Tunable Photoluminescence from Graphene Oxide

被引：609

作者：

Chien, Chih-Tao ^{[1
]}

Li, Shao-Sian ^{[1
]}

Lai, Wei-Jung ^{[1
]}

Yeh, Yun-Chieh ^{[1
]}

Chen, Hsin-An ^{[1
]}

Chen, I-Shen ^{[1
]}

Chen, Li-Chyong ^{[2
]}

Chen, Kuei-Hsien ^{[3
]}

Nemoto, Takashi ^{[4
]}

Isoda, Seiji ^{[5
]}

Chen, Mingwei ^{[6
]}

Fujita, Takeshi ^{[6
]}

Eda, Goki ^{[7
]}

Yamaguchi, Hisato ^{[7
]}

Chhowalla, Manish ^{[7
]}

Chen, Chun-Wei ^{[1
]}

机构：

[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Ctr Condensed Matter Sci, Taipei 10617, Taiwan

[3] Acad Sinica, Inst Atom & Mol Sci, Taipei 10617, Taiwan

[4] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan

[5] Kyoto Univ, Inst Integrated Cell Mat Sci, Kyoto 6068501, Japan

[6] Tohoku Univ, WPI Adv Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan

[7] Rutgers State Univ, Dept Mat Sci & Engn, Piscataway, NJ 08854 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 27期

关键词：

graphene; graphene oxide; luminescence; materials science; scanning-probe microscopy; GRAPHITE OXIDE; AMORPHOUS-CARBON; QUANTUM DOTS; RECOMBINATION; REDUCTION;

D O I：

10.1002/anie.201200474

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Tuning to G(O) flat: Photoluminescence in graphene oxide (GO) suspensions can be tuned from red to blue emission (see scheme) by gradually changing the amounts of sp 2- and sp 3-bonded carbon atoms through reduction of the surface oxide groups. Electron-hole recombination from two different types of excited states is proposed to explain the luminescence in GO at varying degrees of reduction. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：6662 / 6666

页数：5

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