纳米棒
纳米结构
材料科学
化学计量学
纳米技术
光催化
水溶液
化学工程
自组装
氧化物
化学
有机化学
催化作用
工程类
冶金
作者
Yogita M. Shirke,Shatabdi Porel Mukherjee
出处
期刊:CrystEngComm
[The Royal Society of Chemistry]
日期:2017-01-01
卷期号:19 (15): 2096-2105
被引量:43
摘要
In this study, simple inorganic routes for the synthesis of WO3 and W18O49 nanostructures with variable size and self-assembly are reported. The morphologies and formation of stoichiometric WO3 as well as substoichiometric W18O49 single-crystal phase could be controlled by changing the pH of the reactions medium. This synthesis strategy has the advantages that it is one step, aqueous medium-based, and requires no surfactant or stabilizing agent. Furthermore, it also enables the self-assembly of 1D nanorods of WO3 and W18O49 into hierarchical nanostructures as nanorods bundles, cocoons, urchins, fishbones, etc. This synthesis method may open up a new way to control and tune the stoichiometric and substoichiometric composition of metal oxide nanostructures. Efficient sunlight-driven photocatalytic performance to degrade Rhodamine B (100 mL; 40 mg L−1) with these tungsten oxide nanostructures was also demonstrated.
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