کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5143731 | 1496807 | 2017 | 24 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
How does a little difference in structure determine whether molecules have thermally activated delayed fluorescence characteristic or not?
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The results indicate that the HOMO and LUMO distributions of 1 and 2 are similar and the radiative decay rate (kr) of 1 is even greater than that of 2. However, 2 has smaller singlet-triplet energy splitting (ÎEST) and larger spin-orbital coupling (SOC) strength than 1. Besides, 2 has a smaller energy gap between S1/T1 minimum energy crossing point (MECP) and S1 than 1, indicating that it is easy for 2 to realize reverse intersystem crossing (RISC) from T1 to S1. Therefore, the parameters including ÎEST, SOC and MECP between S1 and T1 are fairly important factors determining the TADF characteristic of 2.238
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Organic Electronics - Volume 50, November 2017, Pages 70-76
Journal: Organic Electronics - Volume 50, November 2017, Pages 70-76
نویسندگان
Ying Gao, Tan Su, Liang Zhao, Yun Geng, Yong Wu, Min Zhang, Zhong-Min Su,