Engineered core-shell nanofibers for electron transport study in dye-sensitized solar cells

被引：5
作者：
Shabdan, Y. [1 ]
Ronasi, A. [2 ]
Coulibaly, P. [2 ]
Moniruddin, M. [2 ]
Nuraje, N. [2 ]
机构：
[1] Al Farabi Kazakh Natl Univ, Dept Phys & Technol, Alma Ata, Kazakhstan
[2] Texas Tech Univ, Dept Chem Engn, Lubbock, TX 79409 USA
来源：
AIP ADVANCES | 2017年 / 7卷 / 06期
关键词：
ONE-DIMENSIONAL NANOSTRUCTURES; TITANIA NANOFIBERS; CARBON NANOTUBES; EFFICIENCY; COLLECTION; CONVERSION; FIBERS; FILMS; OXIDE;
D O I：
10.1063/1.4983181
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, a unique approachwas developed to synthesize 1-D core-shell nanofibers of carbon nanotubes (CNTs) and TiO2 using combination of coaxial electrospinning and sol-gel technique. Diameters of the fabricated core-shell single wall carbon nanotube-TiO2 (SWCNT-TiO2) and multi wall carbon nanotube-TiO2 (MWCNT-TiO2) nano-composite fibers were between 50-100nm. Energy dispersive spectroscopy (EDS) and X-ray photon spectroscopy (XPS) were applied to confirm encapsulation of carbon nanotube (CNT) in the core-shell structure. Electron transport properties of both SWCNT-TiO2 and MWCNT-TiO2 in the Dye-sensitized solar cells (DSSCs) were studied for the first time. It was found that SWCNT-TiO2 based DSSC provided higher short circuit current relative to MWCNT-TiO2, which was explained by I-V and bode plots. These findings were further illustrated by semiconductive properties of SWCNT. (C) 2017 Author(s).
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页数：7
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