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Synthesis of Water-Dispersible Single-Layer CoAl-Carbonate Layered Double Hydroxide

Title
Synthesis of Water-Dispersible Single-Layer CoAl-Carbonate Layered Double Hydroxide
Author(s)
Li, HaipingThanh-Nhan TranLee, Byong-JunZhang, ChunfeiPark, Jong-DeokKang, Tong-HyunYu, Jong-Sung
Issued Date
2017-06
Citation
ACS Applied Materials & Interfaces, v.9, no.24, pp.20294 - 20298
Type
Article
Author Keywords
single layermonolayerslayered double hydroxidecatalysisoxygen evolution
Keywords
Anion ExchangeCatalysisDelaminationElectrocatalyticEthyleneEthylene GlycolExfoliationFormamideHigh Specific Surface AreaLayered Double HydroxideLayered Double HydroxidesLDHMonolayersNanosheetsNitrateOxygen EvolutionOxygen Evolution CatalysisOxygen Evolution EfficiencyPerformancesReaction MediumSingle LayerWater Dispersible
ISSN
1944-8244
Abstract
Despite extensive study on single-layer layered double hydroxides (SL-LDHs) with NO3 - counterions, SL-LDHs with CO3 2- counterions (CO3 2- SL-LDHs) have never been prepared before. Herein, a CoAl-CO3 2- SL-LDH which stays stable in water and powdery state is first synthesized using ethylene glycol as a reaction medium. The SL-LDH, with thickness of ∼0.85 nm, is composed of one Co(Al)O6 layer sandwiched between two CO3 2- layers. The SL-LDH powder shows high specific surface area (∼289 m2/g) and excellent electrocatalytic oxygen evolution efficiency. This work provides the first simple way to prepare CO3 2- SL-LDHs and will open an avenue for synthesizing other SL-LDHs. © 2017 American Chemical Society.
URI
http://hdl.handle.net/20.500.11750/4148
DOI
10.1021/acsami.7b02912
Publisher
American Chemical Society
Related Researcher
  • 유종성 Yu, Jong-Sung
  • Research Interests Materials chemistry; nanomaterials; electrochemistry; carbon and porous materials; fuel cell; battery; supercapacitor; sensor and photochemical catalyst
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Appears in Collections:
Department of Energy Science and Engineering Light, Salts and Water Research Group 1. Journal Articles

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