Shape-controlled synthesis and photocatalytic activity of In2O3 nanostructures derived from coordination polymer precursors |
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| Authors: | Ji-Min Yang;Zhao-Peng Qi;Yan-Shang Kang;Qing Liu;Wei-Yin Sun;Coordination Chemistry Institute State |
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| Institution: | a Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China;
b School of Chemistry & Chemical Engineering, Linyi University, Linyi 276005, China |
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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. |
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| Keywords: | In(BTC)(phen)(H2O) Morphology In2O3 Photocatalysis Rhodamine B |
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