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Electrical and optical properties of binary CN x nanocone arrays synthesized by plasma-assisted reaction deposition

Xujun Liu, Leilei Guan, Xiaoniu Fu, Yu Zhao, Jiada Wu and Ning Xu*

Author Affiliations

Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, People's Republic of China

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Nanoscale Research Letters 2014, 9:135  doi:10.1186/1556-276X-9-135

Published: 21 March 2014


Light-absorbing and electrically conductive binary CNx nanocone (CNNC) arrays have been fabricated using a glow discharge plasma-assisted reaction deposition method. The intact CNNCs with amorphous structure and central nickel-filled pipelines could be vertically and neatly grown on nickel-covered substrates according to the catalyst-leading mode. The morphologies and composition of the as-grown CNNC arrays can be well controlled by regulating the methane/nitrogen mixture inlet ratio, and their optical absorption and resistivity strongly depend on their morphologies and composition. Beside large specific surface area, the as-grown CNNC arrays demonstrate high wideband absorption, good conduction, and nice wettability to polymer absorbers.