High-performance UV detectors based on 2D CVD bismuth oxybromide single-crystal nanosheets
Long Chen, Chengtao Yang, Chaoyi Yan*(
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Fig. 2.. XPS spectra of as-transferred BiOBr ?akes on SiO2/Si substrate: (a) Bi 4f; (b) Br 3d; (c) O 1s; (d) full spectra; (e) Microscopic UV-vis absorption spectrum; (f) αhv1/2-Eoptical curve of 2D BiOBr nanosheets. The tangent line of the linear region for obtaining the optical bandgap.
