Highly Crystalline Bi2O2Se Nanosheet Growth by Dual-Source Independent Control Technology for Photodetector
Source abstract
Abstract
As an emerging 2D-layered semiconductor material, the Bi 2 O 2 Se nanosheet has shown great application potential in the field of electronics and optoelectronics due to its high carrier mobility, superior air stability, and tunable bandgap. However, the mechanism of controllable synthesis of Bi 2 O 2 Se nanosheets is still unclear, and further basic research and applications are urgently needed in the field of photovoltaics. In this paper, Bi 2 O 2 Se nanosheets were prepared based on the “dual-source independent control” method, and photodetectors were demonstrated on Si/SiO 2 . The device has a mobility of 258.6 cm 2 V –1 s –1, responsivity of 8030 A/W at 532 nm (0.32 mW/cm 2 ), and detectivity of 1.972 × 10 11 Jones, and the detector obtains highly stable and recoverable properties with multiple laser switches. The modulation mechanism of Bi 2 O 2 Se-based photodetectors is then explored based on the I–V characteristics of photodetectors and photoconductivity effect solutions.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electronic and Structural Properties of Oxides · ZnO doping and properties · Gas Sensing Nanomaterials and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Integrated Circuit Science and Engineering
Tianjin University of Technology
School of Materials Science and Engineering
State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology
Chinese Academy of Sciences
Funding
Natural Science Foundation of Tianjin Municipality · National Key Research and Development Program of China · Tianjin Municipal Science and Technology Program · National Natural Science Foundation of China · National Key Laboratory of Integrated Materials
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