Ultrasonic-assisted synthesis of ZnO nano particles decked with few layered graphene nanocomposite as photoanode in dye-sensitized solar cell

Satish Bykkam; Venkateshwara Rao Kalagadda; Bikshalu Kalagadda; Karthik Paneer Selvam; Yasuhiko Hayashi

doi:10.1007/s10854-016-6301-8

Ultrasonic-assisted synthesis of ZnO nano particles decked with few layered graphene nanocomposite as photoanode in dye-sensitized solar cell

Satish Bykkam, Venkateshwara Rao Kalagadda, Bikshalu Kalagadda, Karthik Paneer Selvam, Yasuhiko Hayashi

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

ZnO decked few layered graphene (FLG; 1.0, 2.0 and 3.0 wt%) nanocomposites were synthesized by simple and cost effective way using ultrasonic-assisted synthesis method. The morphological, optical and structural properties of as-synthesized nanocomposites were analyzed by field emission scanning electron microscopy and high-resolution transmission electron microscopy, UV–Visible spectroscopy with diffuse reflectance, fourier transform infrared spectroscopy, X-ray diffractometry and ramam spectroscopy. The synthesized FLG (1.0, 2.0 and 3.0 wt%)/ZnO nanocomposite were used as photoanode materials and deposited as thin films on fluorine-doped tin oxide substrate by doctor blade method for dye-sensitized solar cell (DSSC) fabrication. By varying the FLG weight percentage (1.0, 2.0 and 3.0 wt%) in ZnO nanocomposites the power conversion efficiency (PCE) in DSSC was optimized. Using N719 dye the current density–voltage (J–V) was measured under AM 1.5G, 100 m W/m² of the solar simulator. Results obtained after optimization showed PCE of 4.61% at the suitable FLG (1.0 wt%)/ZnO, compared to ZnO and other photoanodes.

Original language	English
Pages (from-to)	6217-6225
Number of pages	9
Journal	Journal of Materials Science: Materials in Electronics
Volume	28
Issue number	8
DOIs	https://doi.org/10.1007/s10854-016-6301-8
Publication status	Published - Apr 1 2017

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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Ultrasonic-assisted synthesis of ZnO nano particles decked with few layered graphene nanocomposite as photoanode in dye-sensitized solar cell. / Bykkam, Satish; Kalagadda, Venkateshwara Rao; Kalagadda, Bikshalu; Selvam, Karthik Paneer; Hayashi, Yasuhiko.

In: Journal of Materials Science: Materials in Electronics, Vol. 28, No. 8, 01.04.2017, p. 6217-6225.

Research output: Contribution to journal › Article › peer-review

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abstract = "ZnO decked few layered graphene (FLG; 1.0, 2.0 and 3.0 wt%) nanocomposites were synthesized by simple and cost effective way using ultrasonic-assisted synthesis method. The morphological, optical and structural properties of as-synthesized nanocomposites were analyzed by field emission scanning electron microscopy and high-resolution transmission electron microscopy, UV–Visible spectroscopy with diffuse reflectance, fourier transform infrared spectroscopy, X-ray diffractometry and ramam spectroscopy. The synthesized FLG (1.0, 2.0 and 3.0 wt%)/ZnO nanocomposite were used as photoanode materials and deposited as thin films on fluorine-doped tin oxide substrate by doctor blade method for dye-sensitized solar cell (DSSC) fabrication. By varying the FLG weight percentage (1.0, 2.0 and 3.0 wt%) in ZnO nanocomposites the power conversion efficiency (PCE) in DSSC was optimized. Using N719 dye the current density–voltage (J–V) was measured under AM 1.5G, 100 m W/m2 of the solar simulator. Results obtained after optimization showed PCE of 4.61% at the suitable FLG (1.0 wt%)/ZnO, compared to ZnO and other photoanodes.",

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