High-Performance 1D–2D Te/MoS2 Heterostructure Photodetectors with Tunable Giant Persistent Photoconductivity
Source abstract
Abstract
This study presents vertically stacked van der Waals heterojunctions comprising multilayered tellurium (Te) and exfoliated molybdenum disulfide (MoS 2 ) for high-performance broadband phototransistors exhibiting tunable giant persistent photoconductivity. The type I heterojunction configuration significantly enhances and broadens spectral responsivity due to its large absorption cross section and optimal band alignment. The photodetector achieves a relatively excellent responsivity of 209 A/W and a high detectivity of 3.4 × 10 13 under visible wavelength irradiation as well as a comparable responsivity of 10 A/W under infrared wavelength. Notably, the giant persistent photoconductivity in this architecture can be modulated by the drain voltage ( V DS ) and the wavelength of the incident light. This work paves the way for high-performance, heterostructured TMDC-based futuristic optoelectronic applications.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: 2D Materials and Applications · Nanowire Synthesis and Applications · Photonic and Optical Devices
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials and Engineering, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Republic of Korea
Program in Semiconductor and Device, Inha University, 100, Inha-ro, Michuhol-gu, Incheon 22212, Republic of Korea
School of Integrative Engineering, Chung-Ang University, Seoul 06974, Republic of Korea
Department of Physics, Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
Institute for Bio-Medical and Translational Health Care, Inha University Hospital, 27 Inhangro, Jung-gu, Incheon 22332, Republic of Korea
Department of Physics, Dongguk University, 30, Pildong-ro 1-gil, Jung-gu, Seoul 04620, Republic of Korea
Funding
Inha University · National Research Foundation of Korea · Dongguk University · Chungnam National University
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