Mn2+-bonded reduced graphene oxide with strong radiative recombination in broad visible range caused by resonant energy transfer

Z. X. Gan; S. J. Xiong; X. L. Wu; C. Y. He; J. C. Shen; Paul K. Chu

doi:10.1021/nl202240s

Mn²⁺-bonded reduced graphene oxide with strong radiative recombination in broad visible range caused by resonant energy transfer

Z. X. Gan
, S. J. Xiong
, X. L. Wu
, C. Y. He
, J. C. Shen
, Paul K. Chu

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

84 Citations (Scopus)

Abstract

The photoluminescence (PL) characteristics of Mn²⁺-bonded reduced graphene oxide (rGO) are studied in details. The Mn²⁺-bonded rGO is synthesized using MnO₂-decorated GO as the intermediate products and ideal tunable PL is obtained by enhancing the long-wavelength (450-550 nm) emission. The PL spectra excited by different wavelengths are analyzed to elucidate the mechanism, and the resonant energy transfer between Mn²⁺ and sp² clusters of the rGO appears to be responsible for the enhanced long-wavelength emission. To examine the effect of Mn ²⁺ on the long-wavelength emission from the Mn²⁺-bonded rGO, the PL characteristics of Mn²⁺-bonded rGO with smaller Mn concentrations are studied and weaker emission is observed. Our theoretical calculation corroborates the experimental results. © 2011 American Chemical Society.

Original language	English
Pages (from-to)	3951-3956
Journal	Nano Letters
Volume	11
Issue number	9
DOIs	https://doi.org/10.1021/nl202240s
Publication status	Published - 14 Sept 2011

Research Keywords

enhanced and tunable photoluminescence
Mn2+-bonded rGO
resonance energy transfer
sp2 clusters

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Cite this

@article{5654e38f9a6a4b258d0d1278154a5072,

title = "Mn2+-bonded reduced graphene oxide with strong radiative recombination in broad visible range caused by resonant energy transfer",

abstract = "The photoluminescence (PL) characteristics of Mn2+-bonded reduced graphene oxide (rGO) are studied in details. The Mn2+-bonded rGO is synthesized using MnO2-decorated GO as the intermediate products and ideal tunable PL is obtained by enhancing the long-wavelength (450-550 nm) emission. The PL spectra excited by different wavelengths are analyzed to elucidate the mechanism, and the resonant energy transfer between Mn2+ and sp2 clusters of the rGO appears to be responsible for the enhanced long-wavelength emission. To examine the effect of Mn 2+ on the long-wavelength emission from the Mn2+-bonded rGO, the PL characteristics of Mn2+-bonded rGO with smaller Mn concentrations are studied and weaker emission is observed. Our theoretical calculation corroborates the experimental results. {\textcopyright} 2011 American Chemical Society.",

keywords = "enhanced and tunable photoluminescence, Mn2+-bonded rGO, resonance energy transfer, sp2 clusters",

author = "Gan, \{Z. X.\} and Xiong, \{S. J.\} and Wu, \{X. L.\} and He, \{C. Y.\} and Shen, \{J. C.\} and Chu, \{Paul K.\}",

year = "2011",

month = sep,

day = "14",

doi = "10.1021/nl202240s",

language = "English",

volume = "11",

pages = "3951--3956",

journal = "Nano Letters",

issn = "1530-6984",

publisher = "American Chemical Society",

number = "9",

}

TY - JOUR

T1 - Mn2+-bonded reduced graphene oxide with strong radiative recombination in broad visible range caused by resonant energy transfer

AU - Gan, Z. X.

AU - Xiong, S. J.

AU - Wu, X. L.

AU - He, C. Y.

AU - Shen, J. C.

AU - Chu, Paul K.

PY - 2011/9/14

Y1 - 2011/9/14

N2 - The photoluminescence (PL) characteristics of Mn2+-bonded reduced graphene oxide (rGO) are studied in details. The Mn2+-bonded rGO is synthesized using MnO2-decorated GO as the intermediate products and ideal tunable PL is obtained by enhancing the long-wavelength (450-550 nm) emission. The PL spectra excited by different wavelengths are analyzed to elucidate the mechanism, and the resonant energy transfer between Mn2+ and sp2 clusters of the rGO appears to be responsible for the enhanced long-wavelength emission. To examine the effect of Mn 2+ on the long-wavelength emission from the Mn2+-bonded rGO, the PL characteristics of Mn2+-bonded rGO with smaller Mn concentrations are studied and weaker emission is observed. Our theoretical calculation corroborates the experimental results. © 2011 American Chemical Society.

AB - The photoluminescence (PL) characteristics of Mn2+-bonded reduced graphene oxide (rGO) are studied in details. The Mn2+-bonded rGO is synthesized using MnO2-decorated GO as the intermediate products and ideal tunable PL is obtained by enhancing the long-wavelength (450-550 nm) emission. The PL spectra excited by different wavelengths are analyzed to elucidate the mechanism, and the resonant energy transfer between Mn2+ and sp2 clusters of the rGO appears to be responsible for the enhanced long-wavelength emission. To examine the effect of Mn 2+ on the long-wavelength emission from the Mn2+-bonded rGO, the PL characteristics of Mn2+-bonded rGO with smaller Mn concentrations are studied and weaker emission is observed. Our theoretical calculation corroborates the experimental results. © 2011 American Chemical Society.

KW - enhanced and tunable photoluminescence

KW - Mn2+-bonded rGO

KW - resonance energy transfer

KW - sp2 clusters

UR - https://www.scopus.com/pages/publications/80052799983

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-80052799983&origin=recordpage

U2 - 10.1021/nl202240s

DO - 10.1021/nl202240s

M3 - RGC 21 - Publication in refereed journal

C2 - 21848298

SN - 1530-6984

VL - 11

SP - 3951

EP - 3956

JO - Nano Letters

JF - Nano Letters

IS - 9

ER -