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Materials 2016, 9(2), 90; doi:10.3390/ma9020090

Heterojunctions of p-BiOI Nanosheets/n-TiO2 Nanofibers: Preparation and Enhanced Visible-Light Photocatalytic Activity

Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory of UV-Emitting Materials and Technology, Northeast Normal University, Ministry of Education, 5268 Renmin Street, Changchun 130024, China
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Authors to whom correspondence should be addressed.
Academic Editor: Joshua M. Pearce
Received: 28 December 2015 / Revised: 22 January 2016 / Accepted: 26 January 2016 / Published: 30 January 2016
(This article belongs to the Special Issue Photovoltaic Materials and Electronic Devices)
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Abstract

p-BiOI nanosheets/n-TiO2 nanofibers (p-BiOI/n-TiO2 NFs) have been facilely prepared via the electrospinning technique combining successive ionic layer adsorption and reaction (SILAR). Dense BiOI nanosheets with good crystalline and width about 500 nm were uniformly assembled on TiO2 nanofibers at room temperature. The amount of the heterojunctions and the specific surface area were well controlled by adjusting the SILAR cycles. Due to the synergistic effect of p-n heterojunctions and high specific surface area, the obtained p-BiOI/n-TiO2 NFs exhibited enhanced visible-light photocatalytic activity. Moreover, the p-BiOI/n-TiO2 NFs heterojunctions could be easily recycled without decreasing the photocatalytic activity owing to their one-dimensional nanofibrous structure. Based on the above, the heterojunctions of p-BiOI/n-TiO2 NFs may be promising visible-light-driven photocatalysts for converting solar energy to chemical energy in environment remediation. View Full-Text
Keywords: BiOI/TiO2; p-n heterojunction; nanofiber; photocatalysis BiOI/TiO2; p-n heterojunction; nanofiber; photocatalysis
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Wang, K.; Shao, C.; Li, X.; Miao, F.; Lu, N.; Liu, Y. Heterojunctions of p-BiOI Nanosheets/n-TiO2 Nanofibers: Preparation and Enhanced Visible-Light Photocatalytic Activity. Materials 2016, 9, 90.

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