4.6 Article

Ultrafast Preparation of Black Phosphorus Quantum Dots for Efficient Humidity Sensing

Journal

CHEMISTRY-A EUROPEAN JOURNAL
Volume 22, Issue 22, Pages 7357-7362

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201600719

Keywords

black phosphorus; disintegration; kitchen blender; quantum dots; 2D materials

Funding

  1. National Basic Research Program of China (973 Program) [2015CB352106]
  2. National Natural Science Foundation of China (NSFC) [61574034, 51372039, 91333118, 61274114, 11525415, 113279028, 51420105003]
  3. Jiangsu Province Science and Technology Support Program [BK20141118, BK20151417]
  4. China Postdoctoral Science Foundation Funded Project [2014M550259, 2015T80480]

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Black phosphorus quantum dots (BPQDs) have been prepared by a high turbulent shear rate generated from a household kitchen blender. A layer-by-layer disintegration mechanism of bulk BP crystals is suggested. As-synthesized BPQDs have shown excellent humidity sensing and photothermal converting properties. Importantly, this work not only explores potential applications for the BPQDs but also provides a successful paradigm for preparing the QDs of other layered materials.

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