Journal
ACS NANO
Volume 7, Issue 6, Pages 5024-5031Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn400432z
Keywords
selective laser sintering; metal nanoparticle; transparent conductor; touch screen panel; flexible substrate
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Funding
- National Research Foundation of Korea (NRF) [2012-0008779, 2012-0003722]
- Global Frontier R&D Program on Center for Multiscale Energy System [2012-054172]
- Ministry of Science, ICT Future
- Cooperative R&D Program on the Korea Research Council Industrial Science and Technology [B551179-10-01-00]
- Small & Medium Business Administration, Korea
- [SL122685]
- Ministry of Science, ICT & Future Planning, Republic of Korea [N01130017] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Council of Science & Technology (NST), Republic of Korea [B551179-10-01-00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2010-0003973, 2011-0031569] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We introduce a facile approach to fabricate a metallic grid transparent conductor on a flexible substrate using selective laser sintering of metal nanoparticle ink. The metallic grid transparent conductors with high transmittance (>85%) and low sheet resistance (30 Omega/sq) are readily produced on glass and polymer substrates at large scale without any vacuum or high-temperature environment. Being a maskless direct writing method, the shape and the parameters of the grid can be easily changed by CAD data. The resultant metallic grid also showed a superior stability in terms of adhesion and bending. This transparent conductor is further applied to the touch screen panel, and it is confirmed that the final device operates firmly under continuous mechanical stress.
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