这是本人博后期间的工作，得到Xerox公司的支持。打印机普遍采用电晕放电等离子体作为荷电工具，与此同时会产生大量的臭氧形成污染。臭氧的生产与等离子体区域体积有关，受此启发，作者在金属丝表面生长石墨烯，通过石墨烯边缘降低起晕电压，形成众多纳米尺寸的等离子体，有效降低臭氧排放。请同行批评指正。

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Zheng Bo，Kehan Yu, Ganhua Lu, Shumao Cui, Shun Mao, Junhong Chen, 2011, Vertically oriented graphene sheets grown on metallic wires for greener corona discharges: lower power consumption and minimized ozone emission, Energy & Environmental Science, 4(7), 2525-2528.

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摘要：

Vertically oriented graphene-coated metallic wire is used as a corona discharge electrode. The discharge starts with a ‘graphene discharge stage’ and then transits to a ‘wire discharge stage’. Compared with conventional practice employing macro- or microsized electrodes, discharges from graphene sheets feature lower power consumption and significantly reduced ozone emission.