Phonon energy transfer in graphene–photoacid hybrids
Three water-soluble pyrene derivatives, i.e., 1-pyrenesulfonic acid sodium salt (PAS), 8-hydroxy-1,3,6-pyrenetrisulfonic acid trisodium salt (HPTS), and 6,8-dihydroxy-1,3-pyrenedisulfonic acid disodium salt (DHPDS), were employed in noncovalent functionalization of graphene. The phonon coupling inte...
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sg-ntu-dr.10356-991662020-06-01T10:21:16Z Phonon energy transfer in graphene–photoacid hybrids Pan, Xiaoyong Li, Hao Nguyen, Kim Truc Grüner, George Zhao, Yanli School of Materials Science & Engineering School of Physical and Mathematical Sciences DRNTU::Science::Chemistry::Physical chemistry Three water-soluble pyrene derivatives, i.e., 1-pyrenesulfonic acid sodium salt (PAS), 8-hydroxy-1,3,6-pyrenetrisulfonic acid trisodium salt (HPTS), and 6,8-dihydroxy-1,3-pyrenedisulfonic acid disodium salt (DHPDS), were employed in noncovalent functionalization of graphene. The phonon coupling interaction between the HPTS and DHPDS photoacids and graphene was demonstrated by UV–vis and photoluminescence spectroscopies, and the proposed mechanism of the phonon transfer was verified by temperature-dependent absorption spectroscopy. Graphene plays the role as a modulator in these graphene/photoacid hybrid systems, which switches the equilibrium between different species of the photoacids. Current work presents the pioneering investigation of phonon coupling (phonon energy transfer) in the graphene–photoacid systems. 2013-11-01T02:17:12Z 2019-12-06T20:04:04Z 2013-11-01T02:17:12Z 2019-12-06T20:04:04Z 2012 2012 Journal Article Pan, X., Li, H., Nguyen, K. T., Grüner, G., & Zhao, Y. (2012). Phonon energy transfer in graphene–photoacid hybrids. The journal of physical chemistry C, 116(6), 4175-4181. https://hdl.handle.net/10356/99166 http://hdl.handle.net/10220/17201 10.1021/jp2109016 en The journal of physical chemistry C |
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DRNTU::Science::Chemistry::Physical chemistry Pan, Xiaoyong Li, Hao Nguyen, Kim Truc Grüner, George Zhao, Yanli Phonon energy transfer in graphene–photoacid hybrids |
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Three water-soluble pyrene derivatives, i.e., 1-pyrenesulfonic acid sodium salt (PAS), 8-hydroxy-1,3,6-pyrenetrisulfonic acid trisodium salt (HPTS), and 6,8-dihydroxy-1,3-pyrenedisulfonic acid disodium salt (DHPDS), were employed in noncovalent functionalization of graphene. The phonon coupling interaction between the HPTS and DHPDS photoacids and graphene was demonstrated by UV–vis and photoluminescence spectroscopies, and the proposed mechanism of the phonon transfer was verified by temperature-dependent absorption spectroscopy. Graphene plays the role as a modulator in these graphene/photoacid hybrid systems, which switches the equilibrium between different species of the photoacids. Current work presents the pioneering investigation of phonon coupling (phonon energy transfer) in the graphene–photoacid systems. |
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School of Materials Science & Engineering |
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School of Materials Science & Engineering Pan, Xiaoyong Li, Hao Nguyen, Kim Truc Grüner, George Zhao, Yanli |
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Article |
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Pan, Xiaoyong Li, Hao Nguyen, Kim Truc Grüner, George Zhao, Yanli |
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Pan, Xiaoyong |
title |
Phonon energy transfer in graphene–photoacid hybrids |
title_short |
Phonon energy transfer in graphene–photoacid hybrids |
title_full |
Phonon energy transfer in graphene–photoacid hybrids |
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Phonon energy transfer in graphene–photoacid hybrids |
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Phonon energy transfer in graphene–photoacid hybrids |
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phonon energy transfer in graphene–photoacid hybrids |
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2013 |
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https://hdl.handle.net/10356/99166 http://hdl.handle.net/10220/17201 |
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