Chemical-photo-electricity diagrams by Ohm’s law – A case study of Ni-doped TiO2 solutions in dye-sensitized solar cells

Chuen-Shii Chou, Yan-Hao Huang, Ping Wu and Yi-Ting Kuo

Applied Energy, 2014, vol. 118, issue C, 12-21

Abstract: Unlike phase diagrams, which reveal only the chemical equilibrium in a system, starting from Ohm’s law, we constructed chemical-photo-electricity diagrams to display the relationship among materials chemistry, processing conditions of working electrodes, and photo-current/voltage of dye-sensitized solar cells (DSSCs). We derived new equations that quantify the above relationship by using the DSSC with Ni-doped TiO2 solid solution as an example. The same principles and procedures can be applied to construct chemical-photo-electricity diagrams for other solid solutions in not only photo-voltaic like solar cells but also general optoelectronic and electrochemistry research. Besides being a practical tool, these diagrams may also provide opportunities for a new theory that quantitatively couples chemistry with photo-electricity in semiconductors.

Keywords: Dye-sensitized solar cell; Ohm’s law; Photo-electricity; Ni-doped TiO2 solid solution (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:118:y:2014:i:c:p:12-21

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DOI: 10.1016/j.apenergy.2013.12.012

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