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Defect dependent electronic properties of two-dimensional transition metal dichalcogenides (2H, 1T, and 1T' phases).

Phys Chem Chem Phys
Hanedar BA, Onbaşlı MC.
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2D Transition Metal Dichalcogenides for Photocatalysis

Angewandte Chemie International Edition, 2023
AbstractTwo‐dimensional (2D) transition metal dichalcogenides (TMDs), a rising star in the post‐graphene era, are fundamentally and technologically intriguing for photocatalysis. Their extraordinary electronic, optical, and chemical properties endow them as promising materials for effectively harvesting light and catalyzing the redox reaction in ...
Ruijie Yang, Yingying Fan, Yuefeng Zhang, Liang Mei, Rongshu Zhu, Jiaqian Qin, Jinguang Hu, Zhangxing Chen, Yun Hau Ng, Damien Voiry, Shuang Li, Qingye Lu, Qian Wang, Jimmy C. Yu, Zhiyuan Zeng   +14 more
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Colloidal Nanostructures of Transition-Metal Dichalcogenides

Accounts of Chemical Research, 2021
ConspectusLayered transition-metal dichalcogenides (TMDs) are intriguing two-dimensional (2D) compounds where metal and chalcogen atoms are covalently bonded in each monolayer, and the monolayers are held together by weak van der Waals forces. Distinct from graphene, which is chemically inert, layered TMDs exhibit a wide range of electronic, optical ...
Yifan Sun, Mauricio Terrones, Raymond E. Schaak   +2 more
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Metal to semiconductor transition in metallic transition metal dichalcogenides

Journal of Applied Physics, 2013
We report on tuning the electronic and magnetic properties of metallic transition metal dichalcogenides (mTMDCs) by 2D to 1D size confinement. The stability of the mTMDC monolayers and nanoribbons is demonstrated by the larger binding energy compared to the experimentally available semiconducting TMDCs. The 2D MX2 (M = Nb, Ta; X = S, Se) monolayers are
Yan Li, Sefaattin Tongay, Qu Yue, Jun Kang, Junqiao Wu, Jingbo Li   +5 more
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Raman spectroscopy of transition metal dichalcogenides

Journal of Physics: Condensed Matter, 2016
Raman spectroscopy of transition metal dichalcogenides (TMDs) is reviewed based on our recent theoretical and experimental works. First, we discuss the semi-classical and quantum mechanical description for the polarization dependence of Raman spectra of TMDs in which the optical dipole transition matrix elements as a function of laser excitation energy
R, Saito, Y, Tatsumi, S, Huang, X, Ling, M S, Dresselhaus   +4 more
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Excited Biexcitons in Transition Metal Dichalcogenides

Nano Letters, 2015
The Stochastic Variational Method (SVM) is used to show that the effective mass model correctly estimates the binding energies of excitons and trions but fails to predict the experimental binding energy of the biexciton. Using high-accuracy variational calculations, it is demonstrated that the biexciton binding energy in transition metal ...
David K, Zhang, Daniel W, Kidd, Kálmán, Varga   +2 more
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Aging of Transition Metal Dichalcogenide Monolayers

ACS Nano, 2016
Two-dimensional sheets of transition metal dichalcogenides are an emerging class of atomically thin semiconductors that are considered to be "air-stable", similar to graphene. Here we report that, contrary to current understanding, chemical vapor deposited transition metal dichalcogenide monolayers exhibit poor long-term stability in air.
Jian, Gao, Baichang, Li, Jiawei, Tan, Phil, Chow, Toh-Ming, Lu, Nikhil, Koratkar   +5 more
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Phase engineering of transition metal dichalcogenides

Chemical Society Reviews, 2015
The co-existence of 2H, 1T and 1T′ phases in monolayered TMDs.
Damien, Voiry, Aditya, Mohite, Manish, Chhowalla   +2 more
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Transition Metal Dichalcogenides

1977
Since the early 60’s a group of materials called the transition metal dichalcogenides have received a rapidly growing interest. Of the sixty compounds of this family, about two-thirds assume layer structures. These TCh2 compounds (Ch = S, Se or Te) form a structurally and chemically well-defined family.
R. M. A. Lieth, J. C. J. M. Terhell
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Flexoelectricity in Monolayer Transition Metal Dichalcogenides

The Journal of Physical Chemistry Letters, 2018
Flexoelectricity, the coupling effect of the strain gradient and charge polarization, is an important route to tune electronic properties of low-dimensional materials. Here our extensive first-principles calculations reveal that structural wrinkling and corrugation will cause significant flexoelectricity in transition metal dichalcogenide (TMD ...
Wenhao Shi, Yufeng Guo, Zhuhua Zhang, Wanlin Guo   +3 more
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