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Article: Giant Conductance Enhancement of Intramolecular Circuits through Interchannel Gating

TitleGiant Conductance Enhancement of Intramolecular Circuits through Interchannel Gating
Authors
Keywordschemical gating effect
cyclophane
intramolecular circuit
MAP2: Benchmark
molecular electronics
quantum interference
single-molecule electronics
STM-BJ
supramolecular chemistry
Issue Date2020
Citation
Matter, 2020, v. 2, n. 2, p. 378-389 How to Cite?
AbstractFor neutral intramolecular circuits with two constitutionally identical branches, a maximum 4-fold increase in total conductance can be obtained according to constructive quantum interference (CQI). For charged intramolecular circuits, however, the strong electrostatic interactions entangle the quantum states of these two parallel pathways, thus introducing complicated transport behavior that warrants experimental investigation of the intramolecular circuit rules. Here, we report that a tetracationic cyclophane with parallel channels exhibits a 50-fold conductance enhancement compared with that of a single-channel control, an observation that supplements intramolecular circuit law in systems with strong Coulombic interactions. Flicker noise measurements and theoretical calculations show that strong electrostatic interactions between charged parallel channels—serving as the chemical gate to promote the effective conductance of each channel—and CQI boosts the total conductance of the two-channel circuit. The molecular design presented herein constitutes a proof-of-principle approach to charged intramolecular circuits that are desirable for quantum circuits and devices.
Persistent Identifierhttp://hdl.handle.net/10722/333413
ISSN
2023 Impact Factor: 17.3
2023 SCImago Journal Rankings: 5.048
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChen, Hongliang-
dc.contributor.authorZheng, Haining-
dc.contributor.authorHu, Chen-
dc.contributor.authorCai, Kang-
dc.contributor.authorJiao, Yang-
dc.contributor.authorZhang, Long-
dc.contributor.authorJiang, Feng-
dc.contributor.authorRoy, Indranil-
dc.contributor.authorQiu, Yunyan-
dc.contributor.authorShen, Dengke-
dc.contributor.authorFeng, Yuanning-
dc.contributor.authorAlsubaie, Fehaid M.-
dc.contributor.authorGuo, Hong-
dc.contributor.authorHong, Wenjing-
dc.contributor.authorStoddart, J. Fraser-
dc.date.accessioned2023-10-06T05:19:11Z-
dc.date.available2023-10-06T05:19:11Z-
dc.date.issued2020-
dc.identifier.citationMatter, 2020, v. 2, n. 2, p. 378-389-
dc.identifier.issn2590-2393-
dc.identifier.urihttp://hdl.handle.net/10722/333413-
dc.description.abstractFor neutral intramolecular circuits with two constitutionally identical branches, a maximum 4-fold increase in total conductance can be obtained according to constructive quantum interference (CQI). For charged intramolecular circuits, however, the strong electrostatic interactions entangle the quantum states of these two parallel pathways, thus introducing complicated transport behavior that warrants experimental investigation of the intramolecular circuit rules. Here, we report that a tetracationic cyclophane with parallel channels exhibits a 50-fold conductance enhancement compared with that of a single-channel control, an observation that supplements intramolecular circuit law in systems with strong Coulombic interactions. Flicker noise measurements and theoretical calculations show that strong electrostatic interactions between charged parallel channels—serving as the chemical gate to promote the effective conductance of each channel—and CQI boosts the total conductance of the two-channel circuit. The molecular design presented herein constitutes a proof-of-principle approach to charged intramolecular circuits that are desirable for quantum circuits and devices.-
dc.languageeng-
dc.relation.ispartofMatter-
dc.subjectchemical gating effect-
dc.subjectcyclophane-
dc.subjectintramolecular circuit-
dc.subjectMAP2: Benchmark-
dc.subjectmolecular electronics-
dc.subjectquantum interference-
dc.subjectsingle-molecule electronics-
dc.subjectSTM-BJ-
dc.subjectsupramolecular chemistry-
dc.titleGiant Conductance Enhancement of Intramolecular Circuits through Interchannel Gating-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.matt.2019.12.015-
dc.identifier.scopuseid_2-s2.0-85078669040-
dc.identifier.volume2-
dc.identifier.issue2-
dc.identifier.spage378-
dc.identifier.epage389-
dc.identifier.eissn2590-2385-
dc.identifier.isiWOS:000519850300014-

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