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Nano Research 2010, 3(12): 863-873 https://doi.org/10.1007/s12274-010-0057-x
Research Article | Open Access | Issue | Published: 26 November 2010

Ag2Se Complex Nanostructures with Photocatalytic Activity and Superhydrophobicity

Show Author's Information Huaqiang Cao1( ),  Yujiang Xiao1,2,  Yuexiang Lu1,  Jiefu Yin1,  Baojun Li1,  Shuisheng Wu1,3,  Xiaoming Wu1,4
Department of ChemistryTsinghua UniversityBeijing100084China
School of Chemistry and Chemical EngineeringCentral South UniversityChangsha410083China
College of Chemistry and Chemical EngineeringHunan UniversityChangsha410082China
School of Chemistry and Chemical EngineeringNanjing UniversityNanjing210093China
Keywords:
photoluminescence, Nanostructures, photocatalytic, superhydrophobicity, silver selenide
Cite this article:
Cao H, Xiao Y, Lu Y, et al. Ag2Se Complex Nanostructures with Photocatalytic Activity and Superhydrophobicity. Nano Research, 2010, 3(12): 863-873. https://doi.org/10.1007/s12274-010-0057-x
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Abstract Full text Electronic supplementary material About this article

Single-crystalline Ag2Se complex nanostructures have been synthesized via a solvothermal route in which selenophene (C4H4Se) as a selenylation source reacts with AgNO3 at a temperature of 240 ℃. An orthorhombic phase β-Ag2Se nanostructure was identified by X-ray diffraction (XRD), Raman spectroscopy, field emission scanning electron microscopy (FE-SEM), high resolution transmission electron microscopy (HRTEM), and photoluminescence (PL) spectroscopy. The wettability of the as-synthesized β-Ag2Se nanostructure was studied by measurement of the water contact angle (CA). Static water CA values of over 150° were obtained, which can be attributed to the β-Ag2Se complex nanostructure having a combination of micro- and nanostructures. The superhydrophobic Ag2Se nanostructure may find applications in self-cleaning. Additionally, the photocatalytic activity of the as-synthesized β-Ag2Se nanostructure was evaluated by photodegradation of rhodamine B (RhB) dye under ultraviolet (UV) light irradiation.


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About this article

Ag2Se Complex Nanostructures with Photocatalytic Activity and Superhydrophobicity

Show Author's information Huaqiang Cao1( ), Yujiang Xiao1,2, Yuexiang Lu1, Jiefu Yin1, Baojun Li1, Shuisheng Wu1,3, Xiaoming Wu1,4
Department of ChemistryTsinghua UniversityBeijing100084China
School of Chemistry and Chemical EngineeringCentral South UniversityChangsha410083China
College of Chemistry and Chemical EngineeringHunan UniversityChangsha410082China
School of Chemistry and Chemical EngineeringNanjing UniversityNanjing210093China

Abstract

Single-crystalline Ag2Se complex nanostructures have been synthesized via a solvothermal route in which selenophene (C4H4Se) as a selenylation source reacts with AgNO3 at a temperature of 240 ℃. An orthorhombic phase β-Ag2Se nanostructure was identified by X-ray diffraction (XRD), Raman spectroscopy, field emission scanning electron microscopy (FE-SEM), high resolution transmission electron microscopy (HRTEM), and photoluminescence (PL) spectroscopy. The wettability of the as-synthesized β-Ag2Se nanostructure was studied by measurement of the water contact angle (CA). Static water CA values of over 150° were obtained, which can be attributed to the β-Ag2Se complex nanostructure having a combination of micro- and nanostructures. The superhydrophobic Ag2Se nanostructure may find applications in self-cleaning. Additionally, the photocatalytic activity of the as-synthesized β-Ag2Se nanostructure was evaluated by photodegradation of rhodamine B (RhB) dye under ultraviolet (UV) light irradiation.

Keywords: photoluminescence, Nanostructures, photocatalytic, superhydrophobicity, silver selenide

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Received: 02 July 2010
Revised: 11 September 2010
Accepted: 09 October 2010
Published: 26 November 2010
Issue date: December 2010

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© The Author(s) 2010

Acknowledgements

Acknowledgements

The authors gratefully acknowledge the financial support from the National Natural Science Foundation of China (Nos. 20921001 and 20535020), the Innovation Method Fund of China (No. 20081885189), and the National High Technology Research and Development Program of China (No. 2009AA03Z321).

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