并四苯单晶中离域激子跃迁的偏振超辐射
材料科学
2013-05-01 v1
摘要
报道了并四苯单晶中的偏振超辐射发射和激子离域。偏振、时间和温度分辨光谱证实了本征并四苯发射的零声子线来自下Davydov激子(F态)和上Davydov激子(热激活)的完全偏振。F发射的超辐射通过辐射寿命随温度几乎线性下降得到证实,在30 K时辐射寿命比孤立分子短15倍,激子离域范围约为40个分子。
引用
@article{arxiv.1304.7958,
title = {Polarized superradiance from delocalized exciton transitions in tetracene single crystals},
author = {Andrea Camposeo and Marco Polo and Silvia Tavazzi and Leonardo Silvestri and Peter Spearman and Roberto Cingolani and Dario Pisignano},
journal= {arXiv preprint arXiv:1304.7958},
year = {2013}
}
备注
14 pages, 4 figures