Shape-controlled synthesis and photocatalytic activity of In<sub>2</sub>O<sub>3</sub> nanostructures derived from coordination polymer precursors

doi:10.1016/j.cclet.2015.12.031

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Abstract In(BTC)(phen)(H₂O) nanocrystals with controllable morphology and size were successfully obtained by solvothermal method. Hierarchical straw-sheaf-like architectures, nanorods and elongated hexagons have been synthesized by varying the volume ratio of DMF:H₂O:C₂H₅OH. Phase-pure In₂O₃ nanocrystals were obtained by the calcination of the precursors without significant alteration of themorphology. The products were characterized by PXRD, SEM, TEM, TGA, IR and gas adsorption measurements. The photocatalytic effect was investigated for the In₂O₃ nanocrystals with different morphology on the degradation of rhodamine B (RhB) and it was found that the nanorods exhibited the best photocatalytic activity, which shows the degradation efficiency of 94% for 8 h. The results showed that the photocatalytic activity increased with the increase of BET surface area and pore volume.

Key words： In(BTC)(phen)(H₂O) Morphology In₂O₃ Photocatalysis Rhodamine B

Received: 08 December 2015 Published: 14 January 2016

Fund:This work was financially supported by the National Natural Science Foundation of China (No. 21331002).

Corresponding Authors: Wei-Yin Sun E-mail: sunwy@nju.edu.cn

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http://www.chinchemlett.com.cn/EN/10.1016/j.cclet.2015.12.031 OR http://www.chinchemlett.com.cn/EN/Y2016/V27/I04/492

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