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A Facile Route to Cotton-Like BiOCl Nanomaterial with Enhanced Dye-Sensitized Visible Light Photocatalytic Efficiency *Supported by the International Science and Technology Cooperation Program of China under Grant No 2014DFA60150, the National Natural Science Foundation of China under Grant Nos 51172113 and 51373086, and the Taishan Scholar Overseas Distinguished Professorship Program from the Shandong Provincial Government. (September 2015)
Record Type:
Journal Article
Title:
A Facile Route to Cotton-Like BiOCl Nanomaterial with Enhanced Dye-Sensitized Visible Light Photocatalytic Efficiency *Supported by the International Science and Technology Cooperation Program of China under Grant No 2014DFA60150, the National Natural Science Foundation of China under Grant Nos 51172113 and 51373086, and the Taishan Scholar Overseas Distinguished Professorship Program from the Shandong Provincial Government. (September 2015)
Main Title:
A Facile Route to Cotton-Like BiOCl Nanomaterial with Enhanced Dye-Sensitized Visible Light Photocatalytic Efficiency *Supported by the International Science and Technology Cooperation Program of China under Grant No 2014DFA60150, the National Natural Science Foundation of China under Grant Nos 51172113 and 51373086, and the Taishan Scholar Overseas Distinguished Professorship Program from the Shandong Provincial Government.
<abstract> <title> <x content-type="archive" xml:space="preserve">Abstract</x> </title> <p>A facile route is developed to fabricate BiOCl porous cotton-like nanostructure by using Bi<sub>2</sub>O<sub>3</sub> and hydrochloric acid as raw materials. The BiOCl nanomaterial is actually hierarchically structured by numerous ultrathin nanosheets. The nanosheets are around 50–500 nm in lateral size and 2–12 nm in thickness. High-resolution transmission electron microscopy and selected-area electron diffraction analyses indicate that single-crystalline BiOCl nanosheets have the predominant growth direction along [110], the bottom and top surfaces are {001} facets, and four lateral surfaces are {110} facets. The BiOCl nanosheets are dominantly enclosed by {001} facets. From the diffuse reflectance spectroscopy spectrum, the light absorption edge and band gap energy (E<sub><italic>g</italic></sub>) are estimated to be 416 nm and 2.98 eV, respectively. The BiOCl photocatalyst possesses superior activity for methyl orange (MO) degradation under visible light irradiation and the photodegradation efficiency is up to 91.5%/180 min. The correlation between morphology and microstructure with enhanced MO-sensitized photodegradation performance under visible light is investigated.</p> </abstract>