In situ and ex situ observations of the growth dynamics of single perylene nanocrystals in water

Takashi Tachikawa; Hae Ryong Chung; Akito Masuhara; Hitoshi Kasai; Hidetoshi Oikawa; Hachiro Nakanishi; Mamoru Fujitsuka; Tetsuro Majima

doi:10.1021/ja0654276

In situ and ex situ observations of the growth dynamics of single perylene nanocrystals in water

Takashi Tachikawa, Hae Ryong Chung, Akito Masuhara, Hitoshi Kasai, Hidetoshi Oikawa, Hachiro Nakanishi, Mamoru Fujitsuka, Tetsuro Majima

Materials-Measurement Hybrid Research Center

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

Abstract

The growth dynamics of fluorescent perylene nanocrystals, which are fabricated by the reprecipitation method, was investigated using in situ and ex situ single-particle fluorescence measurements. A red shift in the emission maxima as the aging time increased was observed by single-particle fluorescence spectral measurements. The number and size of the nanocrystals increased with the increasing aging time in water. It was concluded that the metastable intermediates, such as clusters and initial nanoparticles, are relevant for the early stages of nucleation and growth of the perylene nanocrystals.

Original language	English
Pages (from-to)	15944-15945
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	128
Issue number	50
DOIs	https://doi.org/10.1021/ja0654276
Publication status	Published - 2006 Dec 20

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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title = "In situ and ex situ observations of the growth dynamics of single perylene nanocrystals in water",

abstract = "The growth dynamics of fluorescent perylene nanocrystals, which are fabricated by the reprecipitation method, was investigated using in situ and ex situ single-particle fluorescence measurements. A red shift in the emission maxima as the aging time increased was observed by single-particle fluorescence spectral measurements. The number and size of the nanocrystals increased with the increasing aging time in water. It was concluded that the metastable intermediates, such as clusters and initial nanoparticles, are relevant for the early stages of nucleation and growth of the perylene nanocrystals.",

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AU - Tachikawa, Takashi

AU - Chung, Hae Ryong

AU - Masuhara, Akito

AU - Kasai, Hitoshi

AU - Oikawa, Hidetoshi

AU - Nakanishi, Hachiro

AU - Fujitsuka, Mamoru

AU - Majima, Tetsuro

PY - 2006/12/20

Y1 - 2006/12/20

N2 - The growth dynamics of fluorescent perylene nanocrystals, which are fabricated by the reprecipitation method, was investigated using in situ and ex situ single-particle fluorescence measurements. A red shift in the emission maxima as the aging time increased was observed by single-particle fluorescence spectral measurements. The number and size of the nanocrystals increased with the increasing aging time in water. It was concluded that the metastable intermediates, such as clusters and initial nanoparticles, are relevant for the early stages of nucleation and growth of the perylene nanocrystals.

AB - The growth dynamics of fluorescent perylene nanocrystals, which are fabricated by the reprecipitation method, was investigated using in situ and ex situ single-particle fluorescence measurements. A red shift in the emission maxima as the aging time increased was observed by single-particle fluorescence spectral measurements. The number and size of the nanocrystals increased with the increasing aging time in water. It was concluded that the metastable intermediates, such as clusters and initial nanoparticles, are relevant for the early stages of nucleation and growth of the perylene nanocrystals.

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JO - Journal of the American Chemical Society

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In situ and ex situ observations of the growth dynamics of single perylene nanocrystals in water

Abstract

ASJC Scopus subject areas

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