AI Article Synopsis
- - All-inorganic lead-free perovskite thin films were created using a technique called pulsed laser deposition, and the study explored how factors like substrate temperature, laser energy, and frequency affected the films’ structure and optoelectronic qualities.
- - A heterojunction photodetector was developed, demonstrating significant deep-ultraviolet photoresponse, achieving a high / ratio of 130 at -1.3, and a peak response of 70.8 mA/W at a wavelength of 280 nm.
- - The device exhibited impressive stability, maintaining performance after being exposed to air for 30 days, highlighting its potential for practical applications.
Article Abstract
All-inorganic lead-free perovskite thin films were prepared using pulsed laser deposition. Effects of the substrate temperature, laser energy, and laser frequency on the film structure and optoelectronic properties were studied. A heterojunction photodetector based on /- was constructed, and the deep-ultraviolet photoresponse was obtained. A high / ratio of 130 was achieved at -1.3, and the peak response of the heterojunction photodetector was 70.8 mA/W (280 nm), with the corresponding specific detectivity of 9.44×10⋅⋅. Moreover, the device showed good stability after being exposed to air for 30 days.
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| http://dx.doi.org/10.1364/OL.432497 | DOI Listing |
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