Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/2852
Full metadata record
DC FieldValueLanguage
dc.contributor.authorAashish, A-
dc.contributor.authorRamakrishnan, R-
dc.contributor.authorSudha, J D-
dc.contributor.authorSankaran, M-
dc.contributor.authorKrishnapriya, G-
dc.date.accessioned2017-07-10T06:53:51Z-
dc.date.available2017-07-10T06:53:51Z-
dc.date.issued2016-07-
dc.identifier.citationSolar Energy Materials and Solar Cells, 151:169-178en_US
dc.identifier.issn0927-0248-
dc.identifier.urihttp://hdl.handle.net/123456789/2852-
dc.description.abstractThis paper presents a novel photoanode system of self-assembled hybrid Polyvinylcarbazole (PVK)– titania nanocomposites (PVTs) using template guided polymerization in a mixed phase of rutile–anatase titania nanotubes. Mixed crystalline phase of titania was prepared by aminolysis process through a controllable capping mechanism. During vinyl carbazole (VK) addition, the charges present on the surface of titania adsorb VK molecules and act as a template during propagation and allow the growing PVK molecular chains adhere along the walls of the titania nanotubes via the combination of various noncovalent interactions. UV–vis spectral band of PVT exhibited broad band with red shift revealing its synergistic effect of harvesting photons. Morphological and XRD studies revealed the preservation of tubular shape and mixed phase of rutile–anatase in PVT nanotubes. Dye sensitized solar cells (DSSCs) were fabricated with PVTs as photoanode using N719 dye as the photo-sensitizer. Conduction mechanism of the excited charge carriers in the device was studied by electrochemical impedance analysis. The presence of mixed anatase–rutile titania phase enhanced the electron transfer thereby reducing the charge recombination which is manifested from the studies made using individual phase of titania. PVT based cell characteristics were optimized to be Voc¼0.83 V, Jsc¼12.01 mA/cm2, FF¼30.22 with an overall power conversion efficiency of η¼3.03% which suggests that the present strategy can be exploited for the development of efficient photoanode systems.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectNanotubesen_US
dc.subjectCrystal phaseen_US
dc.subjectTitaniaen_US
dc.subjectConducting polymeren_US
dc.subjectElectron microscopyen_US
dc.subjectDSSCen_US
dc.titleSelf-Assembled Hybrid Polyvinylcarbazole-titania Nanotubes as an Efficient Photoanode for Solar Energy Harvestingen_US
dc.typeArticleen_US
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
Self-assembled hybrid - Ashish A - Solar Energy Materials & Solar Cells.pdf
  Restricted Access
2.34 MBAdobe PDFView/Open Request a copy


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.