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Tuning interfacial charge transfer in atomically precise nanographene–graphene heterostructures by engineering van der Waals interactions
https://oist.repo.nii.ac.jp/records/2771
https://oist.repo.nii.ac.jp/records/2771f219456b-ac61-4f5d-86eb-aeedbe4c1d32
名前 / ファイル | ライセンス | アクション |
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5.0081074 (5.3 MB)
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Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-08-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Tuning interfacial charge transfer in atomically precise nanographene–graphene heterostructures by engineering van der Waals interactions | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Yu, Xiaoqing
× Yu, Xiaoqing× Fu, Shuai× Mandal, Mukunda× Yao, Xuelin× Liu, Zhaoyang× Zheng, Wenhao× Samorì, Paolo× Narita, Akimitsu× Müllen, Klaus× Andrienko, Denis× Bonn, Mischa× Wang, Hai I. |
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書誌情報 |
en : The Journal of Chemical Physics 巻 156, 号 7, p. 074702, 発行日 2022-02-15 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Combining strong light absorption and outstanding electrical conductivity, hybrid nanographene–graphene (NG–Gr) van der Waals heterostructures (vdWHs) represent an emerging material platform for versatile optoelectronic devices. Interfacial charge transfer (CT), a fundamental process whose full control remains limited, plays a paramount role in determining the final device performance. Here, we demonstrate that the interlayer vdW interactions can be engineered by tuning the sizes of bottom-up synthesized NGs to control the interfacial electronic coupling strength and, thus, the CT process in NG–Gr vdWHs. By increasing the dimensions of NGs from 42 to 96 sp2 carbon atoms in the polyaromatic core to enhance the interfacial coupling strength, we find that the CT efficiency and rate in NG–Gr vdWHs display a drastic increase of one order of magnitude, despite the fact that the interfacial energy driving the CT process is unfavorably reduced. Our results shed light on the CT mechanism and provide an effective knob to tune the electronic coupling at NG–Gr interfaces by controlling the size-dependent vdW interactions. | |||||
出版者 | ||||||
出版者 | American Institute of Physics | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0021-9606 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1089-7690 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/35183096 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1063/5.0081074 | |||||
権利 | ||||||
権利情報 | © 2022 The Authors. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://aip.scitation.org/doi/10.1063/5.0081074 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |