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Two-layer organic photovoltaic cell from Alq³ and TPD film.
Back,Gernho,Yase, Kiyoshi 昌原大學校 基礎科學硏究所 1998 基礎科學硏究所論文集 Vol.10 No.-
특이한 전기발광장치는 방출요소로서 유기재료를 이용하여 제조되었다. 다이오드는 기체증착에 의해 만들어진 유기박막의 지중층 구조로 되어있다. 구멍과 전자의 효과적인 방출을 위해서는 인디움-틴 산화물 양극과 알루미늄 음극으로 제조되었다. EL방출은 정반응 바이아스 사이클(Forward bias cycle)의 18.1 V에서 관측되었다. 전자-구멍의 재조합과 녹색전기발광방출은 유기경계면 근처로 제한되어 있다.
Doping effect of solution-processed thin-film transistors based on polyfluorene
Lim, Eunhee,Jung, Byung-Jun,Chikamatsu, Masayuki,Azumi, Reiko,Yoshida, Yuji,Yase, Kiyoshi,Do, Lee-Mi,Shim, Hong-Ku Royal Society of Chemistry 2007 Journal of materials chemistry Vol.17 No.14
<P>We report the fabrication of solution-processable organic thin-film transistors (OTFTs) based on poly(9,9′-dioctylfluorene-<I>alt</I>-bithiophene) (F8T2) doped with an electron-acceptor, 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F<SUB>4</SUB>TCNQ). The 8% doping of the F8T2 film was found to result in an increased hole mobility, up to 0.01 cm<SUP>2</SUP> V<SUP>−1</SUP> s<SUP>−1</SUP>, and in an improved on/off ratio, as well as in a low off-current, of the order of 10<SUP>−11</SUP> A. The doped F8T2 device was also found to exhibit a better threshold voltage and reduced hysteresis behavior. These improvements in performance are attributed to the formation of the F8T2-F<SUB>4</SUB>TCNQ complex, which results in better hole injection and improved device stability.</P> <P>Graphic Abstract</P><P>Solution-processable organic thin-film transistors based on polyfluorene doped with an electron-acceptor (F<SUB>4</SUB>TCNQ) showed improved device performance by the formation of a charge-transfer complex. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=b615720c'> </P>
Back, Gern-Ho,Shin, Dong-Soo,Lee, Yong-Ill,Back, Seung-Chan,Jang, Ki-Wan,Kiyoshi Yase 昌原大學校 基礎科學硏究所 2000 基礎科學硏究所論文集 Vol.12 No.-
The optical properties of electroluminescent device(EL) fabricated using Alq3, (8-hydroxyquinoline)aluminum) and TPD (N,N'-bis(-3-methylphenyl)-(1,1'-biphenyl)-4,4'-diamine) with CuPc (copper phthalocyanine) buffer layer were investigated. The triple-layered EL device consists of five layers, ITO/CuPc/TPD/Alq3/Al and the cell was fabricated by vacuum evaporation method. We obtained a turn-on voltage at 5 V and the maximum emission peak at 525 nm from the measurement of EL spectrum, and EL intensities on the granularity tend to increase with the increasing the temperature of the CuPc substrate.