A Novel Fabrication of Single Electron Transistor from Patterned Gold Nanoparticle Array Template Prepared by Polystyrene Nanospheres

Release time:2022-10-06

Impact Factor:5.719

DOI number:10.3390/nano12183102

Journal:Nanomaterials

Place of Publication:Switzerland

Funded by:Natural Science Foundation of Hunan Province (Grant 2022JJ30717)

Key Words:single electron transistor; gold nanoparticle; self-assemble; Coulomb blockade

Abstract:In this paper, polystyrene microspheres were firstly prepared by seeded emulsion polymerization, and the uniform monolayer of polystyrene microspheres was prepared on the substrate by the dipping method. Then, polystyrene monolayer film was used as a mask and a low dimensional array structure of gold was prepared by bottom-up self-assembly process. After that, the method of solution etching and annealing was used, and the gold nanoparticle array was post-processed. As a result, gold nanoparticles were recrystallized, with an average diameter of about 50 nm. Subsequently, the semiconductor process was adopted, with focused ion beams induced deposition and electron beam evaporation, and single electron transistors were fabricated, based on self-assembled gold nanoparticles. Finally, the devices were fixed in a liquid helium cryostat and Coulomb blockade was observed at 320 mK. It is a novel fabrication of a single electron transistor based on gold nanoparticle array template and prepared with polystyrene nanospheres.

Co-author:Xinxing Li, Wenke Xie

First Author:Jingyue Fang

Indexed by:Journal paper

Correspondence Author:Kehui Sun

Discipline:Engineering

First-Level Discipline:Electronic Science and Technology

Document Type:J

Volume:12

Issue:18

Page Number:3102-3110

ISSN No.:2079-4991

Translation or Not:no

Date of Publication:2022-09-07

Included Journals:SCI

Links to published journals:https://www.mdpi.com/2079-4991/12/18/3102