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Enhanced Photocurrent Properties of Dye/Au-Loaded TiO2 Films by Grating-Coupled Surface Plasmon Excitation
Hathaithip NINSONTI Weerasak CHOMKITICHAI Akira BABA Wiyong KANGWANSUPAMONKON Sukon PHANICHPHANT Kazunari SHINBO Keizo KATO Futao KANEKO
IEICE TRANSACTIONS on Electronics
Publication Date: 2013/03/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
grating-coupled surface plasmon, Au-loaded TiO2, dye-sensitized solar cell, photocurrent,
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We report enhanced photocurrent properties of dye/Au-loaded titanium dioxide (TiO2) films on Au gratings. Au-loaded TiO2 nanopowders were first synthesized by a modified sol-gel method and then prepared by the impregnation method. We also fabricated dye-sensitized solar cells, which were composed of Au grating/Au-TiO2/TMPyP-SCC LbL (20 bilayers)/electrolyte/ITO substrates. Short-circuit photo-current measurements showed that Au-loaded TiO2 with grating-coupled surface plasmon excitation can enhance the short-circuit photocurrentof the fabricated cells.