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598 results on '"WANG Kunlin"'

201. Suspended, Straightened Carbon Nanotube Arrays by Gel Chapping

Author

Ji, Chunyan, primary, Li, Hongbian, additional, Zhang, Luhui, additional, Liu, Yu, additional, Li, Yan, additional, Jia, Yi, additional, Li, Zhen, additional, Li, Peixu, additional, Shi, Enzheng, additional, Wei, Jinquan, additional, Wang, Kunlin, additional, Zhu, Hongwei, additional, Wu, Dehai, additional, and Cao, Anyuan, additional

Published
2011
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212. Carbon Nanotube and CdSe Nanobelt Schottky Junction Solar Cells

Author

Zhang, Luhui, primary, Jia, Yi, additional, Wang, Shanshan, additional, Li, Zhen, additional, Ji, Chunyan, additional, Wei, Jinquan, additional, Zhu, Hongwei, additional, Wang, Kunlin, additional, Wu, Dehai, additional, Shi, Enzheng, additional, Fang, Ying, additional, and Cao, Anyuan, additional

Published
2010
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214. Graphene‐On‐Silicon Schottky Junction Solar Cells

Author

Li, Xinming, primary, Zhu, Hongwei, additional, Wang, Kunlin, additional, Cao, Anyuan, additional, Wei, Jinquan, additional, Li, Chunyan, additional, Jia, Yi, additional, Li, Zhen, additional, Li, Xiao, additional, and Wu, Dehai, additional

Published
2010
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218. Carbon Nanotube Sponges

Author

Gui, Xuchun, primary, Wei, Jinquan, additional, Wang, Kunlin, additional, Cao, Anyuan, additional, Zhu, Hongwei, additional, Jia, Yi, additional, Shu, Qinke, additional, and Wu, Dehai, additional

Published
2010
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227. Graphene sheets from worm-like exfoliated graphite

Author

Gu, Wentian, primary, Zhang, Wei, additional, Li, Xinming, additional, Zhu, Hongwei, additional, Wei, Jinquan, additional, Li, Zhen, additional, Shu, Qinke, additional, Wang, Chen, additional, Wang, Kunlin, additional, Shen, Wanci, additional, Kang, Feiyu, additional, and Wu, Dehai, additional

Published
2009
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229. Nanotube-Silicon Heterojunction Solar Cells

Author

Jia, Yi, primary, Wei, Jinquan, additional, Wang, Kunlin, additional, Cao, Anyuan, additional, Shu, Qinke, additional, Gui, Xuchun, additional, Zhu, Yanqiu, additional, Zhuang, Daming, additional, Zhang, Gong, additional, Ma, Beibei, additional, Wang, Liduo, additional, Liu, Wenjin, additional, Wang, Zhicheng, additional, Luo, Jianbin, additional, and Wu, Dehai, additional

Published
2008
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241. Double-Walled Carbon Nanotube Solar Cells

Author

Wei, Jinquan, primary, Jia, Yi, additional, Shu, Qinke, additional, Gu, Zhiyi, additional, Wang, Kunlin, additional, Zhuang, Daming, additional, Zhang, Gong, additional, Wang, Zhicheng, additional, Luo, Jianbin, additional, Cao, Anyuan, additional, and Wu, Dehai, additional

Published
2007
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242. Spread of double-walled carbon nanotube membrane

Author

Jia, Yi, primary, Wei, JinQuan, additional, Shu, QinKe, additional, Chang, JianGuo, additional, Wang, KunLin, additional, Wang, ZhiCheng, additional, Luo, JianBin, additional, Liu, WenJin, additional, Zheng, MingXin, additional, and Wu, DeHai, additional

Published
2007
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245. Luminescence of carbon nanotube bulbs

Author

Li, ChuanGang, primary, Wang, KunLin, additional, Wei, JinQuan, additional, Wei, BingQing, additional, Zhu, HongWei, additional, Wang, ZhiCheng, additional, Luo, JianBin, additional, Liu, WenJin, additional, Zheng, MingXin, additional, and Wu, DeHai, additional

Published
2007
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247. TiO2 enhanced ultraviolet detection based on a graphene/Si Schottky diode.

