Kim Heon Kyeong, Kim Hee Dong, Kim Tae Geun
J Nanosci Nanotechnol. 2014 Dec;14(12):9092-6. doi: 10.1166/jnn.2014.10091.
We report the fabrication of single-walled carbon nanotube (SWNT) films bridged with gold nanoparticles (Au NPs) that exhibit high conductivity and transparency in the ultraviolet (UV) region. The film was obtained by annealing the Au films deposited onto quartz substrate by e-beam evaporation, followed by dip coating in SWNT-dispersed solution under different dipping cycles. The optical tranmittance spectrum of the film thus obtained shows a transmittance between 80.2 and 85% in the wavelength range of 350-600 nm. In addition, the SWNT film bridged with Au NPs shows an electrical conductivity of 1.72 mA at 5 V, which is about six-times higher than that of the SWNT film without Au NPs (0.29 mA). These results confirm that the Au NPs enhance the electrical conductivity of the SWNT network films, without compromising the optical transmittance.
我们报道了一种由金纳米颗粒（Au NPs）桥接的单壁碳纳米管（SWNT）薄膜的制备方法，该薄膜在紫外（UV）区域具有高导电性和透明度。通过电子束蒸发将金膜沉积在石英衬底上，然后在不同浸渍循环下在单壁碳纳米管分散溶液中进行浸涂，从而获得该薄膜。由此获得的薄膜的光学透射光谱显示，在350 - 600 nm波长范围内，透射率在80.2%至85%之间。此外，由金纳米颗粒桥接的单壁碳纳米管薄膜在5 V电压下的电导率为1.72 mA，这比没有金纳米颗粒的单壁碳纳米管薄膜（0.29 mA）高出约六倍。这些结果证实，金纳米颗粒提高了单壁碳纳米管网络薄膜的电导率，同时不影响其光学透射率。
