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Effect on Photoelectric Properties of DSSCs with Fe, Ni, Ag Ions
Implantation by MEVVA |
| LUO Jun, SHEN Xiaonan, PANG Pan, LIAO Bin, WU Xianying, ZHANG Xu
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Key Laboratory of Ministry of Education for Radiation Beam Technology and Material Modification, Institute of Nuclear
Science and Technology, Beijing Normal University, Beijing 100875 |
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Abstract Fe, Ni, Ag ions-implanted DSSCs were successfully prepared via MEVVA technology. Surface morphology and crystal structure were characterized by SEM and XRD, and photoelectric properties and charge transport were measured by I-V test and electrochemical impedance, respectively. According to band theory, the band structure of TiO2 was changed and impurity levels were introduced in band gap after metal ions implantation, which optimized the matching rate between the conduction band of TiO2 and LUMO levels of dye. Moreover, the impurity level provided extra “channel” for charge transferring, which reduced charge recombination. Compared with un-implanted cells, the photoelectric conversion efficiencies of Fe, Ni, Ag ions implanted DSSCs were improved by 13.6%,12.7% and 34.2%, respectively.
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Published: 02 May 2018
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1 O′regan B, Grtzel M. A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films [J]. Nature,1991,353:737.
2 Grtzel M. Photoelectrochemical cells [J]. Nature,2001,414:338.
3 Cheng H, Dong J Z, et al. Infection of oxygen vacancy at the TiO2 surface for film electrode rup2p/TiO2/ITO photo-induced charge transfer [J]. Acta Phys Chim Sin,2012,28:850.
4 Im J S, Lee S K, Lee Y S. Cocktail effect of Fe2O3 and TiO2 semiconductors for a high performance dye-sensitized solar cell [J]. Appl Surf Sci,2011,257:2164.
5 Dearnaley G. Ion beam modification of metals [J]. Nucl Instrum Methods Phys Res B,1990,50:358.
6 Hou X G, Liu A D, Liao B, et al. First-principles band calculations on electronic structures of Ag-doped rutile and anatase TiO2 [J]. Chin Phys Lett,2009,26:077106.
7 Qin L Z, Liang H, Liao B, et al. Photocatalytic performance of Fe-, Ni-, or Cu- ion implanted TiO2 films under UV light, visible light and sunlight irradiation [J]. Nucl Instrum Methods Phys Res B,2013,307:385.
8 Shalana A E, Rashadain M M. Corporation of Mn2+ and Co2+ to TiO2 nanoparticles and the performance of dye-sensitized solar cells [J].Appl Surf Sci,2013,283:975.
9 Luo J, Zhou J W, Chen Y G, et al. Effects of Ag-ion implantation on the performance of dsscs with a tri-layer TiO2 films [J]. RSC Adv,2014,4:56318.
10 Luo J, Yang W G, Chen Y G, et al. Improved photovoltaic perfor-mance of dye-sensitized solar cells by carbon-ion implantation of tri-layer titania film electrondes [J]. Rare Met,2015,34:34.
11 Zhang T, Wang X Y, et al. Behaviour of MEVVA metal ion implantation for surface modification of materials [J]. Surf Coat Technol,1996,83:280.
12 Liu A D, Zhang H X, Zhang T H. MEVVA ion source development and its industrial applications at beijing normal university [J]. Surf Coat Technol,2005,193:65.
13 Ghicov A, Macak J M, et al. Ion implantation and annealing for an efficient N-doping of TiO2 nanotubes [J]. Nano Lett,2006,5:1080.
14 Olsen E, Hagen G, Lindquist S E. Dissolution of platinum in methoxy propionitrile containing LiI/I2[J].Sol Energy Mater Sol Cells,2000,63:267.
15 Romero-Gomez P, Palmero A, Yubero F, et al. Surface nanostructuring of TiO2 thin films by ion beam irradiation [J]. Scr Mater,2009,60:574.
16 Hachiya A, Takata S, et al. Effects of V- ion doping on the photoelectrochemical properties of epitaxial TiO2 (110) thin films on Nb-doped TiO2 (110) single crystals [J]. J Phys Chem C,2012,116:16951.
17 Zhang J, Peng W Q, et al. Effect of cerium doping in the TiO2 photoanode on the electron transport of dye-sensitized solar cells [J]. J Phys Chem C,2012,116:19182.
18 Jin E M, Zhao X G, Park J Y, et al. Enhancement of the photoelectric performance of dye-sensitized solar cells using Ag-doped TiO2 nanofibers in a TiO2 film as electrode [J]. Nanosc Res Lett,2012,7:97.
19 Li Y, Zhuang Q C, et al. Electrical impedance spectroscopy analysis on the electrode interface of dye-sensitized solar cells [J]. J Funct Mater,2013(10):1385(in Chinese).
李艳,庄全超,等.染料敏化太阳能电池电极界面特性的电化学阻抗谱研究[J].功能材料,2013(10):1385.
20 Wang M, Zhao F, Dong S. A single ionic conductor based on nafion and its electrochemical properties used as lithium polymer electrolyte [J]. J Phys Chem B,2004,108:1365.
21 Hauch A,Georg A. Diffusion in the electrolyte and charge-transfer reaction at the platinum electrode in dye-sensitized solar cells [J]. Electrochim Acta,2001,46:3457.
22 Wang M K, Chen P, Grtzel M, et al. The influence of charge transport and recombination on the performance of dye-sensitized solar cells [J]. ChemPhysChem,2009,10:290.
23 Wang Q, Moser J E, Grtzel M. Electrochemical impedance spectroscopic analysis of dye-sensitized solar cells [J]. J Phys Chem B,2005,109:14945.
24 Petersen M, Wagner F, Hufnagel L, et al. Improving the efficiency of FP-LAPW calculations [J]. Comput Phys Commun,2000,126:294.
25 Yamashita H, Harada M, Misaka J, et al. Degradation of propanol diluted in water under visible light irradiation using metal ion-implanted titanium dioxide photocatalysts [J]. J Photochem Photobiol A,2002,148:257.
26 Yu J G, Xiang Q J, Zhou M H. Preparation, characterization and visible-light-driven photocatalytic activity of Fe-doped titania nanorods and first-principles study for electronic structures [J]. Appl Catal B: Environ,2009,90:595.
27 Kim Y S, Chung Y C, Lee K S. The electronic structure of Ni doped rutile TiO2 [J]. J Electroceram Soc,2006,17:951.
28 Wei Q H, Wen W, Ding Y, et al. Fe-doped trititanate nanotubes: Formation, optical and magnetic properties, and catalytic applications [J].J Phys Chem C,2007,111:14339.
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2017, Vol. 31 
