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| 1 | Fabrication of single-walled carbon nanotube-based highly sensitive gas sensors显示文摘A highly sensitive single-walled carbon nanotube(SWCNT)-based ammonia(NH3) gas detector is manufactured by orderly assembling SWCNT using the dielectrophoretical(DEP) technology.Atom force microscopy(AFM) and scanning electron microscopy(SEM) images revealed that SWCNTs were assembled between the microelectrodes.SWCNTs were affected by the electrophoretic force which was carried out by the related theoretical analysis in a nonuniform electric field.The SWCNT field effect transistors geometry was obtained.The electrical performance of NH3 gas sensor with the SWCNT field effect transistors geometry was tested before and after the adoption of NH3 at room temperature.Experimental results indicated that the efficient assembly of SWCNT was obtained by the applied alternating current voltage with frequency of 2 MHz and amplitude of 10 V.The SWCNTs-based gas sensor had high sensitivity to NH3,and the electrical conductance of NH3 gas sensor reduced two times after interaction with NH3.The SWCNTs surface gas molecules were removed by means of ultraviolet ray irradiation for 10 min.Hence,the fabricated NH3 gas sensor could be reversible.There is a clear evidence that the adsorption of NH3 on the SWCNT channel is easy to be realized.Our theoretical results are consistent with recent experiments. | XU Ke TIAN XiaoJun WU ChengDong LIU Jian LI MengXin SUN Ying WEI FaNan | 2013 | Science China(Technological Sciences)2013，56，1： | 4 |
| 2 | 聚苯胺衍生的多孔碳纳米管对罗丹明B的吸附性能研究显示文摘以聚苯胺为碳源,通过高温热解和KOH化学活化法制备了多孔聚苯胺碳纳米管(PPN),将其用于吸附罗丹明B(RhB)。PPN具有大的比表面积(2055.30 m^2/g)和孔体积(1.32 cm^3/g),对RhB的吸附容量高达433.30 mg/g。将Langmuir和Freundlich等温吸附模型用于研究PPN吸附RhB过程。实验结果表明,吸附模型更符合Langmuir等温吸附模型,属于均相表面的单分子层可逆吸附。准一级动力学、二级动力学和内颗粒扩散模型研究吸附动力学过程,PPN对RhB的吸附符合准二级动力学模型。PPN用于RhB吸附,在30次循环使用后,仍然表现出优异的回收率(86.9%),表明PPN是一种高效并且可以循环使用的吸附材料,具有用于废水中移除RhB的潜力。 | 赵德 陈国举 李亦婧 卢晓锋 牛盼红 郭勇 | 2020 | 化学试剂2020，42，7： | 3 |
| 3 | 聚苯胺/碳纳米管复合材料的研究进展显示文摘综述了聚苯胺(PANI)/碳纳米管(CNT)复合材料的化学氧化法和电化学聚合法等制备方法,详细介绍了国内外关于PANI/CNT复合材料在电容、生物传感、甲醇氧化3方面的研究进展,并对该类复合材料的应用和发展前景进行了展望。 | 章家立 甘维 | 2013 | 中国塑料2013，27，10： | 1 |
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