研究目的
The influence of gamma irradiation on CdS/CdTe photodiodes was investigated in order to evaluate their potential for applications in high-radiation environments.
研究成果
CdS/CdTe photodiodes exhibit sufficient tolerance to high gamma-ray exposure, with the change rate of current density affected by the depletion layer width.
研究不足
The study focuses on gamma-ray irradiation effects and does not cover other types of radiation or environmental conditions.
1:Experimental Design and Method Selection
Investigated the gamma-ray tolerance of CdS/CdTe photodiodes and measured I-V characteristics under gamma-ray irradiation.
2:Sample Selection and Data Sources
CdS/CdTe photodiodes with a glass / indium tin oxide (ITO) / n-type CdS / p-type CdTe structure were used. Corning Eagle XG with thickness of 0.7 mm was used as a glass substrate.
3:List of Experimental Equipment and Materials
60Co gamma-ray source, CdS/CdTe photodiodes, simulated solar light (AM 1.5, 100 mW/cm2).
4:Experimental Procedures and Operational Workflow
Gamma-ray irradiation was performed with a dose rate of approximately 1.5 kGy/h, and the total dose of gamma-ray irradiation was more than 2 MGy. I-V characteristics were measured under simulated solar light without gamma-ray irradiation.
5:Data Analysis Methods
I-V characteristics were analyzed to determine the change rate of current density under gamma-ray irradiation.
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