An upconversion NaYF4:Yb3+,Er3+/TiO2 core–shell nanoparticle photoelectrode for improved efficiencies of dye-sensitized solar cells
作者： Jun Zhang , Haiou Shen , Wei Guo , Shunhao Wang , Chuntao Zhu
DOI: 10.1016/J.JPOWSOUR.2012.10.073
关键词:
摘要: Abstract Novel upconversion NaYF4:Yb3+,Er3+/TiO2 core–shell nanoparticles (NPs) are synthesized and used to prepare the photoelectrode (PE) of dye-sensitized solar cells (DSSCs). The morphology, structure, photoluminescence characterization NPs photoelectric performance, alternating current impedance spectroscopy DSSCs characterized using transmission electron microscopy, X-ray diffraction, luminescence (UCL) spectrofluorimetry electrochemistry. Compared with pure TiO2 PE or NaYF4:Yb3+,Er3+ simply mixed prepared as volume ratio show a greater photovoltaic efficiency. energy conversion efficiency is 23.1% higher than 99.1% mixed same conditions. This enhancement due UCL core extending spectral response range infrared region their particular shell retaining its semiconductor character. method represents novel approach increase efficiencies DSSCs.
harvard.edu
sci-hub.se 参考文章(33)
Michael Gr�tzel, Perspectives for dye‐sensitized nanocrystalline solar cells Progress in Photovoltaics. ,vol. 8, pp. 171- 185 ,(2000) , 10.1002/(SICI)1099-159X(200001/02)8:1<171::AID-PIP300>3.0.CO;2-U
A KUMAR, T KANDPAL, Renewable energy technologies for irrigation water pumping in India: A preliminary attempt towards potential estimation Energy. ,vol. 32, pp. 861- 870 ,(2007) , 10.1016/J.ENERGY.2006.05.004
H. Hafez, M. Saif, M.S.A. Abdel-Mottaleb, Down-converting lanthanide doped TiO2 photoelectrodes for efficiency enhancement of dye-sensitized solar cells Journal of Power Sources. ,vol. 196, pp. 5792- 5796 ,(2011) , 10.1016/J.JPOWSOUR.2011.02.031
Brian O'Regan, Michael Grätzel, A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films Nature. ,vol. 353, pp. 737- 740 ,(1991) , 10.1038/353737A0
Zhaoquan Ai, Guilin Sun, Qilong Zhou, Changsheng Xie, Polyacrylate-core/TiO2-shell nanocomposite particles prepared by in situ emulsion polymerization Journal of Applied Polymer Science. ,vol. 102, pp. 1466- 1470 ,(2006) , 10.1002/APP.24312
J.F. Suyver, A. Aebischer, D. Biner, P. Gerner, J. Grimm, S. Heer, K.W. Krämer, C. Reinhard, H.U. Güdel, Novel materials doped with trivalent lanthanides and transition metal ions showing near-infrared to visible photon upconversion Optical Materials. ,vol. 27, pp. 1111- 1130 ,(2005) , 10.1016/J.OPTMAT.2004.10.021
Biao Dong, Sai Xu, Jiao Sun, Shan Bi, Dan Li, Xue Bai, Yu Wang, Liping Wang, Hongwei Song, Multifunctional NaYF4 : Yb3+,Er3+@Ag core/shell nanocomposites: integration of upconversion imaging and photothermal therapy Journal of Materials Chemistry. ,vol. 21, pp. 6193- 6200 ,(2011) , 10.1039/C0JM04498A
Annina Aebischer, Marc Hostettler, Jürg Hauser, Karl Krämer, Thomas Weber, Hans Ulrich Güdel, Hans-Beat Bürgi, Structural and Spectroscopic Characterization of Active Sites in a Family of Light-Emitting Sodium Lanthanide Tetrafluorides Angewandte Chemie. ,vol. 45, pp. 2802- 2806 ,(2006) , 10.1002/ANIE.200503966
Guangshun Yi, Huachang Lu, Shuying Zhao, Yue Ge, Wenjun Yang, Depu Chen, Liang-Hong Guo, Synthesis, Characterization, and Biological Application of Size-Controlled Nanocrystalline NaYF4:Yb,Er Infrared-to-Visible Up-Conversion Phosphors Nano Letters. ,vol. 4, pp. 2191- 2196 ,(2004) , 10.1021/NL048680H
Jun Zhang, Xiaoxue Li, Wei Guo, Tubshin Hreid, Jinfeng Hou, Haiquan Su, Zhuobin Yuan, Electropolymerization of a poly(3,4-ethylenedioxythiophene) and functionalized, multi-walled, carbon nanotubes counter electrode for dye-sensitized solar cells and characterization of its performance Electrochimica Acta. ,vol. 56, pp. 3147- 3152 ,(2011) , 10.1016/J.ELECTACTA.2011.01.063