000202544 001__ 202544
000202544 005__ 20190317000032.0
000202544 0247_ $$2doi$$a10.1038/ncomms5477
000202544 022__ $$a2041-1723
000202544 02470 $$2ISI$$a000340623400022
000202544 037__ $$aARTICLE
000202544 245__ $$aExfoliation of layered double hydroxides for enhanced oxygen evolution catalysis
000202544 269__ $$a2014
000202544 260__ $$bNature Publishing Group$$c2014$$aLondon
000202544 300__ $$a9
000202544 336__ $$aJournal Articles
000202544 520__ $$aThe oxygen evolution reaction is a key reaction in water splitting. The common approach in the development of oxygen evolution catalysts is to search for catalytic materials with new and optimized chemical compositions and structures. Here we report an orthogonal approach to improve the activity of catalysts without alternating their compositions or structures. Specifically, liquid phase exfoliation is applied to enhance the oxygen evolution activity of layered double hydroxides. The exfoliated single-layer nanosheets exhibit significantly higher oxygen evolution activity than the corresponding bulk layered double hydroxides in alkaline conditions. The nanosheets from nickel iron and nickel cobalt layered double hydroxides outperform a commercial iridium dioxide catalyst in both activity and stability. The exfoliation creates more active sites and improves the electronic conductivity. This work demonstrates the promising catalytic activity of single-layered double hydroxides for the oxygen evolution reaction.
000202544 700__ $$0247290$$g234684$$aSong, Fang
000202544 700__ $$aHu, Xile$$g181278$$0242979
000202544 773__ $$j5$$tNature Communications$$q4477
000202544 8564_ $$uhttps://infoscience.epfl.ch/record/202544/files/Nature%20Comm-rev2-Hu-2.pdf$$zPostprint$$s969186$$yPostprint
000202544 909C0 $$xU11810$$0252113$$pLSCI
000202544 909CO $$ooai:infoscience.tind.io:202544$$qGLOBAL_SET$$pSB$$particle
000202544 917Z8 $$x181278
000202544 917Z8 $$x181278
000202544 937__ $$aEPFL-ARTICLE-202544
000202544 973__ $$rREVIEWED$$sPUBLISHED$$aEPFL
000202544 980__ $$aARTICLE