A study of DSC using ultrasonic and thermal treatment on nano-crystalline TIO2 surface

Ji Tae Hong, Hyunwoong Seo, Ji Young Sim, Hee Je Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recently, there were many researches for efficiency improvement of DSC. Among of these works, research of surface treatment is still a prerequisite things for electron diffusion, light-harvesting and surface state of DSC[1]. Using of the surface treatment, it can be raise up porosity of TiO2 nano-crystalline structure on photo-electrode[2-5]. There are many ways to raise up its porosity such as chemical, physical, electrical and optical methods[7-9]. In this paper, we have designed and manufactured MOPA-PLL type ultrasonic circuit (100W, frequency and duty variable). Manufactured ultrasonic circuit to use to force physical vibration into TiO2 paste. Then, we have optimized forcing time, frequency and duty of ultrasonic irradiation for surface treatment of DSC photo-electrodes. In I-V characteristic test of DSC, ultrasonic and thermal treated DSC shows 19% improved its efficiency comparing with established DSC.

Original languageEnglish
Title of host publicationISES Solar World Congress 2007, ISES 2007
Pages1690-1694
Number of pages5
Publication statusPublished - Dec 1 2007
EventInternational Solar Energy Society Solar World Congress 2007, ISES 2007 - Beijing, China
Duration: Sep 18 2007Sep 21 2007

Publication series

NameISES Solar World Congress 2007, ISES 2007
Volume3

Other

OtherInternational Solar Energy Society Solar World Congress 2007, ISES 2007
CountryChina
CityBeijing
Period9/18/079/21/07

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment

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