Chinese Journal of Liquid Crystals and Displays, Volume. 38, Issue 5, 555(2023)
Circularly polarized photodetector based on chiral polythiophene block copolymer
Fig. 3. 1H NMR（600 MHz）spectra of different polymers.（a）PPI30；（b）P3HT80；（c）P3HT80-PPI（L）30.
Fig. 5. Optical properties of P3HT80 and P3HT80-PPI（L）30 films.（a）UV-Vis absorption spectra of P3HT80 and P3HT80-PPI（L）30 films；（b）CD absorption spectra of P3HT80 and P3HT80-PPI（L）30 films.
Fig. 7. Electrical properties of the P3HT80 and P3HT80-PPI（L）30 devices.（a，b）Transfer characteristic curves of P3HT80 and P3HT80-PPI（L）30；（c，d）Output characteristic curves of P3HT80 and P3HT80-PPI（L）30.
Fig. 8. Distinguishing characteristics of the P3HT80 and P3HT80-PPI（L）30 devices for circularly polarized light.（a）Transfer characteristic curves of P3HT80 device under dark conditions，L-CPL and R-CPL，respectively；（b）Transfer characteristic curves of P3HT80-PPI（L）30 device under dark conditions，L-CPL and R-CPL，respectively.
Table 1. Electrical parameters of P3HT80-PPI（L）30 and P3HT80 devices
View tableView in ArticleTable 1. Electrical parameters of P3HT80-PPI（L）30 and P3HT80 devices
Polymer Stimulation IDS（VGS=-80 V） Mobility/（cm2·V-1·s-1） Vth/V Ion/Ioff P3HT80-PPI（L）30
P3HT80
Dark
R-CPL
L-CPL
Dark
R-CPL
L-CPL
4.96×10-8
5.74×10-8
6.27×10-8
9.76×10-6
15.2×10-6
15.1×10-6
1.02×10-4
1.21×10-4
1.24×10-4
2.96×10-2
3.67×10-2
3.82×10-2
19.7
23.5
32.8
-2.22
8.54
9.01
102～103
102～103
102～103
104～105
104～105
104～105
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Qi HU, Yun-hao XU, Si-yu CHEN, Long-long JIANG, Long-zhen QIU, Xiao-hong WANG. Circularly polarized photodetector based on chiral polythiophene block copolymer[J]. Chinese Journal of Liquid Crystals and Displays, 2023, 38(5): 555
Category: Research Articles
Received: Feb. 9, 2023
Accepted: --
Published Online: Jul. 4, 2023
The Author Email: Xiao-hong WANG (xhwang11@hfut.edu.cn)
