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Plasmonics Yields Surprisingly Efficient Electron Transport Via Assembly of Shell-Insulated Au Nanoparticles

40 Pages Posted: 13 Jun 2018 Sneak Peek Status: Published

See all articles by Chuanping Li

Chuanping Li

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

David Cahen

Weizmann Institute of Science - Department of Materials and Interfaces

Ping Wang

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

Haijuan Li

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

Jie Zhang

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

Yongdong Jin

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

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Abstract

Junctions built from metallic nanoparticles can circumvent the diffraction limit and marry molecular-/nano-electronics with plasmonics. However, experimental advances in plasmon-assisted electron transport at the nanoscale have been limited. We construct junctions of a robust, molecule-free, suspended film, built solely from AuNPs, capped by SiO2 shells (Au@SiO2), which give insulating tunneling gaps up to 3.6 nm between the NPs. Current measured across monolayers of such AuNPs shows ultra-long-range, plasmon-enabled electron transport (P-transport), beyond the range of normal electron tunneling across insulators. The finding challenges present understanding of electron transport in such systems and opens possibilities for future combinations of plasmonics and nanoelectronics.

Suggested Citation

Li, Chuanping and Cahen, David and Wang, Ping and Li, Haijuan and Zhang, Jie and Jin, Yongdong, Plasmonics Yields Surprisingly Efficient Electron Transport Via Assembly of Shell-Insulated Au Nanoparticles (2018). Available at SSRN: https://ssrn.com/abstract=3195359 or http://dx.doi.org/10.2139/ssrn.3195359
This is a paper under consideration at Cell Press and has not been peer-reviewed.

Chuanping Li

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

52 Sanlihe Rd.
Datun Road, Anwai
Beijing, Xicheng District 100864
China

David Cahen

Weizmann Institute of Science - Department of Materials and Interfaces

234 Herzl Street
Rehovot, 76100
Israel

Ping Wang

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

52 Sanlihe Rd.
Datun Road, Anwai
Beijing, Xicheng District 100864
China

Haijuan Li

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

52 Sanlihe Rd.
Datun Road, Anwai
Beijing, Xicheng District 100864
China

Jie Zhang

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry

52 Sanlihe Rd.
Datun Road, Anwai
Beijing, Xicheng District 100864
China

Yongdong Jin (Contact Author)

Chinese Academy of Sciences (CAS) - State Key Laboratory of Electroanalytical Chemistry ( email )

52 Sanlihe Rd.
Datun Road, Anwai
Beijing, Xicheng District 100864
China

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