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Enhanced photovoltaic performance of Cu-based metal-organic frameworks sensitized solar cell by addition of carbon nanotubes.

Authors
  • Lee, Deok Yeon
  • Shin, Chan Yong
  • Yoon, Seog Joon
  • Lee, Haw Young
  • Lee, Wonjoo
  • Shrestha, Nabeen K
  • Lee, Joong Kee
  • Han, Sung-Hwan
Type
Published Article
Journal
Scientific Reports
Publisher
Springer Nature
Publication Date
Jan 01, 2014
Volume
4
Pages
3930–3930
Identifiers
DOI: 10.1038/srep03930
PMID: 24488110
Source
Medline
License
Unknown

Abstract

In the present work, TiO2 nanoparticle and multi-walled carbon nanotubes composite powder is prepared hydrothermally. After doctor blading the paste from composite powder, the resulted composite film is sensitized with Cu-based metal-organic frameworks using a layer-by-layer deposition technique and the film is characterized using FE-SEM, EDX, XRD, UV/Visible spectrophotometry and photoluminescence spectroscopy. The influence of the carbon nanotubes in photovoltaic performance is studied by constructing a Grätzel cell with I3(-)/I(-) redox couple containing electrolyte. The results demonstrate that the introduction of carbon nanotubes accelerates the electron transfer, and thereby enhances the photovoltaic performance of the cell with a nearly 60% increment in power conversion efficiency.

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