NDLI: Microsphere assembly of boron-doped Rutile TiO$_{2}$ nanotubes with enhanced photoelectric performance

Content Provider	Springer Nature Link
Author	Hu, Bin Zhang, Qingsong Niu, Laiyou Liu, Juan Rao, Jun Zhou, Xingfu
Copyright Year	2015
Abstract	The boron-doped TiO$_{2}$ nanotubes assembled microspheres are fabricated for the first time based on our previously proposed anisotropic corrosion mechanism. The obtained samples are screen-printed onto the surface of FTO glass for the application in dye sensitized solar cell (DSSC). The XRD patterns demonstrate the main phase is rutile and the incorporated boron exists at interstitial sites of TiO$_{2}$ lattice. The Tafel curves indicate that the flat-band potential of boron doped TiO$_{2}$ shifts positively, while the band gap shown in the UV–visible spectra remains unchanged. The electrochemical impedance spectroscopy is employed to investigate the charge transfer properties of DSSCs which shows boron-doped TiO$_{2}$ has enhanced electron conductivity and extended electron lifetime. Both advantages are of great importance for the boron-doped photovoltaic device to achieve the favorable photoelectric conversion efficiency of 2.98 % under AM 1.5 illumination of 100 mW cm$^{−2}$, which is 51 % higher than that of the un-doped one.
Starting Page	8915
Ending Page	8921
Page Count	7
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	26
Issue Number	11
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2015-08-14
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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