A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2

Ruthenium(II) complex containing cis-[Ru(H2dcbiq)(L)(NCS)2], where H2dcbiq = 4,4′-dicarboxy-2,2′-biquinoline and L = 4,4′-di-tert-butyl-2-2′-dipyridyl coded as SPS-02, was synthesized and fully characterized. This complex showed appreciably broad absorption range. The new complex was used as photose...

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Main Authors: Surya Prakash Singh, K. S. V. Gupta, P. Srinivasu, Ashraful Islam, Mohammad Rezaul Karim
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Journal of Chemistry
Online Access:http://dx.doi.org/10.1155/2013/367617
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author Surya Prakash Singh
K. S. V. Gupta
P. Srinivasu
Ashraful Islam
Mohammad Rezaul Karim
author_facet Surya Prakash Singh
K. S. V. Gupta
P. Srinivasu
Ashraful Islam
Mohammad Rezaul Karim
author_sort Surya Prakash Singh
collection DOAJ
description Ruthenium(II) complex containing cis-[Ru(H2dcbiq)(L)(NCS)2], where H2dcbiq = 4,4′-dicarboxy-2,2′-biquinoline and L = 4,4′-di-tert-butyl-2-2′-dipyridyl coded as SPS-02, was synthesized and fully characterized. This complex showed appreciably broad absorption range. The new complex was used as photosensitizer in nanocrystalline TiO2 dye-sensitized solar cell application. cis-[Ru(H2dcbiq)(L)(NCS)2] (SPS-02) achieved efficient sensitization of nanocrystalline TiO2 over the whole visible range, extending into the near-IR region (ca. 1000 nm) with superior short-circuit photocurrent density ( = 9.13 mA cm−2) and conversion efficiency (η = 2.09%) compared with complex cis-[Ru(H2dcbiq)2(NCS)2] (1) under an irradiation of full sunlight (100 mW cm−2).
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id doaj-art-68bd29a80f9f405299fa5260f63adf61
institution OA Journals
issn 2090-9063
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language English
publishDate 2013-01-01
publisher Wiley
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series Journal of Chemistry
spelling doaj-art-68bd29a80f9f405299fa5260f63adf612025-08-20T02:35:25ZengWileyJournal of Chemistry2090-90632090-90712013-01-01201310.1155/2013/367617367617A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2Surya Prakash Singh0K. S. V. Gupta1P. Srinivasu2Ashraful Islam3Mohammad Rezaul Karim4Inorganic and Physical Chemistry Division, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500607, IndiaInorganic and Physical Chemistry Division, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500607, IndiaInorganic and Physical Chemistry Division, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500607, IndiaPhotovoltaic Materials Unit, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, JapanCenter of Excellence for Research in Engineering Materials (CEREM), College of Engineering, King Saud University, Riyadh 11421, Saudi ArabiaRuthenium(II) complex containing cis-[Ru(H2dcbiq)(L)(NCS)2], where H2dcbiq = 4,4′-dicarboxy-2,2′-biquinoline and L = 4,4′-di-tert-butyl-2-2′-dipyridyl coded as SPS-02, was synthesized and fully characterized. This complex showed appreciably broad absorption range. The new complex was used as photosensitizer in nanocrystalline TiO2 dye-sensitized solar cell application. cis-[Ru(H2dcbiq)(L)(NCS)2] (SPS-02) achieved efficient sensitization of nanocrystalline TiO2 over the whole visible range, extending into the near-IR region (ca. 1000 nm) with superior short-circuit photocurrent density ( = 9.13 mA cm−2) and conversion efficiency (η = 2.09%) compared with complex cis-[Ru(H2dcbiq)2(NCS)2] (1) under an irradiation of full sunlight (100 mW cm−2).http://dx.doi.org/10.1155/2013/367617
spellingShingle Surya Prakash Singh
K. S. V. Gupta
P. Srinivasu
Ashraful Islam
Mohammad Rezaul Karim
A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2
Journal of Chemistry
title A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2
title_full A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2
title_fullStr A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2
title_full_unstemmed A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2
title_short A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2
title_sort new heteroleptic biquinoline ruthenium ii sensitizer for near ir sensitization of nanocrystalline tio2
url http://dx.doi.org/10.1155/2013/367617
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