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논문 기본 정보

자료유형
학술저널
저자정보
Byoung-Ju Kim (Kyungil University) Un-Jei Hwang (Kyungil University) Dong-Hyun Jo (Kyungil University) Sae-Han Lim (Kyungil University) Kwang-Sun Kang (Kyungil University)
저널정보
한국태양광발전학회 Current Photovoltaic Research Current Photovoltaic Research (CPVR) Vol.3 No.1
발행연도
2015.3
수록면
5 - 9 (5page)

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초록· 키워드

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Absorption and luminescence characteristics of disperse red-19 (DR-19) and TiO₂ composite have been investigated with various poling electric field strengths. Two step synthetic processes were employed to employ the DR-19 to the TiO₂ sol-gel. Firstly, urethane bond formation between DR-19 (-OH) and 3-isocyanatopropyl triethoxysilane (ICPTES, -N=C=O) performed (ICPDR) prior incorporation to the TiO₂ sol-gel. Secondary, the hydrolysis of the ethoxy group from the ICPTES and condensation reaction between silanol groups from ICPTES and TiO₂ sol-gel were performed. The ICPDR and TiO₂ sol-gel (DRTiO₂) were mixed and stirred for several days. The composite was coated to the ITO coated glass substrate. Corona poling were performed before drying the composite with various electric field strengths. The absorption intensity decreased with the increase of the poling field strength, which resulted in the increase of poling efficiency. The photoluminescence also decreased as the poling field strength increased. There is long luminescence tail for the poled DRTiO₂ film compared with unpoled DRTiO₂ film. The luminescence long tail indicates that the self-trapped excitons and polarons were generated when the DRTiO₂ film was poled with electric field.

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ABSTRACT
1. Introduction
2. Experimental
3. Results and discussion
4. Conclusions
References

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