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المؤلفShikoh A.S.
المؤلفAhmad Z.
المؤلفTouati F.
المؤلفShakoor R.A.
المؤلفBhadra J.
المؤلفAl-Thani N.J.
تاريخ الإتاحة2022-05-22T11:03:06Z
تاريخ النشر2017
اسم المنشورRSC Advances
المصدرScopus
المعرّفhttp://dx.doi.org/10.1039/c7ra06193e
معرّف المصادر الموحدhttp://hdl.handle.net/10576/31438
الملخصThe current study presents a new type of inexpensive and very sensitive bulk heterojunction (BHJ) organic photo-sensor (OPS) configuration that incorporates a layer of liquid electrolyte into the conventional BHJ photodiode arrangement. Initially, a P3HT:PCBM blend based photo-anode was deposited onto ITO substrates using spin coating. Then the semiconductor coated photo-anode was attached to a Pt/ITO counter electrode. A 40m gap between photo-anode and counter electrode was filled with a liquid (iodine based) HI-30 electrolyte. Various electrical parameters including ideality factor, series and shunt resistance were extracted from the current-voltage characteristics under dark and light conditions. The value of mobility measured under dark conditions was found to be 25.58 ? 10-6 m2 V-1 s-1. In addition, the samples were found to have a series and shunt resistance of 133.33 and 74.70k, respectively. Under illumination, the fabricated photodiodes exhibited a linear current-irradiance relationship, with a rapid response time, when exposed to transient light, thus making the newly proposed hybrid BHJ photo-diode configuration a potential alternative to the conventional photo-sensors.
اللغةen
الناشرRoyal Society of Chemistry
الموضوعAnodes
Current voltage characteristics
Electrolytes
Heterojunctions
Light
Optical sensors
Photodiodes
Bulk heterojunction (BHJ)
Counter electrodes
Electrical parameter
Ideality factors
Light conditions
Liquid electrolytes
Rapid response time
Series and shunt resistances
Electrochemical sensors
العنوانA BHJ-thin-film/liquid-electrolyte based electrochemical-sensor for visible light-detection
النوعArticle
الصفحات35445-35450
رقم العدد56
رقم المجلد7
dc.accessType Abstract Only


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