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A carbonaceous thin film was made by CVD of 2,5-dimethyl-p-benzoquinone at temperatures between 500 and 1000°C and its structural and electronic properties have been studied. The carbonaceous thin film made at 500°C has a energy bandgap of 0.25-0.3 eV and a positive Hall coefficient of 5 10 -5 m 3 C -1 belong to a p-type semiconductor. A photovoltaic cell with...
The electrical conductivity, Hall coefficient, carrier density, carrier mobility and optical band-gap of carbonaceous films made by chemical vapor deposition (CVD) of 2.5 -dimethyl-p-benzoquinone between 500 and 1000°C were measured. Based on these results, the electronic properties for the carbonaceous films have been studied, and the following conclusions could be reached. (1) The carbonaceous...
It was reported that a photovoltaic cell with carbonaceous film/n-type silicon (C/n-Si was fabricated utilizing a process in which a carbonaceous film was deposited on an n-type silicon substrate by chemical vapor deposition (CVD) of 2,5- dimethyl-p-benzoquinone at 500°C. The purpose of this work is to study preparation and structure of the carbonaceous film. In this study, the carbonaceous films...
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