Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 6, Issue 46, Pages 12615-12622Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8tc04337j
Keywords
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Funding
- National Natural Science Foundation of China [51572155, 51321091, 51272129]
- Fundamental Research Funds of Shandong University
- National Key Research and Development Program of China [2016YFB1102201]
- Program of Introducing Talents of Disciplines to China (111 program) [BP2018013]
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As an environmentally friendly and chemically robust crystal, LiInSe2 (LISe) exhibits promising optoelectronic properties. Here, an ultrasensitive metal-semiconductor-metal (MSM) structured photodetector based on a high-quality LISe crystal was systemically investigated. Remarkably, the LISe based photodetectors exhibit an outstanding photosensitivity with a high on/off current ratio (6.80 x 10(4)), fast photoresponse (t(rise) = 180 s and t(decay) = 200 s), and high detectivity (2.16 x 10(12) Jones). This work may lay the foundation and ignite future research interest on chalcogenide crystals in photodetectors.
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