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Title:
Enhancing the Scratch Resistance by Introducing Chemical Bonding in Highly Stretchable and Transparent Electrodes
Author: Guo CF; Chen Y(陈艳); Tang L; Wang F; Ren ZF
Source: NANO LETTERS
Issued Date: 2016-01
Volume: 16, Issue:1, Pages:594-600
Abstract: Stretchable transparent electrodes are key elements in flexible electronics and e-skins. However, existing stretchable transparent electrodes, including graphene sheets, carbon nanotube, and metal nanowire networks, weakly adheres to the substrate by van der Waals forces. Such electrodes suffer from poor scratch-resistance or poor durability, and this issue has been one of the biggest problems for their applications in industry. Here we show that, by introducing a Au-S bond between a Au nanomesh (AuNM) and the underlying elastomeric substrate, the AuNM strongly adheres to the substrate and can withstand scratches of a pressure of several megapascals. We find that the strong chemical bond, on the other hand, leads to a stiffening effect and localized rupture of the AuNM upon stretching; thus the stretchability is poor. A prestraining process is applied to suppress the localized rupture and has successfully improved the stretchability: electrical resistance of the prestrained AuNM exhibits modest change by one-time stretching to 160%, or repeated stretching to 50% for 25 000 cycles. This conductor is an ideal platform for robust stretchable photoelectronics. The idea of introducing a covalent bond to improve the scratch-resistance may also be applied to other systems including Ag nanowire films, carbon nanotube films, graphene, and so forth.
Keyword: Scratch resistance ; Au-S bond ; stretchability ; localized rupture ; stretchable transparent electrodes
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Ren, ZF (reprint author), Univ Houston, Dept Phys, 3201 Cullen Blvd, Houston, TX 77204 USA.
Correspondent Email: zren@uh.edu
DOI: 10.1021/acs.nanolett.5b04290
Related URLs: 查看原文
DOC Type: 期刊论文
WOS Subject: Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Subject Extended: Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS Keyword Plus: SELF-ASSEMBLED MONOLAYERS ; SILICON SURFACE ; NETWORK ; GOLD ; FILMS ; NANOWIRES ; DEVICES ; UNIFORM ; CELLS
WOS ID: WOS:000368322700091
ISSN: 1530-6984
Funder: Funding for this work was provided by the US Department of Energy under Contract Number DOE DE-SC0010831/DE-FG02-13ER46917 and National Natural Science Foundation of China under Grant No. 11202221 and 11572324.
Rank: [Guo, Chuan Fei; Tang, Lu; Wang, Feng; Ren, Zhifeng] Univ Houston, Dept Phys, Houston, TX 77204 USA; [Guo, Chuan Fei; Tang, Lu; Wang, Feng; Ren, Zhifeng] Univ Houston, TcSUH, Houston, TX 77204 USA; [Chen, Yan] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Department: LNM冲击动力学与新型材料力学性能
Classification: 一类
First Institution (Yes or Not): False
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/58643
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
Guo CF,Chen Y,Tang L,et al. Enhancing the Scratch Resistance by Introducing Chemical Bonding in Highly Stretchable and Transparent Electrodes[J]. NANO LETTERS,2016-01-01,16(1):594-600.
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