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一种新型碳基复合薄膜的制备及其用于火炸药SERS检测的性能 被引量:1
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作者 屈红霞 刘辉强 +1 位作者 王兵 熊鹰 《西南科技大学学报》 CAS 2021年第3期6-12,共7页
采用微波等离子体化学气相沉积(MPCVD)方法制备了一种新型金刚石-多层石墨烯纳米杂化(DMGN)的碳基复合薄膜,该薄膜具有三维多孔形貌。DMGN基底对探针分子结晶紫(CV)的表面增强拉曼散射(SERS)检测结果显示出低的检测限(LOD达10^(-8) mol... 采用微波等离子体化学气相沉积(MPCVD)方法制备了一种新型金刚石-多层石墨烯纳米杂化(DMGN)的碳基复合薄膜,该薄膜具有三维多孔形貌。DMGN基底对探针分子结晶紫(CV)的表面增强拉曼散射(SERS)检测结果显示出低的检测限(LOD达10^(-8) mol/L)和大的增强因子(EF为4.34×10^(2)),且均匀性好;经过过氧化氢氧化处理后的氧化DMGN(O-DMGN)基底对CV分子的SERS检测性能进一步提高(LOD达10^(-10) mol/L,EF值为4.09×10^(5))。将O-DMGN基底应用于实际火炸药分子二氨基二硝基乙烯(FOX-7)的检测,测定的LOD值可达10^(-6) mol/L,EF值为527。表明制备的三维多孔纳米杂化薄膜具有实现对含能化合物高灵敏度、高稳定性SERS检测的巨大潜力。 展开更多
关键词 碳基复合薄膜 表面增强拉曼散射 表面氧化 FOX-7
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Self-assembled Carbon Nanotube/Silicone Composite Films and Their Electrical Properties for Electrical Device
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作者 Sook Young Moon 《Journal of Physical Science and Application》 2016年第2期29-33,共5页
Novel composites were synthesized using AEPTES (3-(2-aminoethylamino)propyltriethoxysilane), which behaves as an excellent dispersant for MWCNTs (multiwall carbon nanotubes) in polymer film matrices. The thickne... Novel composites were synthesized using AEPTES (3-(2-aminoethylamino)propyltriethoxysilane), which behaves as an excellent dispersant for MWCNTs (multiwall carbon nanotubes) in polymer film matrices. The thickness of the synthesized nanocomposite films ranged from 50 to 70 lam, having well-dispersed MWCNTs. Increasing the AEPTES concentration from 0.0196 to 0.0300 M, increased the amine content and the dispersion of MWCNTs. The film synthesized at 0.0300 M AETPES exhibited the greatest degree of dispersion among the three samples, which is consistent with a self-assembled silane group interacting with the MWCNT surface. 展开更多
关键词 Carbon nanotube SELF-ASSEMBLY AEPTES NANOCOMPOSITE electrical properties.
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