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Literature DB >> 24030902

Direct observation of quantum-confined graphene-like states and novel hybrid states in graphene oxide by transient spectroscopy.

Lei Wang¹, Hai-Yu Wang, Yan Wang, Shou-Jun Zhu, Yong-Lai Zhang, Jun-Hu Zhang, Qi-Dai Chen, Wei Han, Huai-Liang Xu, Bai Yang, Hong-Bo Sun.

Abstract

Quantum-confined graphene-like electronic states are directly observed in graphene oxide and photothermally reduced graphene oxide via transient spectroscopy. An unexpected novel hybrid state arising from amorphous carbon-like peripheral structure with high sp(3) /sp(2) carbon ratio in close vicinity of confined graphene-like states is found commonly existent in various carbon nanomaterials, including graphene oxide, graphene quantum dots, and carbon dots.

Entities: Chemical Gene

Keywords: confined sp2 states; graphene oxide; hybrid states; insulator-to-semiconductor transition; reduced graphene oxide

Mesh：

Substances：
Oxides
Carbon
Graphite

Year: 2013 PMID： 24030902 DOI： 10.1002/adma.201302927

Source DB: PubMed Journal: Adv Mater ISSN： 0935-9648 Impact factor: 30.849

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Cited

7 in total

1. The synthesis of green fluorescent carbon dots for warm white LEDs.

Authors: Qin Du; Jingxia Zheng; Junli Wang; Yongzhen Yang; Xuguang Liu
Journal: RSC Adv Date: 2018-05-29 Impact factor: 4.036

2. Controllable size-selective method to prepare graphene quantum dots from graphene oxide.

Authors: Tianju Fan; Wenjin Zeng; Wei Tang; Chunqiu Yuan; Songzhao Tong; Kaiyu Cai; Yidong Liu; Wei Huang; Yong Min; Arthur J Epstein
Journal: Nanoscale Res Lett Date: 2015-02-08 Impact factor: 4.703

3. Slow cooling and efficient extraction of C-exciton hot carriers in MoS₂ monolayer.

Authors: Lei Wang; Zhuo Wang; Hai-Yu Wang; Gustavo Grinblat; Yu-Li Huang; Dan Wang; Xiao-Hui Ye; Xian-Bin Li; Qiaoliang Bao; AndrewThye-Shen Wee; Stefan A Maier; Qi-Dai Chen; Min-Lin Zhong; Cheng-Wei Qiu; Hong-Bo Sun
Journal: Nat Commun Date: 2017-01-05 Impact factor: 14.919

4. Understanding the Detection Mechanisms and Ability of Molecular Hydrogen on Three-Dimensional Bicontinuous Nanoporous Reduced Graphene Oxide.

Authors: Yoshikazu Ito; Megumi Kayanuma; Yasuteru Shigeta; Jun-Ichi Fujita; Yoichi Tanabe
Journal: Materials (Basel) Date: 2020-05-14 Impact factor: 3.623

Direct observation of quantum-confined graphene-like states and novel hybrid states in graphene oxide by transient spectroscopy.

1. The synthesis of green fluorescent carbon dots for warm white LEDs.

2. Controllable size-selective method to prepare graphene quantum dots from graphene oxide.

3. Slow cooling and efficient extraction of C-exciton hot carriers in MoS₂ monolayer.

4. Understanding the Detection Mechanisms and Ability of Molecular Hydrogen on Three-Dimensional Bicontinuous Nanoporous Reduced Graphene Oxide.

5. Luminescent mesoporous nanorods as photocatalytic enzyme-like peroxidase surrogates.

6. Ultrafast spectral hole burning reveals the distinct chromophores in eumelanin and their common photoresponse.

7. Long-range light-modulated charge transport across the molecular heterostructure doped protein biopolymers.