TiO2/TaON- and TiO2/BiOI-based solid-state solar cells

Bashir Ahmmad, Junichi Kurawaki, Takahiro Ohkubo, Fumihiko Hirose

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A three-phase solid-state solar cell (SSSC) has been developed successfully using TaON nanoparticles or BiOI microspheres as a sensitizer material over a TiO2 film and CuI as a hole collector. Stable current (I sc)-voltage (Voc) curves are found under ultraviolet UV visible light irradiation with an efficiency of 0.15% and 0.10% for TaON- and BiOI-based solar cells, respectively. The observed photocurrents in SSSCs are approximately 10 and 48 times higher than those in wet-type solar cells (WSCs) based on TaON and BiOI, respectively. A plausible mechanism of charge transfer and hole filling is discussed in terms of the band gap energy and band position of the semiconductor materials.

Original languageEnglish
Pages (from-to)338-342
Number of pages5
JournalJournal of Energy Engineering
Volume139
Issue number4
DOIs
Publication statusPublished - 2013

Fingerprint

Solar cells
Microspheres
Photocurrents
Charge transfer
irradiation
Energy gap
Irradiation
Semiconductor materials
Nanoparticles
Electric potential
energy
solar cell
solid state
material
semiconductor
nanoparticle

Keywords

  • Bismuth oxyiodide (BiOI)
  • Solid-state solar cell (SSSC)
  • Tantalum oxynitride (TaON)

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal
  • Civil and Structural Engineering

Cite this

TiO2/TaON- and TiO2/BiOI-based solid-state solar cells. / Ahmmad, Bashir; Kurawaki, Junichi; Ohkubo, Takahiro; Hirose, Fumihiko.

In: Journal of Energy Engineering, Vol. 139, No. 4, 2013, p. 338-342.

Research output: Contribution to journalArticle

Ahmmad, Bashir ; Kurawaki, Junichi ; Ohkubo, Takahiro ; Hirose, Fumihiko. / TiO2/TaON- and TiO2/BiOI-based solid-state solar cells. In: Journal of Energy Engineering. 2013 ; Vol. 139, No. 4. pp. 338-342.
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