Direct conversion of metal organic frameworks into ultrafine phosphide nanocomposites in multicomponent plasma for wide pH hydrogen evolution

No Thumbnail Available
File version
Author(s)
Guo, Yanru
Zhang, Chunmei
Wu, Yong
Yu, Hongen
Zhang, Shaojun
Du, Aijun
Ostrikov, Kostya Ken
Zheng, Jie
Li, Xingguo
Griffith University Author(s)
Primary Supervisor
Other Supervisors
Editor(s)
Date
2020
Size
File type(s)
Location
License
Abstract

Benefiting from tailorable properties through electronic states, chemical composition and crystal structures, transition metal phosphides (TMPs) present a great impetus for electrocatalytic water splitting. However, most TMP nanostructures are prepared via rigorous synthetic methods and harmful precursors, restricting their applications. Meanwhile, the rational design of structural characteristics and surface modification of TMPs needs to be considered to improve their catalytic activity and durability in both alkaline and acidic media. Here we report a simultaneous MOF decomposition and phosphorization strategy in multicomponent NH3 plasma to prepare nickel phosphide encapsulated in N-doped carbon layers (Ni12P5@NC). The combination of the high chemical reactivity and low thermal effect of plasma enables low-temperature phosphorization with red phosphorus as the P source. Carambola-like Ni12P5@NC exhibits low overpotential (50 mV in alkali and 82 mV in acid, 20 mA cm-2) and superior operational stability, showing promising application toward water electrolysis.

Journal Title

Journal of Materials Chemistry A

Conference Title
Book Title
Edition
Volume

8

Issue

20

Thesis Type
Degree Program
School
Publisher link
Patent number
Funder(s)
Grant identifier(s)
Rights Statement
Rights Statement
Item Access Status
Note
Access the data
Related item(s)
Subject

Macromolecular and materials chemistry

Materials engineering

Other engineering

Science & Technology

Physical Sciences

Chemistry, Physical

Energy & Fuels

Persistent link to this record
Citation

Guo, Y; Zhang, C; Wu, Y; Yu, H; Zhang, S; Du, A; Ostrikov, KK; Zheng, J; Li, X, Direct conversion of metal organic frameworks into ultrafine phosphide nanocomposites in multicomponent plasma for wide pH hydrogen evolution, Journal of Materials Chemistry A, 2020, 8 (20), pp. 10402-10408

Collections