Liquid-Liquid Interface-Assisted Self-Assembly of Ag-Doped ZnO Nanosheets for Atomic Switch Application

被引：0

作者：

Pradhan, Itishree ^{[1
]}

Mahapatra, Anwesha ^{[1
]}

Samal, Priyanka Priyadarshani ^{[1
]}

Mishra, Puneet ^{[2
]}

Kumar, Prashant ^{[3
]}

Nayak, Alpana ^{[1
]}

机构：

[1] Indian Inst Technol Patna, Dept Phys, Patna 801106, India

[2] Cent Univ South Bihar, Dept Phys, Gaya 824236, India

[3] Univ Newcastle, Global Innovat Ctr Adv Nanomat, Callaghan Campus, Callaghan, NSW 2308, Australia

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2023年 / 15卷 / 01期

关键词：

FILMS; EXFOLIATION; SENSITIVITY; PERFORMANCE; TENSIONS;

D O I：

10.1021/acs.jpclett.3c02791

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Developing facile and inexpensive methods for obtaining large-area two-dimensional semiconducting nanosheets is highly desirable for mass-scale device application. Here, we report a method for producing uniform and large-area films of a Ag-doped ZnO (AZO) nanosheet network via self-assembly at the hexane-water interface by controlling the solute/solvent ratio. The self-assembled film comprises of uniformly tiled nanosheets with size similar to 1 mu m and thicknesses similar to 60-100 nm. Using these films in a Pt/AZO/Ag structure, an atomic switch operation is realized. The switching mechanism is found to be governed by electrochemical metallization with nucleation as the rate-limiting step. Our results establish the protocol for large-scale device applications of AZO nanosheets for exploring advanced atomic switch-based neuromorphic systems.

引用

页码：165 / 172

页数：8

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