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Toward Efficient Photoelectric Conversion: A Perspective on Interfacial Engineering of TMDC Heterojunctions
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    Toward Efficient Photoelectric Conversion: A Perspective on Interfacial Engineering of TMDC Heterojunctions
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    • Miaomiao Zhang
      Miaomiao Zhang
      Nanophotonics and Biophotonics Key Laboratory of Jilin Province, School of Physics, Changchun University of Science and Technology, Changchun 130022, P. R. China
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    • Chu Xu
      Chu Xu
      Nanophotonics and Biophotonics Key Laboratory of Jilin Province, School of Physics, Changchun University of Science and Technology, Changchun 130022, P. R. China
      More by Chu Xu
    • Zhe Xu
      Zhe Xu
      Changchun High-Tech Industrial Development Zone, Shangde Academy of Jilin University, Changchun 130000, P. R. China
      More by Zhe Xu
    • Jinhua Li*
      Jinhua Li
      Nanophotonics and Biophotonics Key Laboratory of Jilin Province, School of Physics, Changchun University of Science and Technology, Changchun 130022, P. R. China
      *Email: [email protected]
      More by Jinhua Li
    • Kaixi Shi*
      Kaixi Shi
      Nanophotonics and Biophotonics Key Laboratory of Jilin Province, School of Physics, Changchun University of Science and Technology, Changchun 130022, P. R. China
      *Email: [email protected]
      More by Kaixi Shi
      Orcidhttps://orcid.org/0009-0000-1710-9115
    • Xueying Chu*
      Xueying Chu
      Nanophotonics and Biophotonics Key Laboratory of Jilin Province, School of Physics, Changchun University of Science and Technology, Changchun 130022, P. R. China
      *Email: [email protected]
      More by Xueying Chu
    • Fujun Liu
      Fujun Liu
      Nanophotonics and Biophotonics Key Laboratory of Jilin Province, School of Physics, Changchun University of Science and Technology, Changchun 130022, P. R. China
      More by Fujun Liu
    • Xinyue Pan
      Xinyue Pan
      Nanophotonics and Biophotonics Key Laboratory of Jilin Province, School of Physics, Changchun University of Science and Technology, Changchun 130022, P. R. China
      More by Xinyue Pan
      Orcidhttps://orcid.org/0009-0003-3322-2937
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    Langmuir

    Cite this: Langmuir 2026, XXXX, XXX, XXX-XXX
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    https://doi.org/10.1021/acs.langmuir.5c06429
    Published April 6, 2026
    © 2026 American Chemical Society
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    Abstract

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    Transition metal dichalcogenide (TMDC) heterojunctions exhibit high light absorption and fast carrier transport for developing promising applications in optoelectronic devices. Interfacial engineering enhances the built-in electric field (BEF) by optimizing energy band alignment, designing heterojunction architectures, and regulating interfacial defect states, thereby enabling rapid carrier separation and transport. This review provides a comprehensive overview of recent advances in interfacial engineering toward efficient photoelectric conversion for photodetectors. First, heterojunction fabrication techniques such as transfer stacking and direct growth are systematically described. The mechanisms of three strategies (energy band engineering, structural engineering, and defect engineering) to manipulate carrier distribution are discussed. These approaches are tailored to enhance carrier transport, suppress carrier nonradiative recombination, and ensure effective carrier transfer to the electrodes. Subsequently, the applications and limitations of TMDC heterojunctions in optoelectronic devices are discussed and analyzed. Finally, we discuss current challenges, future opportunities, and development perspectives for interfacial modulation in TMDC heterojunctions. This review aims to effectively guide readers in understanding, designing, and leveraging interfacial engineering to achieve high-performance optoelectronic devices.

    © 2026 American Chemical Society

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    Langmuir

    Cite this: Langmuir 2026, XXXX, XXX, XXX-XXX
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.langmuir.5c06429
    Published April 6, 2026
    © 2026 American Chemical Society
    Request reuse permissions

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