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Title: Black phosphorus quantum dots
Authors: Zhang, Xiao
Xie, Haiming
Liu, Zhengdong
Tan, Chaoliang
Luo, Zhimin
Li, Hai
Lin, Jiadan
Sun, Liqun
Chen, Wei
Xu, Zhichuan
Xie, Linghai
Huang, Wei
Zhang, Hua
Keywords: DRNTU::Engineering::Materials::Nanostructured materials
Issue Date: 2015
Source: Zhang, X., Xie, H., Liu, Z., Tan, C., Luo, Z., Li, H., et al. (2015). Black phosphorus quantum dots. Angewandte chemie International edition, 54(12), 3653-3657.
Series/Report no.: Angewandte chemie International edition
Abstract: As a unique two-dimensional nanomaterial, layered black phosphorus (BP) nanosheets have shown promising applications in electronics. Although mechanical exfoliation was successfully used to prepare BP nanosheets, it is still a challenge to produce novel BP nanostructures in high yield. A facile top-down approach for preparation of black phosphorus quantum dots (BPQDs) in solution is presented. The obtained BPQDs have a lateral size of 4.9±1.6 nm and thickness of 1.9±0.9 nm (ca. 4±2 layers). As a proof-of-concept application, by using BPQDs mixed with polyvinylpyrrolidone as the active layer, a flexible memory device was successfully fabricated that exhibits a nonvolatile rewritable memory effect with a high ON/OFF current ratio and good stability.
ISSN: 1433-7851
DOI: 10.1002/anie.201409400
Rights: © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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