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Title

Novel platinum C3N4 nanotubes as a photoanode to enhance dye-sensitized solar cell efficiency

Year: 1397
COI: CLEANENERGY06_035
Language: EnglishView: 318
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Authors

Siavash Adhami - Department of Material Engineering, Isfahan University of Technology, Isfahan ۸۴۱۵۶–۸۳۱۱۱, Iran
Neda Irannejad - Department of Chemistry, Isfahan University of Technology, Isfahan ۸۴۱۵۶–۸۳۱۱۱, Iran
Behzad Rezaei - Department of Chemistry, Isfahan University of Technology, Isfahan ۸۴۱۵۶–۸۳۱۱۱, Iran
Elahe Khorshidi - Department of Chemistry, Isfahan University of Technology, Isfahan ۸۴۱۵۶–۸۳۱۱۱, Iran
Marzieh Ebrahimi - Department of Material Engineering, Isfahan University of Technology, Isfahan ۸۴۱۵۶–۸۳۱۱۱, Iran
Ahmad Kermanpur - Department of Material Engineering, Isfahan University of Technology, Isfahan ۸۴۱۵۶–۸۳۱۱۱, Iran

Abstract:

Herein, synthesized platinum C3N4 nanotubes (Pt/C3N4 NTs), AgNO3 and TiO2 were used to prepare decorated TiO2 nanocomposite (Pt/C 3N4 NTs/Ag/TiO2) with the hydrothermal method as a newly modified photoanode for dye-sensitized solar cell (DSSCs). The presence of Pt/C3N4 NTs and silver nanoparticles on TiO2 lead to an increase in specific surface area and creates the surface plasmonic effect which eventually makes a dramatic increase in photon to the current efficiency of the standard N719 DSSC. The photovoltaic performance of DSSC is studied by using impedance spectroscopy (EIS) and intensity modulated photocurrent spectroscopy (IMPS). Based on the results, the fabricated DSSC has comprehensive benefits such as efficient charge separation, low internal resistance and quick transmission of electrons which significantly contributes to reducing the recombination processes. As a result, after optimization of experimental and instrumental conditions, the short-circuit photocurrent density (JSC) and the power conversion efficiency (ŋ) of DSSC made based on the Pt/C3N4 NTs/Ag/TiO2 photoanode are 18.17 mA cm-2 and 6.98%, respectively, which resulted in 161% increase in the efficiency compared to conventional pure TiO2 DSSC.

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Paper COI Code

This Paper COI Code is CLEANENERGY06_035. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/969502/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Adhami, Siavash and Irannejad, Neda and Rezaei, Behzad and Khorshidi, Elahe and Ebrahimi, Marzieh and Kermanpur, Ahmad,1397,Novel platinum C3N4 nanotubes as a photoanode to enhance dye-sensitized solar cell efficiency,6th Annual Clean Energy Conference,Shiraz,https://civilica.com/doc/969502

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Type of center: دانشگاه دولتی
Paper count: 15,037
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