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透明导电膜广泛应用于光电器件中,其性能影响着器件的整体性能。近年来,研究者们开发了许多基于纳米材料的透明导电膜,其中银纳米线透明导电膜整体性能优异,有可能取代目前应用最多的ITO导电膜。本文通过分析近年来国内外针对银纳米线透明导电膜开展的研究工作,总结了提高银纳米线透明导电膜综合性能的方法,并综述了其在触控显示、太阳能电池、有机发光二极管中的应用。 相似文献
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本文通过液相化学还原和热还原联合作用制备了柔性透明导电石墨烯膜.阳极氧化铝(AAO)模板在制备过程中既作为抽滤的滤网,又作为热还原处理时支撑石墨烯膜的衬底,制成的柔性透明石墨烯膜对波长为540—840 nm的可见光透光率为80%,面电阻为850 Ω/平方,这与化学气相沉积法制备的石墨烯膜(280—770 Ω/平方)相近,而低于溶液法制备的石墨烯膜(通常是103—104 Ω/平方). 相似文献
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随着柔性电子产品的应用日渐广泛,采用喷墨打印技术制备大面积柔性电子产品的技术引起了人们的关注。石墨烯由于具有优异的光学和机械性能,成为制备透明导电薄膜的理想材料。石墨烯可以通过物理或化学方法制备得到。而喷墨打印技术因具有成本低廉、操作简单等优点成为制备大面积柔性电子产品的方法之一。本文首先对石墨烯的性质和制备方法进行了简述,然后分别阐述了喷墨打印墨水条件和喷墨打印图案化控制,最后总结了透明导电薄膜的应用进展以及发展趋势。 相似文献
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透明导电薄膜是一种在可见光范围内透光率较高、导电性优良的薄膜材料.近年来随着智能手机、平板电脑等电子产品日益普及,透明导电薄膜受到越来越多的关注.本文分析了目前占据市场统治地位的掺锡氧化铟透明导电薄膜的缺点以及近年来国内外对透明导电薄膜开展的研究工作,总结了目前在印刷电子领域透明导电薄膜的主要研究方向,一方面是在传统金属氧化物薄膜基础上的改进;另一方面是寻找新型透明导电薄膜材料,并分别综述了各个研究方向的最新进展. 相似文献
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Meng Lu Xiaoling Zhang Wanying Yin Yao Wang Prof. Dezeng Li Qingbiao Zhao 《欧洲无机化学杂志》2023,26(13):e202200779
Graphene is one of the most prevailing materials to replace traditional transparent conductive films (TCFs). In order to improve the performance of graphene TCFs, it is proposed to directly deposit graphene on insulating substrates via assisted catalysis of Cu foil to avoid intricate transfer process, and further effectively enhance the optical performance by introducing the close-packed antireflection array nanostructure. The graphene TCFs grown on bare quartz substrates have sheet resistance of 0.766 kΩ sq−1 and transmittance of 86.83 %. Graphene composite TCFs with transmittance of 95.79 % were obtained by introducing the close-packed solid/hollow SiO2 nanospheres antireflection array nanostructure. Compared with graphene TCFs, transmittance of graphene composite TCFs increased significantly, while the sheet resistance remained at the same level. This method combining direct synthesis technique with novel antireflection array nanostructure provides a significant design idea to grow transfer-free graphene with controllable optoelectronic properties and promotes the application and development of the future electronic devices. 相似文献
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以高纯纳米银线作为导电介质,采用低成本丝网印刷法在普通透明玻璃基底上制备纳米银线薄膜层。经低温退火处理后,采用冷场发射扫描电子显微镜对薄膜的形貌进行表征;分别采用紫外可见分光光度计和四探针测试仪对薄膜的光学透过率和导电性能进行测试。实验系统研究了印刷浆料中纳米银线的含量、印刷层数和退火温度对薄膜的光学透过率和导电性能的影响。当印刷浆料中纳米银线的含量为3%(w/w),印刷层数达到3层,经低温275℃退火后,可制备出光电性能良好的纳米银线薄膜,该薄膜最大可见光透过率为39.4%,表面方块电阻仅为25.6Ω·□-1。 相似文献
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以高纯纳米银线作为导电介质,采用低成本丝网印刷法在普通透明玻璃基底上制备纳米银线薄膜层。经低温退火处理后,采用冷场发射扫描电子显微镜对薄膜的形貌进行表征;分别采用紫外可见分光光度计和四探针测试仪对薄膜的光学透过率和导电性能进行测试。实验系统研究了印刷浆料中纳米银线的含量、印刷层数和退火温度对薄膜的光学透过率和导电性能的影响。当印刷浆料中纳米银线的含量为3%(w/w),印刷层数达到3层,经低温275℃退火后,可制备出光电性能良好的纳米银线薄膜,该薄膜最大可见光透过率为39.4%,表面方块电阻仅为25.6Ω·□~(-1)。 相似文献
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Wan M. Khairul Khalisah Asilah Mokthar M. I. N. Isa A. S. Samsudin Hasyiya Karimah Adli Saidatul Radhiah Ghazali 《Phosphorus, sulfur, and silicon and the related elements》2013,188(5):640-651
