energy Absorption and Carrier Transport Properties

C Jian, X Ma, J Zhang, X Yong - The Journal of Physical Chemistry …, 2021 - ACS Publications
The recently synthesized two-dimensional (2D) MoSi2N4 material with a proper band gap
and excellent environmental stability promises potential optoelectronic applications. On the …

Possible electronic state quasi-half-valley metal in a monolayer

SD Guo, YL Tao, HT Guo, ZY Zhao, B Wang, G Wang… - Physical Review B, 2023 - APS
One of the key problems in valleytronics is to realize valley polarization. Ferrovalley
semiconductors and half-valley metals (HVM) have been proposed, which possess intrinsic …

Magnetic properties of NbSi2N4, VSi2N4, and VSi2P4 monolayers

MRK Akanda, RK Lake - Applied Physics Letters, 2021 - pubs.aip.org
The recent demonstration of MoSi 2 N 4 and its exceptional stability to air, water, acid, and
heat has generated intense interest in this family of two-dimensional materials. Among these …