Ultrasonication-assisted synthesis of high aspect ratio gold nanowires on a graphene template and investigation of their growth mechanism

被引：17
|
作者：
Xin, Wenbo [1 ]
De Rosa, Igor M. [1 ,2 ]
Cao, Yang [3 ]
Yin, Xunqian [4 ]
Yu, Hang [1 ]
Ye, Peiyi [1 ]
Carlson, Larry [2 ]
Yang, Jenn-Ming [1 ]
机构：
[1] Univ Calif Los Angeles, Dept Mat Sci & Engn, 410 Westwood Plaza, Los Angeles, CA 90095 USA
[2] Univ Calif Los Angeles, Inst Technol Adv, 410 Westwood Plaza, Los Angeles, CA 90095 USA
[3] Atmospher Data Solut LLC, 1992 Racquet Hill, Santa Ana, CA 92705 USA
[4] Shandong Univ Sci & Technol, Sch Mat Sci & Engn, Econ & Technol Dev Zones, 579 Qianwangang Rd, Qingdao 26650, Shandong, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2018年 / 54卷 / 33期
关键词：
SYMMETRY-BREAKING; AU NANOWIRES; ORIENTED ATTACHMENT; INTERFACIAL BONDS; ELECTRON-TRANSFER; SHAPE CONTROL; NANOPARTICLES; SILVER; OXIDE; NANOSTRUCTURES;
D O I：
10.1039/c8cc01727a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report a facile synthesis of Au nanowires (AuNWs) with a high aspect ratio (l/D) of up to 5000 on a plasma activated graphene template with ultrasound assistance. We demonstrate that the ultra-sonication induced symmetry breaking of Au clusters facilitates the growth of AuNWs from the embryonic stages. Furthermore, the growth mechanism of AuNWs is systematically investigated using high resolution electron transmission microscopy (HRTEM), which reveals the unique role of the defective graphene template in directing the growth of AuNWs.
引用
收藏
页码：4124 / 4127
页数：4
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