Electrically driven transport of photoinduced hot carriers in carbon nanotube fibers

被引：1
作者：
Liu, Yu [1 ]
Hu, Qianqian [2 ]
Wang, Pengfei [1 ]
Wei, Jinquan [3 ]
Huang, Feng [1 ]
Sun, Jia-Lin [2 ]
机构：
[1] Fuzhou Univ, Coll Mech Engn & Automat, Fuzhou 350108, Peoples R China
[2] Tsinghua Univ, Dept Phys, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Sch Mat Sci & Engn, Key Lab Adv Mat Proc Technol, Educ Minist, Beijing 100084, Peoples R China
来源：
OPTICS LETTERS | 2021年 / 46卷 / 20期
关键词：
RAMAN-SPECTRA;
D O I：
10.1364/OL.441709
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Hot carriers play a significant role in applications of photovoltaics, photodetection, and photocatalysis. However, effective methods for observing the ultrafast dynamic processes of hot carriers are concentrated on the time domain, on which it is difficult and complex to operate. We propose a novel, to the best of our knowledge, and creative strategy to convert the time-domain dynamic process into a spatially thermal redistribution in suspended carbon nanotube fibers. The large average free path of photoinduced hot holes ensures a prominent offset of temperature distribution. The experimental results confirm the theory about electrically driven transport of hot holes, which has rarely been reported. (C) 2021 Optical Society of America
引用
收藏
页码：5228 / 5231
页数：4
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