Zhipeng Tian
Nanjing University
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Publication
Featured researches published by Zhipeng Tian.
Journal of Photochemistry and Photobiology B-biology | 2010
Lei Liu; Peng Miao; Yuanyuan Xu; Zhipeng Tian; Zhigang Zou; Genxi Li
The increasing incidence of cancer all over the world demands new, effective and secure materials for treatment. In this paper, we propose Pt/TiO(2) nanocomposite for cancer-cell treatment because noble metal nanoparticles are supposed to enhance the photocatalytic activity of TiO(2) nanoparticles. To evaluate the cancer-cell killing effect of our Pt/TiO(2) nanocomposite, TiO(2) and Au/TiO(2) nanoparticles are also introduced. The prepared Pt/TiO(2) nanocomposite are characterized with transmission electron microscopy (TEM) and UV-vis adsorption spectra. Results of cell treatment indicate that Pt/TiO(2) nanocomposite, as extremely stable metal-semiconductor nanomaterial, can exhibit a very high photodynamic efficiency under a mild ultraviolet radiation. And our Pt/TiO(2) nanocomposite shows to be more effective in cancer-cell treatment than TiO(2) and Au/TiO(2) nanoparticles. As a result, Pt/TiO(2) nanocomposite may be supposed to have a promising application for cancer-cell treatment.
Nanotechnology | 2010
Xiangyan Wang; Zhipeng Tian; Tao Yu; Hanmin Tian; Jiyuan Zhang; Shikui Yuan; Xiaobo Zhang; Zhaosheng Li; Zhigang Zou
A highly (110)-oriented ZnO porous nanosheet framework is designed as the photoanode in photoelectrochemical systems, by virtue of its anisotropic electronic properties. It can be facilely prepared in large scale via a hydrothermal method. X-ray diffraction (XRD) analyses show that the orientation index of the (110) diffraction plane is 3.54, indicating the films possess (110) preferred orientation. Field-emission scanning electron microscope (FE-SEM) images exhibit that most of the nanosheets stand nearly perpendicularly on the substrate. The {002} lattice planes work just like conducting wires and induce the electrons to transport to the substrate. Chronoamperometry measurement demonstrates an effective electron collection. When the nanostructured photoanode is introduced to dye-sensitized solar cells, a conversion efficiency of 3.7% is obtained. The photoanode also has potential application in the other photoelectrochemical systems, such as photocatalytical splitting of water.
Applied Physics Letters | 2009
Zhipeng Tian; Hanmin Tian; Xiangyan Wang; Shikui Yuan; Jiyuan Zhang; Xiaobo Zhang; Tao Yu; Zhigang Zou
Multilayer structure was prepared in a dye-sensitized solar cell work electrode by enlarging the porosity in each layer being coated on the fluorine-doped tin oxide transparent conducting glass from bottom to top. The multilayer structure exhibits an improved light scattering character, which resulted in better light harvesting of the cell. An obvious improvement in short circuit current is obtained. I-V characteristic measurement indicates an improved efficiency by 13% as compared to homogeneous pore-size samples. Diffuse reflectance spectra, scanning electron microscope images, and porosity measurements demonstrate that larger porosity is the cause of enhanced light scattering.
Materials Letters | 2013
Xiaobo Zhang; Hanmin Tian; Xiangyan Wang; Guogang Xue; Zhipeng Tian; Jiyuan Zhang; Shikui Yuan; Tao Yu; Zhigang Zou
Archive | 2010
Jiyuan Zhang; Xiaobo Zhang; Shikui Yuan; Zhigang Zou; Hanmin Tian; Zhipeng Tian; Xiangyan Wang; Tao Yu
Archive | 2010
Tao Yu; Zhipeng Tian; Guogang Xue; Zhigang Zou; Shikui Yuan; Xiangyan Wang; Hanmin Tian; Xiaobo Zhang; Jiyuan Zhang
Archive | 2007
Zhigang Zou; Bin Liu; Hanmin Tian; Zhipeng Tian; Tao Yu
Archive | 2011
Tao Yu; Guogang Xue; Hanmin Tian; Zhipeng Tian; Zhigang Zou
Archive | 2009
Zhigang Zou; Shikui Yuan; Hanmin Tian; Zhipeng Tian; Xiaobo Zhang; Xiangyan Wang; Jiyuan Zhang; Tao Yu
Archive | 2009
Zhigang Zou; Hanmin Tian; Jiyuan Zhang; Shikui Yuan; Xiaobo Zhang; Xiangyan Wang; Zhipeng Tian; Guogang Xue; Tao Yu