Influence of Ag-doping on the microstructure and optical properties of ZnO nanoparticles

Ting-ting Xiong; Dong-mei Li; Wei-min Shi; Lin-jun Wang; Jian Huang; Cen Wang

doi:10.1117/12.835946

24 August 2009 Influence of Ag-doping on the microstructure and optical properties of ZnO nanoparticles

Ting-ting Xiong, Dong-mei Li, Wei-min Shi, Lin-jun Wang, Jian Huang, Cen Wang

Proceedings Volume 7381, International Symposium on Photoelectronic Detection and Imaging 2009: Material and Device Technology for Sensors; 738124 (2009) https://doi.org/10.1117/12.835946
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

This work reported a preliminary study of doped ZnO nanoparticles by fine optical group-I_B element Ag as the foundation to achieve p-type conduction of ZnO. Ag-doped ZnO nanoparticles were synthesized under lower temperature by annealing treatment in water-soluble silicone oil to the precursor [Zn(OH)₄]^2- with Ag⁺ prepared in a quaternary reverse micro-emulsion. The products were characterized by X-ray diffraction (XRD), Transmission Electron Microscope (TEM), UV-visible spectroscopy and photoluminescence spectra (PL). The influence of Ag doping level on the optical properties of ZnO nanoparticles was studied and the photoluminescence mechanism was analyzed. The origin of relative variety of near band edge emission (NBE) and deep level emission (DLE) of ZnO in virtue of incorporated Ag⁺ was discussed. The value of OH-/Zn²⁺ in precursor and annealing temperature also effected the optical properties of Ag doped ZnO. The optimum conditions were given for preparation of Ag-doping ZnO nanoparticles.

Citation Download Citation

Ting-ting Xiong, Dong-mei Li, Wei-min Shi, Lin-jun Wang, Jian Huang, and Cen Wang "Influence of Ag-doping on the microstructure and optical properties of ZnO nanoparticles", Proc. SPIE 7381, International Symposium on Photoelectronic Detection and Imaging 2009: Material and Device Technology for Sensors, 738124 (24 August 2009); https://doi.org/10.1117/12.835946

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KEYWORDS

Zinc oxide

Silver

Nanoparticles

Doping

Optical properties

Ions

Atmospheric particles

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