Author

Zhu, Miao, Zhang, Li, Li, Xinming, He, Yijia, Li, Xiao, Guo, Fengmei, Zang, Xiaobei, Wang, Kunlin, Xie, Dan, Li, Xuanhua, Wei, Bingqing, and Zhu, Hongwei

Abstract

Graphene/Si has been proved to form a quality Schottky junction with high photoelectric conversion efficiency at AM 1.5. However, for the ultraviolet portion of the incident light, the photoelectric performance will degrade significantly due to severe absorption and recombination at the front surface. Herein, to realize enhanced ultraviolet detection with a graphene/Si diode, TiO2 nanoparticles (NPs, 3–5 nm) are synthesized and spin-coated on the graphene surface to improve the photoresponse in the ultraviolet region. According to our results, the conversion efficiency of the graphene/Si diode at 420 nm and 350 nm increases by 72.7% and 100% respectively with TiO2 coating. Then C−2–V measurements of both TiO2 and graphene/Si diode are performed to analyze the electronic band structure of the TiO2/graphene/Si system, based on which we finally present the enhancement mechanism of photodetection using TiO2 NPs. [ABSTRACT FROM AUTHOR]

Published
2015
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248. Ultrafast liquid water transport through graphene-based nanochannels measured by isotope labelling.

Author

Sun, Pengzhan, Liu, He, Wang, Kunlin, Zhong, Minlin, Wu, Dehai, and Zhu, Hongwei

Subjects
MASS transfer, WATER, GRAPHENE, PERMEATION tubes, GRAPHENE oxide, NANOTUBES, ISOTOPES, IONS
Abstract

Based on isotope labelling, we found that liquid water can afford an ultrafast permeation through graphene-based nanochannels with a diffusion coefficient 4–5 orders of magnitude greater than in the bulk case. When dissolving ions in sources, the diffusion coefficient of ions through graphene channels lies in the same order of magnitude as water, while the ion diffusion is slightly faster than water, indicating that the ions are mainly transported by water flows and the delicate interactions between ions and nanocapillary walls also take effect in the accelerated ion transportation. [ABSTRACT FROM AUTHOR]

Published
2015
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249. Flexible carbon nanotube/mono-crystalline Si thin-film solar cells.

Author

Sun, Huanhuan, Wei, Jinquan, Jia, Yi, Cui, Xian, Wang, Kunlin, and Wu, Dehai

Subjects
CARBON nanotubes, SILICON films, THIN films spectra, SOLAR cells, FLEXIBILITY (Mechanics)
Abstract

Flexible heterojunction solar cells were fabricated from carbon nanotubes (CNTs) and mono-crystalline Si thin films at room temperature. The Si thin films with thickness less than 50 μm are prepared by chemically etching Si wafer in a KOH solution. The initial efficiency of the thin-film solar cell varies from approximately 3% to 5%. After doping with a few drops of 1 M HNO, the efficiency increases to 6% with a short-circuit current density of 16.8 mA/cm and a fill factor of 71.5%. The performance of the solar cells depends on the surface state and thickness of Si thin films, as well as the interface of CNT/Si. The flexible CNT/Si thin-film solar cells exhibit good stability in bending-recovery cycles. [ABSTRACT FROM AUTHOR]

Published
2014
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250. Structure Evolution of Graphene Oxide during Thermally Driven Phase Transformation: Is the Oxygen Content Really Preserved?

Author

Sun, Pengzhan, Wang, Yanlei, Liu, He, Wang, Kunlin, Wu, Dehai, Xu, Zhiping, and Zhu, Hongwei

Subjects
GRAPHENE oxide, PHASE transitions, PHASE separation, CHEMICAL structure, THERMAL analysis, PHYSIOLOGICAL effects of oxygen
Abstract

A mild annealing procedure was recently proposed for the scalable enhancement of graphene oxide (GO) properties with the oxygen content preserved, which was demonstrated to be attributed to the thermally driven phase separation. In this work, the structure evolution of GO with mild annealing is closely investigated. It reveals that in addition to phase separation, the transformation of oxygen functionalities also occurs, which leads to the slight reduction of GO membranes and furthers the enhancement of GO properties. These results are further supported by the density functional theory based calculations. The results also show that the amount of chemically bonded oxygen atoms on graphene decreases gradually and we propose that the strongly physisorbed oxygen species constrained in the holes and vacancies on GO lattice might be responsible for the preserved oxygen content during the mild annealing procedure. The present experimental results and calculations indicate that both the diffusion and transformation of oxygen functional groups might play important roles in the scalable enhancement of GO properties. [ABSTRACT FROM AUTHOR]

Published
2014
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