期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 32, 期 23, 页码 27995-28006出版社
SPRINGER
DOI: 10.1007/s10854-021-07180-y
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资金
- Tunisian Ministry of Higher Education and Scientific Research, Spanish Ministry of Science and Innovation - FEDER Funds (MODENA Project) [CTQ2016-79461-R]
- Fundacion Ramon Areces (Spain) [CIVP18A3940]
- NANOMAG group belongs to Galician Competitive Research Group [ED431C-2017/22]
- FEDER
- AEMAT Strategic Partnership (Xunta de Galicia, Spain) [ED431E-2018/08]
In this study, In2S3 thin films were successfully deposited on glass substrates using a spray pyrolysis method, and their photoconductive properties were investigated by adjusting the S/In ratio. The best photosensitivity was achieved when the S/In ratio was 2. The relationship between photocurrent and light intensity follows a power law, while the relationship with bias voltage is linear.
In2S3 thin films have been deposited onto glass substrates at 340 degrees C using an inexpensive spray pyrolysis method (CSP) via the reaction between high purity indium chloride and thiourea. Structural, optical and photoconductive properties of thin films have been investigated by adjusting S/In molar ratio. The X-ray diffraction results revealed that In2S3 films are polycrystalline and exhibited a cubic structure. The optical and morphological properties are discussed. The photoconductive performances were conducted by DC electrical characterization. The best photosensitivity was obtained for the film matching S/In = 2 molar ratio. In addition, photocurrent versus light intensity and bias voltage follows a power law and linear trend, respectively. Furthermore, some critical parameters such as responsivity and detectivity were determined to evaluate photosensitive properties of In2S3 thin films.
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