1
|
Sakthivel A, Chandrasekaran A, Soosaimanickam C, Li CZ, Alwarappan S. WS 2 quantum dots harvesting via sonication assisted liquid exfoliation for the electrochemical sensing of xanthine. NEW J CHEM 2022. [DOI: 10.1039/d2nj03446h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
WS2 quantum dots (QDs) were prepared by sonication assisted liquid exfoliation in dimethyl formamide (DMF) and dimethyl sulfoxide (DMSO).
Collapse
Affiliation(s)
- Arunkumar Sakthivel
- CSIR-Central Electrochemical Research Institute, Karaikudi 630 003, Tamilnadu, India
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, Uttar Pradesh, India
| | - Anitha Chandrasekaran
- CSIR-Central Electrochemical Research Institute, Karaikudi 630 003, Tamilnadu, India
| | | | - Chen-Zhong Li
- School of Medicine, Tulane University, New Orleans, Louisiana, USA
| | - Subbiah Alwarappan
- CSIR-Central Electrochemical Research Institute, Karaikudi 630 003, Tamilnadu, India
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, Uttar Pradesh, India
| |
Collapse
|
2
|
Zhai W, Xiong T, He Z, Lu S, Lai Z, He Q, Tan C, Zhang H. Nanodots Derived from Layered Materials: Synthesis and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2006661. [PMID: 34212432 DOI: 10.1002/adma.202006661] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/01/2020] [Indexed: 06/13/2023]
Abstract
Layered 2D materials, such as graphene, transition metal dichalcogenides, transition metal oxides, black phosphorus, graphitic carbon nitride, hexagonal boron nitride, and MXenes, have attracted intensive attention over the past decades owing to their unique properties and wide applications in electronics, catalysis, energy storage, biomedicine, etc. Further reducing the lateral size of layered 2D materials down to less than 10 nm allows for preparing a new class of nanostructures, namely, nanodots derived from layered materials. Nanodots derived from layered materials not only can exhibit the intriguing properties of nanodots due to the size confinement originating from the ultrasmall size, but also can inherit some unique properties of ultrathin layered 2D materials, making them promising candidates in a wide range of applications, especially in biomedicine and catalysis. Here, a comprehensive summary on the materials categories, advantages, synthesis methods, and potential applications of these nanodots derived from layered materials is provided. Finally, personal insights about the challenges and future directions in this promising research field are also given.
Collapse
Affiliation(s)
- Wei Zhai
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Tengfei Xiong
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Zhen He
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Shiyao Lu
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Zhuangchai Lai
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Qiyuan He
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Chaoliang Tan
- Department of Electrical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China
| |
Collapse
|
3
|
Understanding the excitation wavelength dependent spectral shift and large exciton binding energy of tungsten disulfide quantum dots and its interaction with single-walled carbon nanotubes. J Colloid Interface Sci 2020; 561:519-532. [DOI: 10.1016/j.jcis.2019.11.027] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 10/18/2019] [Accepted: 11/07/2019] [Indexed: 12/27/2022]
|