Surfactant-Assisted Isolation of Small-Diameter Boron-Nitride Nanotubes for Molding One-Dimensional van der Waals Heterostructures

被引：17

作者：

Furusawa, Shinpei ^{[1
]}

Nakanishi, Yusuke ^{[1
]}

Yomogida, Yohei ^{[1
]}

Sato, Yuta ^{[2
]}

Zheng, Yongjia ^{[3
]}

Tanaka, Takumi ^{[1
]}

Yanagi, Kazuhiro ^{[1
]}

Suenaga, Kazu ^{[4
]}

Maruyama, Shigeo ^{[3
]}

Xiang, Rong ^{[3
,5
]}

Miyata, Yasumitsu ^{[1
]}

机构：

[1] Tokyo Metropolitan Univ, Dept Phys, Tokyo 1920397, Japan

[2] Natl Inst Adv Ind Sci & Technol, Nanomat Res Inst, Tsukuba 3058565, Japan

[3] Univ Tokyo, Dept Mech Engn, Tokyo 1138565, Japan

[4] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan

[5] Zhejiang Univ, Sch Mech Engn, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 310027, Peoples R China

来源：

ACS NANO | 2022年 / 16卷 / 10期

关键词：

one-dimensional materials; van der Waals heterostructure; boron-nitride nanotube; carbon nanotube; molybdenum disulfide nanotube; surfactant; chemical vapor deposition; WALLED CARBON NANOTUBES; 2-DIMENSIONAL MATERIALS; ELECTRONIC-PROPERTIES; NANORIBBONS; NANOWIRES; PHOTOLUMINESCENCE; SOLUBILIZATION; ULTRANARROW; GRAPHENE; GROWTH;

D O I：

10.1021/acsnano.2c06067

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Rolling two-dimensional (2D) materials into 1D nanotubes allows for greater functionality. Boron-nitride nanotubes (BNNTs) can serve as insulating 1D templates for the coaxial growth of guest nanotubes, without interfering with property characterization. However, their application as 1D templates has been greatly hindered by their poor dispersibility, inevitably resulting in the formation of thick bundles. Here we present the facile preparation of well-dispersed BNNT templates via surfactant dispersions and synthesis of 1D van der Waals heterostructures based on the BNNTs. Comprehensive microscopic analyses show the isolation of clean, high quality BNNTs. Statistical analyses revealed that small-diameter double-walled BNNTs are highly enriched by chemical peeling of BN sidewalls through the sonication process. We further demonstrate that the isolated BNNTs can template the coaxial growth of carbon and MoS2 nanotubes by using chemical vapor deposition. The present strategy can be applied to the synthesis of a variety of nanotubes, thereby allowing for their characterization.

引用

页码：16636 / 16644

页数：9