An electrochemically stable Ag@Au-Co core-shell nanowire network-based transparent conductor for flexible self-powered Zn-based electrochromic smart devices

Zhang，He1,2; Feng，Jiayun1; Sun，Fangyuan2; Zhou，Dongyan2; Cao，Ge2; Wu，Zhuohuan1; Wang，Shang1; Su，Fengyu3; Tian，Yanqing2,4; Tian，Yanhong1

2022-12-21

10.1039/d2ma01036d

Materials Advances   Impact Factor & Quartile

2633-5409

Silver nanowires (AgNWs) are important materials used to fabricate flexible transparent conductors (FTCs) for next-generation wearable electronics. However, the electrochemical instability still limits their practical application in electrochemical devices. Herein, highly stable FTCs are demonstrated via coating an Au-Co alloy shell around an AgNW core by electrodeposition. The AgNW@Au-Co core-shell network exhibited excellent resistance against chemical (in HO solution for 200 s) and electrochemical corrosion (electrochemical anodic corrosion in 1 M HSO solution for 100 s). Meanwhile, the modified FTC also possessed good optoelectrical performance and high mechanical stability (2000 bending cycles) owing to the firm metallic bonding between the stacked NWs during the electrodeposition process. To evaluate the improvement in electrochemical stability, a prototype of a self-powered polyaniline electrochromic smart system based on the versatile AgNW@Au-Co network FTC was fabricated, and it exhibited a high optical modulation range (41.22%) and good energy-storage performance (4 mF cm). Our strategy of introducing a protective alloy shell onto AgNW by electrodeposition opens a new door for realizing high-performance FTCs by a facile method to broaden their application in flexible electrochemical devices.

ESCI

English

Corresponding

National Natural ScienceFoundation of China[52175300] ; Heilongjiang Tou-yan Innovation Team Program[HITTY-20190013] ; Shenzhen Fundamental Research Programs[JCYJ20200925160843002] ; SUSTech[Y01256114]

Materials Science

Materials Science, Multidisciplinary

WOS:000907627700001

ROYAL SOC CHEMISTRY

2-s2.0-85146056880

Scopus

1.State Key Laboratory of Advanced Welding and Joining,Harbin Institute of Technology,Harbin,150001,China
2.Department of Materials Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
3.Academy for Advanced Interdisciplinary Studies,Southern University of Science and Technology,Shenzhen,518055,China
4.Key Laboratory of Energy Conversion and Storage Technology (Southern University of Science and Technology),Ministry of Education,Shenzhen,518055,China

Zhang，He,Feng，Jiayun,Sun，Fangyuan,et al. An electrochemically stable Ag@Au-Co core-shell nanowire network-based transparent conductor for flexible self-powered Zn-based electrochromic smart devices[J]. Materials Advances,2022,4(4):995-1004.

Zhang，He.,Feng，Jiayun.,Sun，Fangyuan.,Zhou，Dongyan.,Cao，Ge.,...&Tian，Yanhong.(2022).An electrochemically stable Ag@Au-Co core-shell nanowire network-based transparent conductor for flexible self-powered Zn-based electrochromic smart devices.Materials Advances,4(4),995-1004.

Zhang，He,et al."An electrochemically stable Ag@Au-Co core-shell nanowire network-based transparent conductor for flexible self-powered Zn-based electrochromic smart devices".Materials Advances 4.4(2022):995-1004.