کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6536433 | 49326 | 2013 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electrodeposited NiO anode interlayers: Enhancement of the charge carrier selectivity in organic solar cells
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
کاتالیزور
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چکیده انگلیسی
Nickel oxide (NiO) thin films prepared by cathodic electrodeposition exhibit superior electrical performace than PEDOT:PSS when used as anode interlayers of bulk-heterojunction solar cells. Devices incorporating 30 nm-thick NiO films firstly annealed at 320 °C in air and posteriorly treated with UV-O3 reach power conversion efficiencies comparable to that obtained for PEDOT:PSS-based cells. NiO interlayers enhance contact selectivity by simulataneously increasing shunt resistance (lower leakage current related to electron-blocking ability), and reducing hole-extraction resistance. Carrier selectivity is quantified from the resistance components associated with the impedance response of the anode contacts. The versatile electrodeposition technique of NiO interlayers permits avoiding PEDOT:PSS use as it presents disadvantages related to its acid character and hygroscopic nature.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Solar Energy Materials and Solar Cells - Volume 117, October 2013, Pages 564-568
Journal: Solar Energy Materials and Solar Cells - Volume 117, October 2013, Pages 564-568
نویسندگان
Teresa Ripolles-Sanchis, Antonio Guerrero, Eneko Azaceta, Ramon Tena-Zaera, Germà Garcia-Belmonte,