Poling field strength dependent photoluminescence of disperse red-19
Photoluminescence of disperse red-19 (DR-19) have been investigated with various poling field strengths.Two step synthetic processes were employed to employ the DR-19 to the TiO2 sol-gel including a urethane bond formation between a DR-19 (-OH) and a 3-isocyanatopropyl triethoxysilane (ICPTES,-N=C=O) and the hydrolysis of the ethoxy group from the ICPTES and condensation reaction between silanol groups from ICPTES and TiO2.The composite was coated to the ITO coated glass substrate.Corona poling were performed before drying the composite with various electric field strengths.The photoluminescence also decreased as the poling field increased.There is long luminescence tail for the poled TiO2DR19 film compared with unpoled TiO2DR19 film.The luminescence long tail indicates that the self-trapped excitons and small polarons were generated when the film poled relatively low electric field.
Dong-Hyun Jo Sae-Han Lim Do-Gyun Kim Jin-Young Park Rei-Hyan Park Byoung-Ju Kim Kwang-Sun Kang
Department of New and Renewable Energy,Kyungil University,50 Gamasilgil Hayangup Gyeongsan,Gyeongbuk Department of Chemical Engineering,Kyungil University,50 Gamasilgil Hayangup Gyeongsan,Gyeongbuk 712 Department of Mechatronics,Kyungil University,50 Gamasilgil Hayangup Gyeongsan,Gyeongbuk 712-701,Sou
国际会议
2014 Asia Communications and Photonics Conference(ACP2014)(2014亚洲通信与光子学大会)
上海
英文
1-2
2014-11-11（万方平台首次上网日期，不代表论文的发表时间）