Development of precise tuning method of inter-dot spacing and resonant energy transfer between Au clusters

Mitsuru Inada; Yoshihiro Yoshihara; Hideya Kawasaki; Yasuhiko Iwasaki; Tadashi Saitoh; Ikurou Umezu; Akira Sugimura

doi:10.1117/12.893716

7 September 2011 Development of precise tuning method of inter-dot spacing and resonant energy transfer between Au clusters

Mitsuru Inada, Yoshihiro Yoshihara, Hideya Kawasaki, Yasuhiko Iwasaki, Tadashi Saitoh, Ikurou Umezu, Akira Sugimura

Author Affiliations +

Proceedings Volume 8094, Nanophotonic Materials VIII; 809404 (2011) https://doi.org/10.1117/12.893716
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

Abstract

A device to control strength of interactions between adjacent nanostructures, namely Precise Interaction Control System for Nanostructures (PICSN) is developed. The PICSN is operated by combinations of DC motor and capacitancepositioning sensor. In this system, nanostructures are deposited on a flexible substrate and the strength of interactions can be controlled by changing a distance between adjacent nanostructures, stretching or shrinking the flexible substrate. Using the PICSN, we investigate photoluminescence of Au nanoclusters (NCs), which include at least Au5, Au8 and Au13 NCs, deposited on poly(dimethylsiloxane) substrate. We observed a blue shift of PL peak position with increasing interdot distance. Considering the relationship between absorption and emission energies of Au NCs, the blue shift is thought to be a result of fluorescent resonant energy transfer from smaller sized Au NCs to larger ones.

Citation Download Citation

Mitsuru Inada, Yoshihiro Yoshihara, Hideya Kawasaki, Yasuhiko Iwasaki, Tadashi Saitoh, Ikurou Umezu, and Akira Sugimura "Development of precise tuning method of inter-dot spacing and resonant energy transfer between Au clusters", Proc. SPIE 8094, Nanophotonic Materials VIII, 809404 (7 September 2011); https://doi.org/10.1117/12.893716

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