Size-effect on Fluorescence Spectrum of Perylene Nanocrystal Studied by Single-particle Microspectroscopy Coupled with Atomic Force Microscope Observation

Abstract

This paper presents single particle fluorescence spectroscopy of perylene nanocrystals coupled with AFM observation of their topographic shapes. The fluorescence spectra of individual nanocrystals confirmed clearly and precisely a blue-shift in the excimer emission maximum on the reduction of their volume. The result can be explained in terms of “lattice softening”, which makes intermolecular interaction weaker and modified the energy level of the excimer state in nanocrystal.

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Acknowledgment

The present work was supported by a grant from the Core Research for Evolution Science and Technology (CREST) of Japan Science and Technology Agency (JST).

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Correspondence to Hideki Matsune.

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Matsune, H., Asahi, T., Masuhara, H. et al. Size-effect on Fluorescence Spectrum of Perylene Nanocrystal Studied by Single-particle Microspectroscopy Coupled with Atomic Force Microscope Observation. MRS Online Proceedings Library 846, 108 (2004). https://doi.org/10.1557/PROC-846-DD10.8

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