研究目的
Investigating the synthesis of Bi2S3/BiOCl composites and their application in high-performance photodetectors.
研究成果
The Bi2S3/BiOCl composites synthesized through a facile polyol refluxing process were successfully configured into a newly designed photodetector with excellent sensitivity, high on/off ratio, fast rise time and decay time, indicating great potential in next generation high response photodetectors and other optoelectronic devices.
研究不足
The photocurrent decreased with measurement time due to the sensitivity of the electrolyte to the test environment, temperature variation, vibration, and test interference signals.
1：Experimental Design and Method Selection:
The Bi2S3/BiOCl composites were synthesized through a simple polyol refluxing method under open-air conduction.
2：Sample Selection and Data Sources:
Analytical grade reagents were used without further purification.
3：List of Experimental Equipment and Materials:
Field-emission scanning electron microscopy (FESEM, JEOL JSM-6701F, 5 kV), transmission electron microscopy (TEM, JEM-2010), X-ray Diffraction (XRD, X’Pert PRO, PANalytical B.V.), UV-vis spectrometer (UV-2500, Shimadzu).
4：Experimental Procedures and Operational Workflow:
The synthesis involved dissolving BiCl3 and Na2S in distilled water, followed by refluxing in 1,4-butanediol solution at 220 °C for 3 h.
5：Data Analysis Methods:
The crystallographic structures were examined by XRD patterns analysis, and the optical properties were evaluated using UV-vis diffuse reflectance spectra.
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