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Enhancement of quantum efficiency of a dye-sensitized electrochemical cell by using triturated zinc oxide mixed with two organic dyes, azure C and rose bengal
Bandyopadhyay, Poonam; Basu, Ruma; Das, Sukhen; Bhar, Durga Shankar; Manchanda, Rajkumar; Nandy, Papiya.
Affiliation
  • Bandyopadhyay, Poonam; Centre for Interdisciplinary Research and Education. Kolkata. IN
  • Basu, Ruma; Centre for Interdisciplinary Research and Education. Kolkata. IN
  • Das, Sukhen; Centre for Interdisciplinary Research and Education. Kolkata. IN
  • Bhar, Durga Shankar; Centre for Interdisciplinary Research and Education. Kolkata. IN
  • Manchanda, Rajkumar; Central Council for Research in Homeopathy. New Delhi. IN
  • Nandy, Papiya; Centre for Interdisciplinary Research and Education. Kolkata. IN
Int. j. high dilution res ; 16(1): 1-6, 2017. ilus, tab
Article in English | LILACS | ID: biblio-972911
Responsible library: BR926.1
ABSTRACT
For efficiently utilising solar energy, when suitable nanoparticles are being engineered, triturated zinc oxide an eco-friendly, easily available, low-cost material has been used as an agent for solar energy conversion. Two organic dyes Azure C and Rose bengal having absorption bands in two different spectral regions at 545 nm and 610 nm respectively, were chosen in order to overcome the band absorption limits of each dye and utilise the broad spectrum of solar radiation. The material was mixed with these two dyes in a specially devised electrochemical cell and photovoltage with significant efficiency was generated. The energy conversion efficiency of the cell using three different potencies 6C, 30C and 200C of triturated zinc oxide with the same concentration of two dyes (0.5x10-5 M) in all cases are 0.39%, 0.43% and 0.35% respectively. The efficiency is only 0.15% for the mixed dye under similar conditions.
Subject(s)

Full text: Available Collection: International databases Database: LILACS Main subject: Rose Bengal / Azure Stains / Zinc Oxide / High Potencies / Adsorption / Electrochemistry Language: English Journal: Int. j. high dilution res Journal subject: Homeopathy / Terapias Complementares Year: 2017 Document type: Article Affiliation country: India Institution/Affiliation country: Central Council for Research in Homeopathy/IN / Centre for Interdisciplinary Research and Education/IN
Full text: Available Collection: International databases Database: LILACS Main subject: Rose Bengal / Azure Stains / Zinc Oxide / High Potencies / Adsorption / Electrochemistry Language: English Journal: Int. j. high dilution res Journal subject: Homeopathy / Terapias Complementares Year: 2017 Document type: Article Affiliation country: India Institution/Affiliation country: Central Council for Research in Homeopathy/IN / Centre for Interdisciplinary Research and Education/IN
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