Synthesis of TiO_2 Nanocrystals with Specific Crystal Plane on the Surface and Characterization of Their Photocatalytic and Dye-Sensitized Properties
Project/Area Number |
20350096
|
Research Category |
Grant-in-Aid for Scientific Research (B)
|
Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Inorganic industrial materials
|
Research Institution | Kagawa University |
Principal Investigator |
FENG Qi Kagawa University, 工学部, 教授 (80274356)
|
Co-Investigator(Kenkyū-buntansha) |
TANAKA Yasuhiro 香川大学, 工学部, 准教授 (10217086)
ITOH Hiroshi 香川大学, 大学本部, 理事 (60112249)
|
Project Period (FY) |
2008 – 2010
|
Project Status |
Completed (Fiscal Year 2010)
|
Budget Amount *help |
¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2010: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2009: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
|
Keywords | TiO_2ナノ粒子 / 色素増感型太陽電池 / 露出結晶面の制御 / 高い色素吸着量 / チタン酸ナノシート / 水熱ソフト化学反応 / 粒子形状制御 / 光触媒 |
Research Abstract |
In this study, we developed a novel process for the synthesis of anatase-type TiO_2 nanocrystals with specific crystal plane on the crystal surface using layered titanate nanosheets as the precursor and studied their photocatalytic activity and dye-sensitized solar cell performance. The TiO_2 nanocrystals with (010) plane on the surface can be prepared by hydrothermal treatment of H_<1.07>Ti_<1.74>O_4 nanosheet solution. The (010) plane presents the high photocatalytic activity and high dye adsorption amount. The results of dye-sensitized solar cell study indicate that the V_<oc> value increases with increasing the dye adsorption amount and the J_<sc> value increases with increasing adsorption constant. We give the quantitative relationships between the dye adsorption parameters and solar cell parameters for the first time.
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Report
(4 results)
Research Products
(83 results)
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2008-10-06
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2008-08-26
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2008-08-11
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