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첨단연성물질 연구단
첨단연성물질 연구단
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Morphology Tunable Hybrid Carbon Nanosheets with Solvatochromism

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Title
Morphology Tunable Hybrid Carbon Nanosheets with Solvatochromism
Author(s)
Yuri Choi; Sunghu Kim; Yeongkyu Choi; Jaeeun Song; Tae‐Hyuk Kwon; Oh-Hoon Kwon; Byeong‐Su Kim
Publication Date
2017-06
Journal
ADVANCED MATERIALS, v.29, no.24, pp.1701075 -
Publisher
WILEY-V C H VERLAG GMBH
Abstract
The tunable photoluminescence of carbon-based nanomaterials has received much attention for a wide range of applications. Herein, a unique, broad-solvatochromic hybrid carbon nanosheet (CNS) synthesized through the hydrothermal carbonization of molecular precursors exploiting graphene oxide as a template is reported, resulting in the formation of clusters of carbon nanorings on the surface of graphene-oxide nanosheets. Under UV and visible-light excitation, the hybrid CNS exhibits tunable emission spanning the wide range of colors in a series of solvents with different polarities. This interesting spectroscopic behavior is found to originate from hydrogen-bonding interactions between CNS and solvents, which eventually induce the morphological transition of CNS from 2D sheets to 3D crumpled morphologies, affecting the lifetimes of emissive states. This novel soft carbon nanostructure may open up a new possibility in tailoring the photophysical properties of carbon nanomaterials. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
URI
https://pr.ibs.re.kr/handle/8788114/3667
ISSN
0935-9648
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
Files in This Item:
2017_Adv.Mater._Morphology Tunable Hybrid Carbon Nanosheets with Solvatochromism_Oh-hoon.pdfDownload

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