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Mo doping-enhanced dye absorption of Bi2Se3 nanoflowers

Mianzeng Zhong, Xiuqing Meng*, Fengmin Wu, Jingbo Li* and Yunzhang Fang

Author affiliations

Research Center for Light Emitting Diodes (LED), Zhejiang Normal University, Jinhua, Zhejiang Province 321004, China

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Citation and License

Nanoscale Research Letters 2013, 8:451  doi:10.1186/1556-276X-8-451

Published: 30 October 2013


A simple solvothermal approach is explored to prepare Bi2−xMoxSe3 nanostructures by employing N,N-dimethylformamide (DMF) as the solvent. Mo plays an important role in the assembly of the Bi2−xMoxSe3 nanostructures from nanoplates to nanoflowers. Structural and morphological studies indicate that the resulting products are large specific surface area single-crystalline Bi2−xMoxSe3 nanoflowers self-assembled from thin nanoplates during the reaction process. The absorption properties of the as-prepared samples are investigated with Rhodamine B (RhB) as dye, and it is found that the Bi1.85Mo0.15Se3 nanoflowers show an optimal adsorption capacity, implying that Mo doping not only changes the morphologies of the nanostructures but also enhances their absorption behaviors.

Solvothermal; Bi2−xMoxSe3; Nanoflowers; Nanoplates; Higher adsorption capacity