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Advances of Various Heterogeneous Structure Types in Molecular Junction Systems and Their Charge Transport Propertiesopen access

Authors
Shin, JaehoEo, Jung SunJeon, TakgyeongLee, TakheeWang, Gunuk
Issue Date
10월-2022
Publisher
WILEY
Keywords
charge transport mechanism; molecular electronics; molecular heterojunction; molecule-2D material heterostructures; molecule-inorganic heterostructures; molecule-organic heterostructures; three-terminal molecular heterojunction
Citation
ADVANCED SCIENCE, v.9, no.30
Indexed
SCIE
SCOPUS
Journal Title
ADVANCED SCIENCE
Volume
9
Number
30
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/144181
DOI
10.1002/advs.202202399
ISSN
2198-3844
Abstract
Molecular electronics that can produce functional electronic circuits using a single molecule or molecular ensemble remains an attractive research field because it not only represents an essential step toward realizing ultimate electronic device scaling but may also expand our understanding of the intrinsic quantum transports at the molecular level. Recently, in order to overcome the difficulties inherent in the conventional approach to studying molecular electronics and developing functional device applications, this field has attempted to diversify the electrical characteristics and device architectures using various types of heterogeneous structures in molecular junctions. This review summarizes recent efforts devoted to functional devices with molecular heterostructures. Diverse molecules and materials can be combined and incorporated in such two- and three-terminal heterojunction structures, to achieve desirable electronic functionalities. The heterojunction structures, charge transport mechanisms, and possible strategies for implementing electronic functions using various hetero unit materials are presented sequentially. In addition, the applicability and merits of molecular heterojunction structures, as well as the anticipated challenges associated with their implementation in device applications are discussed and summarized. This review will contribute to a deeper understanding of charge transport through molecular heterojunction, and it may pave the way toward desirable electronic functionalities in molecular electronics applications.
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