CAJ | 학술논문

由于石墨烯的二维结构以及其超高的比表面积，因此石墨烯可以感应到一个分子量级的变化，这使得其在气体传感方面具有很大的优势。文章通过计算和分析了石墨烯与二氧化氮的系统的能带结构，态密度和电荷分布情况来说明石墨烯吸附二氧化氮后的特性变化。这有助于进一步了解了石墨烯的特性，同时进一步推动石墨烯传感的发展。
유우석묵희적이유결구이급기초고적비표면적，인차석묵희가이감응도일개분자량급적변화，저사득기재기체전감방면구유흔대적우세。문장통과계산화분석료석묵희여이양화담적계통적능대결구，태밀도화전하분포정황래설명석묵희흡부이양화담후적특성변화。저유조우진일보료해료석묵희적특성，동시진일보추동석묵희전감적발전。
Graphene can sense even a molecule’ s change due to its unique two-dimensional structure with high specific surface area.Through the calculation and analysis, we have studied properties of graphene.And the band structure, charge distribution and DOS of the molecule–graphene adsorption systems are calculated to verify the effects of the adsorption of nitrogen dioxide ( NO2 ) molecule on the graphene’ s electronic properties. The results support our idea, these works would contribute to understand the properties of the graphene and pro-vide an idea of graphene based NO2 gas sensor.