AbstractThe application of thiourea derivatives as conjugated molecular wire candidates in the field of material sciences has attracted great attention recently. To date, conjugated thiourea systems as molecular wires are surprisingly unexplored although the well-known rigid π-systems promise a wide range of electronic properties. Due to this matter, five novel thiourea derivatives A-ArC(O)NHC(S)NHAr-D with polar head and tail groups, namely NO2 (acceptor A) and alkoxy with varying chain lengths (donor D = OCnH2n+1, n = 6, 7, 8, 9, 10), were successfully synthesized and characterized. All compounds were characterized by IR, UV-vis, 1H and 13C NMR spectroscopy, and CHNS elemental microanalysis. The investigation of their potential as dopant systems in polymer conducting films has been accomplished by incorporating of chitosan via the solution casting technique. The conductivity values were obtained using impedance spectroscopy. They show that the ionic conductivities of the N-(4-alkoxyphenyl)-N’-(4-nitrobenzoyl)thioureas increase with increasing chain length of the alkoxy chain. The compounds exhibit great potential for the exploration of future applications as doping systems in conductive materials. 相似文献
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Jizhe Zhang Xingzhong Zhu Juan Xu Ruixing Xu Hao Yang Caixia Kan 《Molecules (Basel, Switzerland)》2022,27(24)
Silver nanowires, which have high optoelectronic properties, have the potential to supersede indium tin oxide in the field of electrocatalysis, stretchable electronic, and solar cells. Herein, four mainstream experimental methods, including Mayer–rod coating, spin coating, spray coating, and vacuum filtration methods, are employed to fabricate transparent conductive films based on the same silver nanowires to clarify the significance of preparation methods on the performance of the films. The surface morphology, conductive property, uniformity, and flexible stability of these four Ag NW-based films, are analyzed and compared to explore the advantages of these methods. The transparent conductive films produced by the vacuum filtration method have the most outstanding performance in terms of surface roughness and uniformity, benefitting from the stronger welding of NW-NW junctions after the press procedure. However, limited by the size of the membrane and the vacuum degree of the equipment, the small-size Ag films used in precious devices are appropriate to obtain through this method. Similarly, the spin coating method is suited to prepare Ag NWs films with small sizes, which shows excellent stability after the bending test. In comparison, much larger-size films could be obtained through Mayer-rod coating and spray coating methods. The pull-down speed and force among the Mayer-rod coating process, as well as the spray distance and traveling speed among the spray coating process, are essential to the uniformity of Ag NW films. After being treated with NaBH4 and polymethyl methacrylate (PMMA), the obtained Ag NW/PMMA films show great potential in the field of film defogging due to the Joule heating effect. Taken together, based on the advantages of each preparation method, the Ag NW-based films with desired size and performances are easier to prepare, meeting the requirements of different application fields. 相似文献