000184641 001__ 184641
000184641 005__ 20180913061806.0
000184641 0247_ $$2doi$$a10.1016/j.egypro.2012.05.223
000184641 022__ $$a1876-6102
000184641 02470 $$2ISI$$a000310698900017
000184641 037__ $$aCONF
000184641 245__ $$aTaOxNy Sputtered Photoanodes For Solar Water Splitting
000184641 260__ $$aAmsterdam$$bElsevier Science Bv$$c2012
000184641 269__ $$a2012
000184641 300__ $$a8
000184641 336__ $$aConference Papers
000184641 490__ $$aEnergy Procedia
000184641 520__ $$aA series of TaOxNy photoelectrodes were deposited on F:SnO2 (FTO) substrates by DC reactive sputtering at room temperature, under a mixture of Ar, N-2 and O-2. The effects of the O-2 partial pressure during deposition (Po-2) on the films crystallinity, their chemical composition, their morphology as well as their absorption and photoelectrochemical properties have been investigated. The increase of PO2 led to the modification of film crystallinity, which evolved from a semicrystalline Ta3N5 structure to an amorphous state. The increase of the Po-2 also led to the increases of the oxygen content, of the bandgap energy and of the films roughness. Preliminary photoelectrochemical (PEC) investigations have been performed through current-voiltage measurements. An optimal Po-2 has been highlighted, corresponding to a tradeoff between, on the one hand, the amorphization of the films -which degrades PEC performances - and on the other, the tuning of the chemical composition as well as of the bandgap energy. (C) 2012 Published by Elsevier Ltd. Selection and/or peer review under responsibility of European Material Research Society (E-MRS)
000184641 6531_ $$atantalum
000184641 6531_ $$aoxynitrides
000184641 6531_ $$anitrides
000184641 6531_ $$asputtering
000184641 6531_ $$awater splitting
000184641 700__ $$0244234$$aLeroy, C. M.$$g197225
000184641 700__ $$aSanjines, R.
000184641 700__ $$0244210$$aSivula, K.$$g178220
000184641 700__ $$0244218$$aCornuz, M.$$g166600
000184641 700__ $$0241564$$aXanthopoulos, N.$$g106753
000184641 700__ $$aLaporte, V.
000184641 700__ $$0240191$$aGraetzel, M.$$g105292
000184641 7112_ $$aEMRS Symposium T on Materials for Solar Hydrogen via Photo-Electrochemical Production held at the EMRS Spring Meeting
000184641 720_1 $$0240191$$aGratzel, M.$$eed.$$g105292
000184641 773__ $$j22$$q119-126$$tEmrs Symposium T: Materials For Solar Hydrogen Via Photo-Electrochemical Production
000184641 909C0 $$0252414$$pLIMNO$$xU12534
000184641 909C0 $$0252060$$pLPI$$xU10101
000184641 909CO $$ooai:infoscience.tind.io:184641$$pconf$$pSB
000184641 917Z8 $$x105528
000184641 937__ $$aEPFL-CONF-184641
000184641 973__ $$aEPFL$$rREVIEWED$$sPUBLISHED
000184641 980__ $$aCONF