| 分级微纳结构ZnO空心球的制备及其光电转换性能 |
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| 引用本文： | 王湘艳,王治强,田汉民,张继远,于 涛,于振涛,邹志刚. 分级微纳结构ZnO空心球的制备及其光电转换性能[J]. 无机化学学报, 2009, 25(11): 1893-1897 |
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| 作者姓名： | 王湘艳 王治强 田汉民 张继远 于 涛 于振涛 邹志刚 |
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| 作者单位： | 1. 南京大学环境材料与再生能源研究中心,南京,210093;南京大学材料科学与工程系,南京,210093;南京大学固体微结构物理国家重点实验室,南京,210093
2. 南京大学环境材料与再生能源研究中心,南京,210093;南京大学物理系,南京,210093;南京大学固体微结构物理国家重点实验室,南京,210093 |
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| 基金项目： | 国家自然科学基金，江苏省自然科学基金 |
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| 摘 要： | 以醋酸锌为锌源，二甘醇为溶剂，通过一种改进的溶剂热法制备出具有分级微纳结构的ZnO空心球。X射线衍射(XRD)，扫描电子显微术(SEM)，N2吸附脱附等表征结果显示此ZnO材料的初级结构为纳米颗粒，次级结构为该纳米颗粒构筑的微米级多分散小球。聚焦离子束(FIB)切割实验表明，小球内部为中空结构。这种新颖的复合结构应用于染料敏化太阳电池(DSSC)领域，有两大优势：其初级结构提供了大的比表面以吸附更多染料分子，同时其次级结构和孔结构可以起到光散射中心的作用，提高光的利用率，从而最终提高了电池的光电转换效率。
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| 关 键 词： | 氧化锌； 分级结构； 空心球； 染料敏化太阳电池 |
Preparation of Hollow ZnO Spheres with Hierarchical Micro/Nano Architectures and Photoelectric Conversion Property |
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| WANG Xiang-Yan,WANG Zhi-Qiang,TIAN Han-Min,ZHANG Ji-Yuan,YU Tao,YU Zhen-Tao and ZOU Zhi-Gang. Preparation of Hollow ZnO Spheres with Hierarchical Micro/Nano Architectures and Photoelectric Conversion Property[J]. Chinese Journal of Inorganic Chemistry, 2009, 25(11): 1893-1897 |
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| Authors: | WANG Xiang-Yan WANG Zhi-Qiang TIAN Han-Min ZHANG Ji-Yuan YU Tao YU Zhen-Tao ZOU Zhi-Gang |
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| Affiliation: | Eco-materials and Renewable Energy Research Center, Nanjing University, Nanjing 210093; Department of Materials Science and Engineering, Nanjing University, Nanjing 210093; National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093,Eco-materials and Renewable Energy Research Center, Nanjing University, Nanjing 210093; Department of Physics, Nanjing University, Nanjing 210093; National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093,Eco-materials and Renewable Energy Research Center, Nanjing University, Nanjing 210093; Department of Materials Science and Engineering, Nanjing University, Nanjing 210093; National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093,Eco-materials and Renewable Energy Research Center, Nanjing University, Nanjing 210093; Department of Physics, Nanjing University, Nanjing 210093; National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093,Eco-materials and Renewable Energy Research Center, Nanjing University, Nanjing 210093; Department of Physics, Nanjing University, Nanjing 210093; National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093,Eco-materials and Renewable Energy Research Center, Nanjing University, Nanjing 210093; Department of Materials Science and Engineering, Nanjing University, Nanjing 210093; National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093 and Eco-materials and Renewable Energy Research Center, Nanjing University, Nanjing 210093; Department of Physics, Nanjing University, Nanjing 210093; National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093 |
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| Abstract: | Hollow ZnO spheres with hierarchical micro/nanoarchitectures were prepared by a modified solvothermal method using zinc acetate as zinc source and diethylene glycol as solvent. X-ray diffraction (XRD), scanning electron microscope (SEM) and N2 adsorptiondesorption show that they are polydisperse microspheres consisting of many primary nanoparticles. Hollow structures can be observed when a sphere is split by focused ion beam (FIB). The application of this novel complex architecture to dye-sensitized solar cell (DSSC) leads to two benefits: the secondary structures can function as light scattering centers, while primary structures provide large surface area. |
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| Keywords: | zinc oxide hierarchical architectures hollow spheres dye-sensitized solar cell |
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