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Honeycomb RhI3 Flakes with High Environmental Stability for Optoelectronics
Wang, FK; Zhang, Z; Zhang, Y; Nie, AM; Zhao, W; Wang, D; Huang, FQ; Zhai, TY
2020-06-01
Source PublicationADVANCED MATERIALS
ISSN0935-9648
Issue25
SubtypeArticle
AbstractThe emerging 2D layered transition metal trihalides (MX3) have attracted extremely high interest given their exceptional structural and physical properties. Continuing to extend the library of 2D MX3 is essential for exploring new physical phenomena and enabling new functionality. Herein, the optical and electrical properties and the photodetection behavior of atomically thin RhI3 flakes exfoliated from bulk crystals are reported. This compound exhibits superior air and thermal stability, as well as thickness-dependent bandgap from 1.1 (18L) to 1.4 eV (2L). Field-effect transistors based on the few-layer RhI3 flakes display n-type semiconducting behavior with competitive mobility of 2.5 cm(2) V-1 s(-1) and ON/OFF current ratio of 4 x 10(4). Importantly, the outstanding responsivity of 11.5 A W-1 and high specific detectivity of 2 x 10(10) Jones are recorded from the RhI3 photodetectors under 980 nm illumination at room temperature in air. These findings indicate a variety of potential applications of atomically thin RhI3 flakes in future 2D-material-based electronic and optoelectronic devices.
DOI10.1002/adma.202001979
WOS KeywordMAGNETIC-PROPERTIES ; BLACK PHOSPHORUS ; GAIN ; LAYERS ; BULK ; AIR
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28060
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, FK,Zhang, Z,Zhang, Y,et al. Honeycomb RhI3 Flakes with High Environmental Stability for Optoelectronics[J]. ADVANCED MATERIALS,2020(25).
APA Wang, FK.,Zhang, Z.,Zhang, Y.,Nie, AM.,Zhao, W.,...&Zhai, TY.(2020).Honeycomb RhI3 Flakes with High Environmental Stability for Optoelectronics.ADVANCED MATERIALS(25).
MLA Wang, FK,et al."Honeycomb RhI3 Flakes with High Environmental Stability for Optoelectronics".ADVANCED MATERIALS .25(2020).
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