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Article: The Control of Intramolecular Through-Bond and Through-Space Coupling in Single-Molecule Junctions
Title | The Control of Intramolecular Through-Bond and Through-Space Coupling in Single-Molecule Junctions |
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Authors | |
Keywords | D-A interaction Intramolecular coupling Single-molecule junctions Through-bond Through-space |
Issue Date | 2022 |
Citation | CCS Chemistry, 2022, v. 4, n. 2, p. 713-721 How to Cite? |
Abstract | Electronic coupling between individual building blocks plays an essential role in charge transport through molecular materials and devices. However, the investigation of the transmission mechanism in charge transport via intramolecular coupling remains challenging. Herein, we demonstrate the transition of the intramolecular through-bond and through-space coupling in a single-molecule junction with a family of diketopyrrolopyrrole (DPP) derivative by varying intramolecular donor-acceptor (D-A) interactions. The transition is accomplished by regulating D-A interactions by inserting different aromatic rings inside, leading to two orders of magnitude difference of the single-molecule conductance. The flicker noise analysis demonstrates that the conductance difference arises from the control of the contribution between through-bond and through-space coupling. These findings are further supported by the calculation that the intramolecular coupling among molecular building blocks correlates with the D-A interaction, providing a promising way to regulate the contribution between through-bond and through-space coupling in the charge transport through molecular materials and devices. |
Persistent Identifier | http://hdl.handle.net/10722/346829 |
ISSN | 2023 Impact Factor: 9.4 2023 SCImago Journal Rankings: 2.726 |
DC Field | Value | Language |
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dc.contributor.author | Tan, Zhibing | - |
dc.contributor.author | Jiang, Wenlin | - |
dc.contributor.author | Tang, Chun | - |
dc.contributor.author | Chen, Li Chuan | - |
dc.contributor.author | Chen, Liangliang | - |
dc.contributor.author | Liu, Junyang | - |
dc.contributor.author | Liu, Zitong | - |
dc.contributor.author | Zhang, Hao Li | - |
dc.contributor.author | Zhang, Deqing | - |
dc.contributor.author | Hong, Wenjing | - |
dc.date.accessioned | 2024-09-17T04:13:32Z | - |
dc.date.available | 2024-09-17T04:13:32Z | - |
dc.date.issued | 2022 | - |
dc.identifier.citation | CCS Chemistry, 2022, v. 4, n. 2, p. 713-721 | - |
dc.identifier.issn | 2096-5745 | - |
dc.identifier.uri | http://hdl.handle.net/10722/346829 | - |
dc.description.abstract | Electronic coupling between individual building blocks plays an essential role in charge transport through molecular materials and devices. However, the investigation of the transmission mechanism in charge transport via intramolecular coupling remains challenging. Herein, we demonstrate the transition of the intramolecular through-bond and through-space coupling in a single-molecule junction with a family of diketopyrrolopyrrole (DPP) derivative by varying intramolecular donor-acceptor (D-A) interactions. The transition is accomplished by regulating D-A interactions by inserting different aromatic rings inside, leading to two orders of magnitude difference of the single-molecule conductance. The flicker noise analysis demonstrates that the conductance difference arises from the control of the contribution between through-bond and through-space coupling. These findings are further supported by the calculation that the intramolecular coupling among molecular building blocks correlates with the D-A interaction, providing a promising way to regulate the contribution between through-bond and through-space coupling in the charge transport through molecular materials and devices. | - |
dc.language | eng | - |
dc.relation.ispartof | CCS Chemistry | - |
dc.subject | D-A interaction | - |
dc.subject | Intramolecular coupling | - |
dc.subject | Single-molecule junctions | - |
dc.subject | Through-bond | - |
dc.subject | Through-space | - |
dc.title | The Control of Intramolecular Through-Bond and Through-Space Coupling in Single-Molecule Junctions | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.31635/ccschem.021.202000748 | - |
dc.identifier.scopus | eid_2-s2.0-85124456115 | - |
dc.identifier.volume | 4 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | 713 | - |
dc.identifier.epage | 721 | - |