Growth mechanism and size effect on fluorescence properties of perylene nanocrystals

Yutaka Wakayama; Tadashi Mitsui; Tsunenobu Onodera; Hidetoshi Oikawa; Hachiro Nakanishi

doi:10.1380/ejssnt.2006.69

Growth mechanism and size effect on fluorescence properties of perylene nanocrystals

Yutaka Wakayama, Tadashi Mitsui, Tsunenobu Onodera, Hidetoshi Oikawa, Hachiro Nakanishi

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

3 Citations (Scopus)

Abstract

The main aims of this study were to explore a new technique for growing molecular nanocrystals and to examine their optical properties. To grow nanocrystals, we applied a vacuum evaporation technique. Small perylene nanocrystals (ca. 200 nm) at a high density (7.6 μm^-2) were produced by ultra-rapid evaporation on a pattern-indented Si surface. A perylene-3,4,9,10-tetracarboxylic-3,4,9,10-dianhydride (PTCDA) buffer layer was found to be effective for further downsizing of the nanocrystals and for preserving their fluorescence properties originating from the nanoscale size effect.

Original language	English
Pages (from-to)	69-73
Number of pages	5
Journal	e-Journal of Surface Science and Nanotechnology
Volume	4
DOIs	https://doi.org/10.1380/ejssnt.2006.69
Publication status	Published - 2006 Jan 19

Keywords

Aromatic molecules
Growth
Nanoparticles
Photoluminescence

ASJC Scopus subject areas

Biotechnology
Bioengineering
Condensed Matter Physics
Mechanics of Materials
Surfaces and Interfaces
Surfaces, Coatings and Films

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AU - Wakayama, Yutaka

AU - Mitsui, Tadashi

AU - Onodera, Tsunenobu

AU - Oikawa, Hidetoshi

AU - Nakanishi, Hachiro

PY - 2006/1/19

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AB - The main aims of this study were to explore a new technique for growing molecular nanocrystals and to examine their optical properties. To grow nanocrystals, we applied a vacuum evaporation technique. Small perylene nanocrystals (ca. 200 nm) at a high density (7.6 μm-2) were produced by ultra-rapid evaporation on a pattern-indented Si surface. A perylene-3,4,9,10-tetracarboxylic-3,4,9,10-dianhydride (PTCDA) buffer layer was found to be effective for further downsizing of the nanocrystals and for preserving their fluorescence properties originating from the nanoscale size effect.

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KW - Growth

KW - Nanoparticles

KW - Photoluminescence

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Growth mechanism and size effect on fluorescence properties of perylene nanocrystals

Abstract

Keywords

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