Journal
OPTICAL MATERIALS
Volume 120, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.optmat.2021.111427
Keywords
Transparent conductive film; CNP; Lithography; Electroplating
Categories
Funding
- Natural Science Foundation of Tianjin City [18JCQNJC01300]
- National Natural Science Foundation of China [61701338]
- Scientific Research Foundation for High-Level Talents of Dongguan University of Technology [KCYCXPT2017003]
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In this work, a highly reliable and high-performance metal-mesh network transparent conductive film (TCF) was fabricated on a flexible substrate using lithography and electroplating techniques. The film exhibits enhanced adhesion, improved thermal stability, and reduced resistivity, with a high figure of merit up to 17,000. Additionally, the film displays excellent stability at room temperature and high temperature, as well as rapid heating capabilities at low voltage.
In this work, Highly reliable and high-performance metal-mesh network transparent conductive film (TCF) is fabricated on flexible substrate by lithography and electroplating without high temperature which combines the advantages of both approaches, exhibiting enhanced adhesion, improved thermostability and reduced resistivity. The Cu/Ni/PEDOT:PSS (CNP) TCF with a sheet resistance of -0.13 omega/sq at transmittance of -86% has a high figure of merit (FoM) up to 17,000. The fabricated CNP shows enhanced adhesion to polyethylene terephthalate (PET) substrates, and the sheet resistance does not show great change after the bending test and folding cycle tests, which attributes to the protection of the PEDOT:PSS. Moreover, the CNP film displays excellent stability that the sheet resistance does not show great increase after several months at room temperature and maintain original resistance at high temperature (150 degrees C). According to Joule heating, a visible transparent heater is fabricated to evaluate the thermal performance of our CNP film, which shows rapid heating at very low voltage.
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