کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7873415 | 1509334 | 2018 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
New hole transport materials with 1,2-dimethoxyphenyl as the terminal groups
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
بیومتریال
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
Two new compounds (J1 and J2) are synthesized and used as hole transport materials (HTMs) for perovskite solar cells (PSCs). In J1 and J2, 1,2-dimethoxyphenyl is used as the terminal group, with tetraphenyl ethylene and 9,â9â²-âspirobi[9H-âfluorene] ring as the core structure, respectively. Compared to the commonly used methoxyl end group, there are two methoxyl units on 1,2-dimethoxyphenyl, which enhances the electron-donating ability of the end groups. Additionally, the introduced phenyl ring could extend Ï conjugation of the whole molecule, which is favorable for electron delocalization and charge transporting. Planar PSCs are fabricated, and J2-based device shows a power conversion efficiency (PCE) of 15.07%, with a short-circuit current density (Jsc) of 20.37âmA cmâ2, an open-circuit voltage (Voc) of 1020âmV and a fill factor (FF) of 0.73.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Synthetic Metals - Volume 244, October 2018, Pages 150-154
Journal: Synthetic Metals - Volume 244, October 2018, Pages 150-154
نویسندگان
Yu Ji, Rui Wang, Yahan Shan, Fei Wu, Linna Zhu,