000205293 001__ 205293
000205293 005__ 20181203023750.0
000205293 0247_ $$2doi$$a10.1016/j.jphotochem.2014.11.018
000205293 022__ $$a1010-6030
000205293 02470 $$2ISI$$a000348269500027
000205293 037__ $$aARTICLE
000205293 245__ $$aEffect of pi-spacers on the photovoltaic properties of D-pi-A based organic dyes
000205293 260__ $$bElsevier Science Sa$$c2015$$aLausanne
000205293 269__ $$a2015
000205293 300__ $$a9
000205293 336__ $$aJournal Articles
000205293 520__ $$aThree new triphenylamine based D-pi-pi-A (TPC, TSC and TOC) dyes with different pi-spacers have been synthesized and analysed their significance on the photophysical properties and photovoltaic applications. The synthesized dyes were characterized by NMR, mass, melting point, absorbance and electrochemical measurements. In these dyes, triphenylamine moiety was utilized as electron donor and cyanoacetic acid acts as an electron acceptor. By keeping phenyl acetonitrile as one pi-spacer and another pi-spacer is varied by benzeneifuran/thiophene group and their consequences on the photophysical, electrochemical and photovoltaic properties were analysed. Photovoltaic parameter such as short circuit current density (J(SC)) and open circuit voltage (V-OC) is found to be significantly varied by changing the pi-spacer. The maximum absorption was observed for TSC with thiophene linker which results in high J(SC) value than TPC and TOC. However, a high V-OC of TPC results in better photovoltaic performance of 3.52% among other dyes. The outcome from the photophysical and photovoltaic measurements implies that the phenyl and thiophene spacer yields higher power conversion efficiency when compared to the furan bridged dye. The observed results will provide basic information for future designing of sensitizers with different pi-spacers for photovoltaic applications. (C) 2014 Elsevier B.V. All rights reserved.
000205293 6531_ $$aTriphenylamine
000205293 6531_ $$api-Spacer
000205293 6531_ $$aPhenylacetonitrile
000205293 6531_ $$aElectrochemical properties
000205293 6531_ $$aPhotovoltaic
000205293 6531_ $$aIPCE
000205293 700__ $$uBharathidasan Univ, Sch Chem, Tiruchimppalli 620024, Tamil Nadu, India$$aSivanadanam, Jagadeeswari
000205293 700__ $$uBharathidasan Univ, Sch Chem, Tiruchimppalli 620024, Tamil Nadu, India$$aGanesan, Paramaguru
000205293 700__ $$uBharathidasan Univ, Sch Chem, Tiruchimppalli 620024, Tamil Nadu, India$$aMadhumitha, Rajakumar
000205293 700__ $$aNazeeruddin, Md. Khaja
000205293 700__ $$uBharathidasan Univ, Sch Chem, Tiruchimppalli 620024, Tamil Nadu, India$$aRajalingam, Renganathan
000205293 773__ $$j299$$tJournal Of Photochemistry And Photobiology A-Chemistry$$q194-202
000205293 909C0 $$xU12965$$0252519$$pGMF
000205293 909CO $$pSB$$particle$$ooai:infoscience.tind.io:205293
000205293 917Z8 $$x207176
000205293 937__ $$aEPFL-ARTICLE-205293
000205293 973__ $$rREVIEWED$$sPUBLISHED$$aEPFL
000205293 980__ $$aARTICLE