NDLI: Hydrothermal synthesis of rutile TiO$_{2}$ bottle brush for efficient dye-sensitized solar cells

Content Provider	Springer Nature Link
Author	Mali, Sawanta S. Patil, J. V. Kadam, P. M. Deshamukh, H. P. Shim, Chang Su Patil, Pramod S. Hong, Chang Kook
Copyright Year	2014
Abstract	Hydrothermal process has been employed to synthesize titanium oxide (TiO$_{2}$) bottle brush. The nanostructured bottle brushes with tetragonal nanorods of ~75 nm diameter have been synthesized by changing the nature of the precursors and hydrothermal processing parameters. The morphological features and structural properties of TiO$_{2}$ films were investigated by field emission scanning electron microscopy, X-ray diffraction, high-resolution transmission electron spectroscopy, Fourier transform Raman spectroscopy, and X-ray photoelectron spectroscopy. The influence of such nanostructures on the performance of dye-sensitized solar cells (DSSCs) is investigated in detail. The interface and transient properties of these nanorods and bottle brush-based photoanodes in DSSCs were analyzed by electrochemical impedance spectroscopic measurements in order to understand the critical factors contributing to such high power conversion efficiency. Surface area of sample was recorded using Brunauer–Emmett–Teller measurements. It is found that bottle brush provides effective large surface area 89.34 m$^{2}$ g$^{−1}$ which is much higher than TiO$_{2}$ nanorods 63.7 m$^{2}$ g$^{−1}$. Such effective surface area can facilitate the effective light harvesting, and hence improves the dye adsorption and the photovoltaic performance of DSSCs, typically in short-circuit photocurrent and power conversion efficiency. A best power conversion efficiency of 6.63 % has been achieved. We believe that the present device performance would have wide interests in dye-sensitized solar cell research.
Starting Page	1
Ending Page	11
Page Count	11
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	16
Issue Number	6
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-05-07
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hydrothermally processed TiO$_{2}$ bottle brush Raman 6.63 % solar conversion efficiency Energy Nanotechnology Inorganic Chemistry Characterization and Evaluation of Materials Physical Chemistry Optics, Optoelectronics, Plasmonics and Optical Devices
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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