High density decoration of noble metal nanoparticles on polydopamine-functionalized molybdenum disulphide

被引：23

作者：

Hussain, Muhammad Asif ^{[1
,2
]}

Yang, MinHo ^{[3
]}

Lee, Tae Jae ^{[4
]}

Kim, Jung Won ^{[1
]}

Choi, Bong Gill ^{[1
]}

机构：

[1] Kangwon Natl Univ, Dept Chem Engn, Samcheok 245711, South Korea

[2] Kangwon Natl Univ, Dept Adv Mat Engn, Samcheok 245711, South Korea

[3] Korea Adv Inst Sci & Technol, Grad Sch Nanosci & Technol, Daejeon 305701, South Korea

[4] NNFC, Dept Nano Bio Res, Daejeon 305701, South Korea

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2015年 / 451卷

基金：

新加坡国家研究基金会;

关键词：

Composite materials; Nanostructures; Polymers; Chemical synthesis; Ultrasonic techniques; SONOCHEMICAL SYNTHESIS; GRAPHENE; MOS2; NANOSHEETS;

D O I：

10.1016/j.jcis.2015.03.062

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：

Here, we report a highly stable colloidal suspension of nanoparticles (i.e., Pt and Au)-deposited MoS2 sheets, in which polydopamine (PD) serves as surface functional groups. The adoption of polydopamine coating onto the MoS2 surface enables homogeneous deposition of nanoparticles in an aqueous solution. As-synthesized nanohybrids are thoroughly characterized by transmission electron microscopy (TEM), Raman spectroscopy, and X-ray diffraction (XRD) measurement. These intensive investigations reveal that noble metal nanocrystals are uniformly distributed on the surface of ultrathin MoS2 sheets (similar to 4 layers). Moreover, as-prepared Au/PD/MoS2 nanohybrids can be applied as a heterogeneous catalyst for reduction of 4-nitrophenol to 4-aminophenol, and they exhibit an excellent catalytic activity. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：216 / 220

页数：5

共 19 条

[1] Optical second-harmonic generation study of exfoliated MoS2-malachite green inclusion materials [J].