Synthesis of two-dimensional nanowall of Cu-Doped TiO2 and its application as photoanode in DSSCs |
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| Institution: | 1. Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Andalas, Limau Manis Padang 25163, West Sumatera, Indonesia;2. Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;1. Institut Préparatoires aux Etudes d?Ingénieurs d?El-Manar, Université Tunis El Manar, Campus Universitaire, El Manar 2092, Tunisia;2. Laboratoire de Photovoltaïque, Centre de Recherches et des Technologies de l?Energie, Technopole Borj Cedria, Bp 95, Hammamm lif 2050, Tunisia;1. Department of Environmental Engineering, Kumoh National Institute of Technology Daehak-ro 61, Gumi, Gyeongbuk 730-701, Republic of Korea;2. Marine Energy Convergence & Integration Laboratory Jeju Global Research Center Korea Institute of Energy Research, Republic of Korea;3. Department of Eco-Machinery Systems, Environmental and Energy Systems Research Division, 156 Gajeongbuk-ro, Yuseong, Daejeon 305-343, Republic of Korea;4. Rare Metals Research Division Korea institute of Geoscience & Mineral Resources Daejeon 305-350, Republic of Korea;5. School of Applied Biosciences Kyungpook National University Korea Institute of Energy Research, Republic of Korea Daegu 702-701, Republic of Korea;1. Department of Physics, Govt. Holkar Science College, M.P. 452001, India;2. Department of Physics, Prestige Institute of Engineering Management & Research Indore, M.P. 452001, India;1. Sakarya University, Biomedical, Magnetic and Semiconductor Materials Research Center (BIMAS-RC), 54187 Sakarya, Turkey;2. Sakarya University, Science & Arts Faculty, Department of Chemistry, 54187 Sakarya, Turkey;3. Bulent Ecevit University, Science and Technology Research and Application Center (ARTMER), 67100 Zonguldak, Turkey;4. Bulent Ecevit University, Science & Arts Faculty, Department of Chemistry, 67100 Zonguldak, Turkey;1. Chemical Engineering Department, Minia University, El-Minia, Egypt;2. Collage of Applied Science, Department of Engineering, Sohar 311, Oman;3. New & Renewable Energy Material Development Center (NewREC), Chonbuk National University, Jeonbuk 561-756, Republic of Korea;4. Organic Materials and Fiber Engineering Dept., Chonbuk National University, Jeonju 561-756, South Korea |
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| Abstract: | Two-dimensional nanowall of Cu-doped TiO2 (CuTNW) has been prepared in this work to study the role of Cu doping on its photoactivity properties and its photovoltaic performance as photoanode in a dye-sensitized solar cell (DSSC). TiO2 nanowall with five Cu ion doping, i.e. 6.25, 12.5, 25.0, 50.0 and 100.0 mM, were prepared via a liquid-phase deposition method using ammoniumhexafluorotitanate and hexamethylenetetramine as the reagents with a growth temperature of 90 °C. The X-Ray Diffraction (XRD), X-ray energy dispersion (EDX) and diffuse optical reflectance spectroscopy analysis results confirmed the successfulness of the Cu doping process in the TiO2 nanowall and effective modification on the photoactivity of the TiO2 nanowall. We found that the power conversion efficiency of the DSSC utilizing TiO2 nanowall as photoanode can be enhanced up to 2 times, i.e. from 0.2% to 0.44%, when the TiO2 nanowall doped with Cu ion. The nanostructure preparation, device fabrication and the mechanism for the device performance enhancement will be discussed. |
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| Keywords: | Nanowall Porous DSSCs Photoactivity |
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