Journal
NANOMATERIALS
Volume 11, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/nano11061360
Keywords
silver nanowire; Ti3C2Tx MXene; patch; solution-processed; transparent conductive film
Categories
Funding
- National Key Research and Development Programof China [2020YFB2008501]
- Science and Technology Committee of Shanghai [19142203600]
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Coating silver nanowires with different sizes of Ti3C2Tx can enhance their conductivity and stability, resulting in high-performance flexible optoelectronic devices. The optimized AgNW/MXene TCFs exhibit low sheet resistance, high optical transmittance, and excellent stability under various stress tests.
The transparent conductive films (TCFs) based on silver nanowires are expected to be a next-generation electrode for flexible electronics. However, their defects such as easy oxidation and high junction resistance limit its wide application in practical situations. Herein, a method of coating Ti3C2Tx with different sizes was proposed to prepare silver nanowire/MXene composite films. The solution-processed silver nanowire (AgNW) networks were patched and welded by capillary force effect through the double-coatings of small and large MXene nanosheets. The sheet resistance of the optimized AgNW/MXene TCFs was 15.1 omega/sq, the optical transmittance at 550 nm was 89.3%, and the figure of merit value was 214.4. Moreover, the AgNW/MXene TCF showed higher stability at 1600 mechanical bending, annealing at 100 degrees C for 50 h, and exposure to ambient air for 40 days. These results indicate that the novel AgNW/MXene TCFs have a great potential for high-performance flexible optoelectronic devices.
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