Real-Space Observation of an In Situ-Built Schottky Junction in a  Two-Dimensional MXene Layer

Nag, Riya; Bhakuni, Pramod; Bera, Abhijit

doi:10.1021/acsaelm.3c00392

Cited by 4 publications

(1 citation statement)

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“…Pristine Ti 3 C 2 MXene is a perfect 2D semimetal to create a Schottky heterojunction with semiconductors [23][24][25][26]. A new family of 2D materials created by removing the intermediate element from the MAX phases (M n+1 AX n ) have piqued the interest of researchers due to their outstanding electrical conductivity and rich surface properties [27][28][29].…”

Section: Introductionmentioning

confidence: 99%

Atomically thin MXene/WSe₂ Schottky heterojunction towards enhanced photogenerated charge carrier

Nag,

Saha,

Layek

et al. 2024

J. Phys.: Condens. Matter

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Two-dimensional materials garner increasing interest in next-generation electronics and optoelectronic devices due to their atomic-thin nature and distinctive physical properties. Building on these advances, we present the successful synthesis of a heterostructure composed of the semi-metallic Ti3C2-MXene and the semiconducting WSe2, in which the atomic layers are vertically aligned. The wet impregnation method effectively synthesizes an atomically thin Ti3C2-MXene/WSe2 heterostructure characterized by AFM, Raman and TRPL analysis. In addition, the current-voltage characteristics at the heterostructure reveal the Schottky junction probed by the scanning tunneling microscopy and the conductive atomic force microscopy tip. The Schottky heterojunction also exhibits enhanced photocatalytic properties by improving the photogenerated charge carriers and inhibiting recombination. This work demonstrates the unique 2D-2D Ti3C2-MXene/WSe2 vertical heterojunction possesses superior photon trapping ability and can efficiently transport photogenerated charge carriers to the reaction sites to enhance photocatalysis performance.

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Section: Introductionmentioning

confidence: 99%

Atomically thin MXene/WSe₂ Schottky heterojunction towards enhanced photogenerated charge carrier

Nag,

Saha,

Layek

et al. 2024

J. Phys.: Condens. Matter

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Novel two-dimensional Ti3C2Tx MXene-supported Ni-M (M = Pd, Pt, Ru): A remarkable catalyst for efficient HDO of guaiacol under hydrothermal conditions: Performance, mechanism and kinetic studies

Wang,

Wang

et al. 2024

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Atomic-scale investigations of Ti3C2T MXene surfaces

White,

Chu,

Gani

et al. 2024

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Real-Space Observation of an In Situ-Built Schottky Junction in a Two-Dimensional MXene Layer

Cited by 4 publications

References 70 publications

Atomically thin MXene/WSe₂ Schottky heterojunction towards enhanced photogenerated charge carrier

Atomically thin MXene/WSe₂ Schottky heterojunction towards enhanced photogenerated charge carrier

Novel two-dimensional Ti3C2Tx MXene-supported Ni-M (M = Pd, Pt, Ru): A remarkable catalyst for efficient HDO of guaiacol under hydrothermal conditions: Performance, mechanism and kinetic studies

Atomic-scale investigations of Ti3C2T MXene surfaces

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Real-Space Observation of an In Situ-Built Schottky Junction in a Two-Dimensional MXene Layer

Cited by 4 publications

References 70 publications

Atomically thin MXene/WSe2 Schottky heterojunction towards enhanced photogenerated charge carrier

Atomically thin MXene/WSe2 Schottky heterojunction towards enhanced photogenerated charge carrier

Novel two-dimensional Ti3C2Tx MXene-supported Ni-M (M = Pd, Pt, Ru): A remarkable catalyst for efficient HDO of guaiacol under hydrothermal conditions: Performance, mechanism and kinetic studies

Atomic-scale investigations of Ti3C2T MXene surfaces

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Product

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About

Atomically thin MXene/WSe₂ Schottky heterojunction towards enhanced photogenerated charge carrier

Atomically thin MXene/WSe₂ Schottky heterojunction towards enhanced photogenerated charge carrier