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journal article·2021-04

High‐Yield Exfoliation of Ultrathin 2D Ni3Cr2P2S9 and Ni3Cr2P2Se9 Nanosheets

Zhuangchai Lai, Apoorva Chaturvedi, Zhenyu Shi, Jiangqi Zhao, Thu Ha Tran, Bo Chen, Ying Huang, Xiehong Cao, Qiyuan He, Zhiyuan Zeng, Chaoliang Tan, Hua Zhang

Small· Volume 17· Issue 14
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Source abstract

Abstract

Abstract Multinary layered 2D nanomaterials can exhibit distinct physicochemical properties and innovative applications as compared to binary 2D nanomaterials due to their unique crystal structures. However, it still remains a challenge for the high‐yield preparation of high‐quality multinary 2D nanosheets. Here, the high‐yield and large‐scale production of two quaternary metal thiophosphate nanosheets are reported, i.e., Ni3Cr2P2S9 and Ni3Cr2P2Se9, via the liquid exfoliation of their layered bulk crystals. The exfoliated single‐crystalline Ni3Cr2P2S9 nanosheets, with a lateral size ranging from a few hundred nanometers to a few micrometers and thickness of 1.4 ± 0.2 nm, can be easily used to prepare flexible thin films via a simple vacuum filtration process. As a proof‐of‐concept application, the fabricated thin film is used as a supercapacitor electrode with good specific capacitance. These high‐yield, large‐scale, solution‐processable quaternary metal thiophosphate nanosheets could also be promising in other applications like biosensors, cancer therapies, and flexible electronics.
Source: crossref · Quality: baseline

Research context

Energy storageNanomaterials

OpenAlex topics: 2D Materials and Applications · MXene and MAX Phase Materials · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Center for Programmable Materials School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore

Department of Chemistry City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong China

Department of Materials Science and Engineering City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong China

State Key Laboratory of Environment‐Friendly Energy Materials School of Material Science and Engineering Southwest University of Science and Technology Mianyang 621010 China

College of Materials Science and Engineering Zhejiang University of Technology 18 Chaowang Road Hangzhou Zhejiang 310014 China

Department of Electrical Engineering 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

Funding

City University of Hong Kong

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