R. Fujioka, Tatsuya Fukushima, Y. Koshiba, K. Ishida
{"title":"Characterization of optical and photoelectric properties of a new boron-based organic semiconductor in the near-infrared regions","authors":"R. Fujioka, Tatsuya Fukushima, Y. Koshiba, K. Ishida","doi":"10.7567/ssdm.2017.ps-10-07","DOIUrl":null,"url":null,"abstract":"Optical and photoelectric properties, especially in near infrared ray (NIR) region, of dibenzopyrromethane boron chelate derivatives (BODIPY-Ph) were investigated. The BODIPY-Ph vacuum-evaporated thin films showed broad-band absorption in the wavelength rang of 600-1000 nm with the peak at 770 nm. The NIR organic photodetector (OPD) fabricated with BODIPY-Ph exhibited photocurrent of 2.18×10 -3 mA/cm 2 at 1.5 V under 800 nm irradiation. This value was about 700 times higher than dark current at the same voltage. These results suggest that BODIPY-Ph is one of the promising candidates for use in NIR-OPDs.","PeriodicalId":22504,"journal":{"name":"The Japan Society of Applied Physics","volume":"1 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2017-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Japan Society of Applied Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.7567/ssdm.2017.ps-10-07","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Optical and photoelectric properties, especially in near infrared ray (NIR) region, of dibenzopyrromethane boron chelate derivatives (BODIPY-Ph) were investigated. The BODIPY-Ph vacuum-evaporated thin films showed broad-band absorption in the wavelength rang of 600-1000 nm with the peak at 770 nm. The NIR organic photodetector (OPD) fabricated with BODIPY-Ph exhibited photocurrent of 2.18×10 -3 mA/cm 2 at 1.5 V under 800 nm irradiation. This value was about 700 times higher than dark current at the same voltage. These results suggest that BODIPY-Ph is one of the promising candidates for use in NIR-OPDs.
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