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Aero-Sol-Gel Synthesis of Mesoporous TiO2 Nanoparticles and Their Photovoltaic Properties in Dye-Sensitized Solar Cells

Published online by Cambridge University Press:  22 May 2012

Ji Young Ahn ,
Kook Joo Moon ,
Ji Hoon Kim  and
Soo Hyung Kim
Ji Young Ahn
Affiliation:
Department of Nano Fusion Technology, College of Nanoscience & Nanotechnology, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea.
Kook Joo Moon
Affiliation:
Department of Samsung Advanced Integrated Circuit, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea.
Ji Hoon Kim
Affiliation:
Department of Nano Fusion Technology, College of Nanoscience & Nanotechnology, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea.
Soo Hyung Kim*
Affiliation:
Department of Nano Fusion Technology, College of Nanoscience & Nanotechnology, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea. Department of Samsung Advanced Integrated Circuit, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea. Department of Nanomechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, 30 Jangjeon-dong, Geumjung-gu, Busan 609-735, Republic of Korea.
*
*corresponding author: sookim@pusan.ac.kr
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Abstract

Highly mesoporous TiO2 nanoparticles (NPs) were synthesized by an aero-sol-gel process in this approach. By varying the mass fraction of inorganic templates, the formation of mesoporous TiO2 NPs with optimized surface area and pore volume distributions was examined. Then, the photovoltaic properties of the resulting mesoporous TiO2 NPs were systematically investigated by applying them into the photoanode of dye-sensitized solar cells (DSSCs). The mesoporous TiO2 NP-based DSSCs fabricated in this study showed an improved short circuit current density and power conversion efficiency compared with solid TiO2 NP-based DSSCs due to the increase of the amount of inorganic dye (N719) adsorption in the mesoporous TiO2 NPs. These mesoporous TiO2 NPs fabricated have a strong potential as an effective dye supporting and electron transfer medium to improve the photovoltaic performance of DSSCs.

Keywords

nanostructurenanoscaleTi
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1442: Symposium Q – Titanium Dioxide Nanomaterials—2012 , 2012 , mrss12-1442-q08-06
Copyright
Copyright © Materials Research Society 2012

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References

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