Sensitization of TiO2 nanotube array photoelectrodes with MnxCdySe
作者： Ruchi Gakhar , Kodi Summers , Rishubh Palaniappan , Satyananda Kishore Pilli , Dev Chidambaram
DOI: 10.1039/C4RA06345G
关键词: Materials science 、 Anode 、 Heterojunction 、 Nanocrystal 、 Nanotechnology 、 Photocurrent 、 Adsorption 、 Absorption spectroscopy 、 Electrode 、 Annealing (metallurgy) 、 Chemical engineering
摘要: The photoanode obtained by the deposition of MnxCdySe nanocrystals onto TiO2 nanotube arrays using a successive ionic layer adsorption and reaction technique realized significant improvement in charge transport current generation compared with pristine based anode. concentration manganese was determined to be 10% cadmium, thus x = 0.1y. widening absorption spectra magnitude photocurrent density were found significantly affected variation number SILAR cycles annealing temperature. A stable ∼8 mA cm−2 under AM 1.5 illumination (1 sun) achieved for nanocrystals-embedded heterostructure photoelectrodes prepared through 9 deposition, followed at 400 °C nitrogen atmosphere. results suggest versatility MnxCdySe-sensitized matrix as an efficient electrode photovoltaic applications.
rsc.org
sci-hub.se 参考文章(46)
Shang-Di Mo, W. Y. Ching, Electronic and optical properties of three phases of titanium dioxide: Rutile, anatase, and brookite Physical Review B. ,vol. 51, pp. 13023- 13032 ,(1995) , 10.1103/PHYSREVB.51.13023
R. Beranek, H. Hildebrand, P. Schmuki, Self-Organized Porous Titanium Oxide Prepared in H 2 SO 4 / HF Electrolytes Electrochemical and Solid State Letters. ,vol. 6, ,(2003) , 10.1149/1.1545192
Zheshuai Lin, Alexander Orlov, Richard M. Lambert, Michael C. Payne, New insights into the origin of visible light photocatalytic activity of nitrogen-doped and oxygen-deficient anatase TiO2. Journal of Physical Chemistry B. ,vol. 109, pp. 20948- 20952 ,(2005) , 10.1021/JP053547E
K MURALI, A AUSTINE, B JAYASUTHA, D TRIVEDI, Photoelectrochemical cells based on CdSe films brush plated on high-temperature substrates Solar Energy Materials and Solar Cells. ,vol. 90, pp. 753- 759 ,(2006) , 10.1016/J.SOLMAT.2005.04.012
Qingyao Wang, Xiuchun Yang, Lina Chi, Miaomiao Cui, Photoelectrochemical performance of CdTe sensitized TiO2 nanotube array photoelectrodes Electrochimica Acta. ,vol. 91, pp. 330- 336 ,(2013) , 10.1016/J.ELECTACTA.2012.12.117
N. Sobana, M. Muruganadham, M. Swaminathan, Nano-Ag particles doped TiO2 for efficient photodegradation of Direct azo dyes Journal of Molecular Catalysis A: Chemical. ,vol. 258, pp. 124- 132 ,(2006) , 10.1016/J.MOLCATA.2006.05.013
Axel Kahnt, Christian Oelsner, Fabian Werner, Dirk M Guldi, Sergiu P Albu, Robin Kirchgeorg, Kiyoung Lee, Patrik Schmuki, None, Excited state properties of anodic TiO2 nanotubes Applied Physics Letters. ,vol. 102, pp. 233109- ,(2013) , 10.1063/1.4810762
Jinbo Xue, Qianqian Shen, Wei Liang, Xuguang Liu, Fei Yang, Photosensitization of TiO2 nanotube arrays with CdSe nanoparticles and their photoelectrochemical performance under visible light Electrochimica Acta. ,vol. 97, pp. 10- 16 ,(2013) , 10.1016/J.ELECTACTA.2013.03.004
V Zwilling, M Aucouturier, E Darque-Ceretti, Anodic oxidation of titanium and TA6V alloy in chromic media. An electrochemical approach Electrochimica Acta. ,vol. 45, pp. 921- 929 ,(1999) , 10.1016/S0013-4686(99)00283-2
Zhongbiao Wu, Fan Dong, Weirong Zhao, Haiqiang Wang, Yue Liu, Baohong Guan, The fabrication and characterization of novel carbon doped TiO2 nanotubes, nanowires and nanorods with high visible light photocatalytic activity. Nanotechnology. ,vol. 20, pp. 235701- 235701 ,(2009) , 10.1088/0957-4484/20/23/235701