Dye-Sensitized Solar Cells Employing a Multifunctionalized Hierarchical SnO2 Nanoflower Structure Passivated by TiO2 Nanogranulum

作者: Haihong Niu , Shouwei Zhang , Renbao Wang , Zhiqiang Guo , Xin Shang

DOI: 10.1021/JP409203W

关键词: NanoflowerMaterials scienceTransmission electron microscopyScanning electron microscopeNanotechnologyBarrier layerMicrostructureChemical engineeringDye-sensitized solar cellNanosheetNanorod

摘要: We investigated a facile multifunctionalized hierarchical SnO2 nanoflower photoelectrode passivated by layer of TiO2 nanogranulum. The with thin nanorod and nanosheet has unique morphology that can afford excellent electron transport properties—orientation overall, which results in significant diminution the charge diffusion route rapid collection FTO substrate. photoanode not only improved distribution dyes reduced surface defects to accommodate more dyes, but also suppressed recombination prolonged lifetime introducing barrier layer. microstructure sample was X-ray diffraction (XRD), scanning microscopy (SEM) transmission (TEM). areas (SBET) pore size were detected on BET measurement. amounts dye calculated from UV–vis. interfacial transfer proc...

参考文章(36)
Jin-Yun Liao, Bing-Xin Lei, Hong-Yan Chen, Dai-Bin Kuang, Cheng-Yong Su, Oriented hierarchical single crystalline anatase TiO2 nanowire arrays on Ti-foil substrate for efficient flexible dye-sensitized solar cells Energy and Environmental Science. ,vol. 5, pp. 5750- 5757 ,(2012) , 10.1039/C1EE02766B
Yu-Fen Wang, Jian-Wen Li, Yuan-Fang Hou, Xiao-Yun Yu, Cheng-Yong Su, Dai-Bin Kuang, Hierarchical tin oxide octahedra for highly efficient dye-sensitized solar cells. Chemistry: A European Journal. ,vol. 16, pp. 8620- 8625 ,(2010) , 10.1002/CHEM.201001333
Hyung Jun Koo, Yong Joo Kim, Yoon Hee Lee, Wan In Lee, Kyungkon Kim, Nam Gyu Park, Nano‐embossed Hollow Spherical TiO2 as Bifunctional Material for High‐Efficiency Dye‐Sensitized Solar Cells Advanced Materials. ,vol. 20, pp. 195- 199 ,(2008) , 10.1002/ADMA.200700840
Christiaan Richter, Charles A. Schmuttenmaer, Exciton-like trap states limit electron mobility in TiO2 nanotubes Nature Nanotechnology. ,vol. 5, pp. 769- 772 ,(2010) , 10.1038/NNANO.2010.196
Won Seok Chi, Dong Kyu Roh, Sang Jin Kim, Sung Yeon Heo, Jong Hak Kim, Hybrid electrolytes prepared from ionic liquid-grafted alumina for high-efficiency quasi-solid-state dye-sensitized solar cells Nanoscale. ,vol. 5, pp. 5341- 5348 ,(2013) , 10.1039/C3NR00291H
Arthur J. Frank, Jin Young Kim, Jun Hong Noh, Kai Zhu, Adam F. Halverson, Nathan R. Neale, Sangbaek Park, Kug Sun Hong, General Strategy for Fabricating Transparent TiO2 Nanotube Arrays for Dye-Sensitized Photoelectrodes: Illumination Geometry and Transport Properties ACS Nano. ,vol. 5, pp. 2647- 2656 ,(2011) , 10.1021/NN200440U
Cen Wang, Yun Zhou, Mingyuan Ge, Xiaobin Xu, Zaoli Zhang, J. Z. Jiang, Large-Scale Synthesis of SnO2 Nanosheets with High Lithium Storage Capacity Journal of the American Chemical Society. ,vol. 132, pp. 46- 47 ,(2010) , 10.1021/JA909321D
Michael Grätzel, Photoelectrochemical cells : Materials for clean energy Nature. ,vol. 414, pp. 338- 344 ,(2001)
Z. M. Jarzebski, J. P. Marton, Physical Properties of SnO2 Materials II . Electrical Properties Journal of The Electrochemical Society. ,vol. 123, ,(1976) , 10.1149/1.2133090
Barbara Falabretti, John Robertson, Electronic structures and doping of SnO2, CuAlO2, and CuInO2 Journal of Applied Physics. ,vol. 102, pp. 123703- ,(2007) , 10.1063/1.2822274