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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
Authors
Li, HaipingThanh-Nhan TranLee, Byong-JunZhang, ChunfeiPark, Jong-DeokKang, Tong-HyunYu, Jong-Sung
DGIST Authors
Li, Haiping; Thanh-Nhan Tran; Lee, Byong-Jun; Zhang, Chunfei; Park, Jong-Deok; Kang, Tong-Hyun; Yu, Jong-Sung
Issue Date
2017-06-21
Citation
ACS Applied Materials and Interfaces, 9(24), 20294-20298
Type
Article
Article Type
Article
Keywords
Anion ExchangeCatalysisCatalysisDelaminationElectrocatalyticEthyleneEthylene GlycolExfoliationFormamideHigh Specific Surface AreaLayered Double HydroxideLayered Double HydroxidesLDHMonolayersMonolayersNanosheetsNitrateOxygen EvolutionOxygen EvolutionOxygen Evolution CatalysisOxygen Evolution EfficiencyPerformancesReaction MediumSingle LayerSingle 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
  • Author Yu, Jong Sung Light, Salts and Water Research Group
  • Research Interests Materials chemistry; nanomaterials; electrochemistry; carbon and porous materials; fuel cell; battery; supercapacitor; sensor and photochemical catalyst
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Collection:
Energy Science and EngineeringETC1. Journal Articles
ETC1. Journal Articles
Energy Science and EngineeringLight, Salts and Water Research Group1. Journal Articles


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