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Bright Light Emission of a Single Polythiophene Nanotube Strand with a Nanometer-scale Metal Coating


  • The work was supported in part by the Korea Science and Engineering Foundation (KOSEF). J. Joo was supported in part by the Korea Research Foundation (KRF-J03602). J. Kim acknowledges financial support at the CNMM of the 21st Century Frontier Research Program. Q. Park was supported by the Seoul R&BD Program. The authors thank D. S. Kim, S. S. Kim, M.-S. Choi, R. Kim, Y. D. Suh, and S. Nam for discussions and experimental help. Supporting Information is available online at Wiley InterScience or from the author.


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Bi-layered hybrid nanostructures of polythiophene (PTh) and metal nanotubes are fabricated by a sequential electrochemical synthetic method. Huge enhancement of photoluminescence of PTh single nanotubes coated with nanometer-scale Cu, Ni, or Co metal is observed by using a laser confocal microscope, and can be explained by the effect of surface plasmon resonance. Bright light emission from a single strand of a PTh/Cu hybrid nanotube is observed (see figure).

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