采用溶胶-凝胶法制备了ZnWO4粉体,研究了其在染料敏化太阳能电池(DSSCs)中的光电性能.使用XRD和SEM对粉体的结构和形貌进行表征,讨论了煅烧温度对ZnWO4在DSSCs中的光电性能影响.结果表明,随着煅烧温度升高,结晶趋于完整；煅烧温度对ZnWO4粉体颗粒的粒径,形貌和光电性能都有较大的影响；煅烧温度为600℃时制备的ZnWO4组装的DSSCs光电性能比较好,开路电压(Voc),短路电流(Isc)和转换效率(η)分别为481mV,0.114 mA/cm2和0.21％.
参考文献
| [1] | O Regan B;Gratzel M .A Low-cost,High-efficiency Solar Cell Based on Dye-sensitized Colloidal TiO2 Films[J].Nature,1991,353:737-740. |
| [2] | Y. Wang;Y. Hao .The photoelectrochemistry of transition metal-ion-doped TiO2 nanocrystalline electrodes and higher solar cell conversion efficiency based on Zn2+-doped TiO2 electrode[J].Journal of Materials Science,1999(12):2773-2779. |
| [3] | Olea A.;Sebastian PJ. .(Zn, Cd)S porous layers for dye-sensitized solar cell application[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,1998(1/2):149-156. |
| [4] | Turkovic A.;Orel ZC. .DYE-SENSITIZED SOLAR CELL WITH CEO2 AND MIXED CEO2/SNO2 PHOTOANODES[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,1997(3):275-281. |
| [5] | Guo P;Aegenter M A .Ru (Ⅱ) Sensitized Nb2O5 Solar Cell Made by the Sol-gel Process[J].Thin Solid Films,1999,351:290-294. |
| [6] | Poznyak S K;Kulak A I .Characterization and Photoelectrochemical Properties of Nanocrystalline In2O3 Film Electrode[J].Electrochimica Acta,2000,45:1595-1605. |
| [7] | Kitiyanan A;Yoshikawa S .The Use of ZrO2 mixed TiO2 Nanostructures as Efficient Dye-sensitized Solar Cells'electrode[J].Materials Letters,2005,59(29,30):4038-4040. |
| [8] | Yoshida Y;Tokashiki S;Kubota K;Shiratuchi R;Yamaguchi Y;Kono M;Hayase S .Increase in photovoltaic performances of dye-sensitized solar cells - Modification of interface between TiO2 nano-porous layers and F-doped SnO2 layers[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2008(6):646-650. |
| [9] | Lee, J.-H.;Park, N.-G.;Shin, Y.-J. .Nano-grain SnO_2 electrodes for high conversion efficiency SnO_2DSSC[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2011(1):179-183. |
| [10] | 张林森,李素珍,王力臻,董会超.电沉积制备的ZnO薄膜在染料敏化太阳能电池中光电性能的研究[J].人工晶体学报,2010(04):988-992. |
| [11] | Rui Shi;Yajun Wang;Di Li .Synthesis of ZnWO4 nanorods with [100] orientation and enhanced photocatalytic properties[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2010(1/2):173-178. |
| [12] | Sun, H.;Fan, W.;Li, Y.;Cheng, X.;Li, P.;Zhao, X. .Origin of the improved photo-catalytic activity of F-doped ZnWO 4: A quantum mechanical study[J].Journal of Solid State Chemistry,2010(12):3052-3057. |
| [13] | Montini, T.;Gombac, V.;Hameed, A.;Felisari, L.;Adami, G.;Fornasiero, P. .Synthesis, characterization and photocatalytic performance of transition metal tungstates[J].Chemical Physics Letters,2010(1/3):113-119. |
| [14] | He D Q;Zhang X R;Xie T F et al.Studies of Photo-induced Charge Transfer Prioperties of ZnWO4 Photocatalyst[J].Applied Surface Science,2011,257:2327-2331. |
| [15] | Hoshikawa T;Yamada M;Kikuchi R;Eguchi K .Impedance analysis for dye-sensitized solar cells with a three-electrode system[J].Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry,2005(2):339-348. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%