In Situ Transformation of MOFs into Layered Double Hydroxide Embedded Metal Sulfides for Improved Electrocatalytic and Supercapacitive Performance

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 29(2017), 26 vom: 01. Juli
1. Verfasser: Yilmaz, Gamze (VerfasserIn)
Weitere Verfasser: Yam, Kah Meng, Zhang, Chun, Fan, Hong Jin, Ho, Ghim Wei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article electrocatalysts hydrogen evolution reaction layered double hydroxides metal organic frameworks supercapacitors
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520 |a Direct adoption of metal-organic frameworks (MOFs) as electrode materials shows impoverished electrochemical performance owing to low electrical conductivity and poor chemical stability. In this study, we demonstrate self-templated pseudomorphic transformation of MOF into surface chemistry rich hollow framework that delivers highly reactive, durable, and universal electrochemically active energy conversion and storage functionalities. In situ pseudomorphic transformation of MOF-derived hollow rhombic dodecahedron template and sulfurization of nickel cobalt layered double hydroxides (NiCo-LDHs) lead to the construction of interlayered metal sulfides (NiCo-LDH/Co9 S8 ) system. The embedment of metal sulfide species (Co9 S8 ) at the LDH intergalleries offers optimal interfacing of the hybrid constituent elements and materials stability. The hybrid NiCo-LDH/Co9 S8 system collectively presents an ideal porous structure, rich redox chemistry, and high electrical conductivity matrix. This leads to a significant enhancement in its complementary electrocatalytic hydrogen evolution and supercapacitive energy storage properties. This work establishes the potential of MOF derived scaffold for designing of novel class hybrid inorganic-organic functional materials for electrochemical applications and beyond 
650 4 |a Journal Article 
650 4 |a electrocatalysts 
650 4 |a hydrogen evolution reaction 
650 4 |a layered double hydroxides 
650 4 |a metal organic frameworks 
650 4 |a supercapacitors 
700 1 |a Yam, Kah Meng  |e verfasserin  |4 aut 
700 1 |a Zhang, Chun  |e verfasserin  |4 aut 
700 1 |a Fan, Hong Jin  |e verfasserin  |4 aut 
700 1 |a Ho, Ghim Wei  |e verfasserin  |4 aut 
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