Photoinduced excimer generation in perylene diimide dimer: effects of solvent polarity [Invited]

Guangliu Ran; Hang Wang; Yujing Song; Yahui Liu; Zhishan Bo; Wenkai Zhang

doi:10.3788/COL202220.100009

Chinese Optics Letters, Volume. 20, Issue 10, 100009(2022)

Photoinduced excimer generation in perylene diimide dimer: effects of solvent polarity [Invited]

Guangliu Ran¹, Hang Wang², Yujing Song¹, Yahui Liu², Zhishan Bo^2,3, and Wenkai Zhang^1、*

¹Department of Physics and Applied Optics Beijing Area Major Laboratory, Center for Advanced Quantum Studies, , Beijing 100875, China

²College of Textiles & Clothing, , Qingdao 266071, China

³Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, , Beijing 100875, China

show less

Figures & Tables(8)

Fig. 1. (a) Molecular structure of PDI-C5; (b) molecular structure of PDI-II; (c) normalized absorption and fluorescence spectra of PDI-C5 in solvents; (d) normalized absorption and fluorescence spectra of PDI- II in solvents.

Download full size

View in Article

Fig. 2. TA spectra at selected delay time of PDI-C5 in (a), (d) DCM, (b), (e) THF, and (c), (f) acetone. (a)–(c) show short time decay range. (d)–(f) show long time decay range. Excited at 480 nm.

Download full size

View in Article

Fig. 3. TA spectra at selected delay time of PDI-II in (a), (d) DCM, (b), (e) THF, and (c), (f) acetone. (a)–(c) show short time decay range. (d)–(f) show long time decay range. Excited at 480 nm.

Download full size

View in Article

Fig. 4. Global target analysis results derived from Fs-TA of PDI-C5. SADSs and population of PDI-C5 in (a), (d) DCM, (b), (e) THF, and (c), (f) acetone (LE is locally excited, CT is charge transfer, and GS is ground state).

Download full size

View in Article

Fig. 5. Global target analysis results derived from Fs-TA of PDI-II. SADSs and population of PDI-II in (a), (d) DCM, (b), (e) THF, and (c), (f) acetone (Ex. is excimer; Re. Ex. is relaxed excimer).

Download full size

View in Article

Fig. 6. Jablonski diagram illustrating the kinetic model used to fit TA from PDI-C5 and PDI-II solutions.

Download full size

View in Article

Table 1. Fluorescence Quantum Yields and Corresponding Fluorescence Lifetime of PDI-C5 and PDI-II in Different Solvents
View table
View in Article
Table 1. Fluorescence Quantum Yields and Corresponding Fluorescence Lifetime of PDI-C5 and PDI-II in Different Solvents
Molecule Solution Polarity $Φ$ $τ$ (ns)
PDI-C5 DCM 3.4 $> 0.95$ 4.29
THF 4.2 $> 0.95$ 4.17
Acetone 5.4 $> 0.95$ 4.31
PDI- II DCM 3.4 0.61 5.43
THF 4.2 0.27 5.24
Acetone 5.4 0.04 5.79

Table 2. Time Constants Estimated for Different Processes of PDI-C5 and PDI-II in Different Solvents Determined by Fs-TA Measurements

View table

View in Article

Table 2. Time Constants Estimated for Different Processes of PDI-C5 and PDI-II in Different Solvents Determined by Fs-TA Measurements

Molecular	Solution	τ₁ (ps)	τ₂ (ps)	τ₃ (ps)	τ₄ (ps)
PDI-C5	DCM	$129 \pm 1$	$2957 \pm 11$	–	–
	THF	$139 \pm 1$	$3417 \pm 14$	–	–
	Acetone	$113 \pm 6$	$3335 \pm 31$	–	–
PDI-II	DCM	$92 \pm 17$	$4402 \pm 54$	–
	THF	$7.69 \pm 0.71$	–	$213 \pm 76$	$2874 \pm 56$
	Acetone	$6.48 \pm 0.72$	–	$131 \pm 25$	$3169 \pm 117$

Tools

Get Citation

Copy Citation Text

Guangliu Ran, Hang Wang, Yujing Song, Yahui Liu, Zhishan Bo, Wenkai Zhang, "Photoinduced excimer generation in perylene diimide dimer: effects of solvent polarity [Invited]," Chin.Opt.Lett. 20, 100009 (2022)

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Special Issue: ULTRAFAST OPTICS: FUNDAMENTALS AND APPLICATIONS

Received: Aug. 16, 2022

Accepted: Sep. 8, 2022

Published Online: Oct. 12, 2022

The Author Email: Wenkai Zhang (wkzhang@bnu.edu.cn)

DOI:10.3788/COL202220.100009

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Fluorescence Quantum Yields and Corresponding Fluorescence Lifetime of PDI-C5 and PDI-II in Different Solvents

Table 1. Fluorescence Quantum Yields and Corresponding Fluorescence Lifetime of PDI-C5 and PDI-II in Different Solvents

Table 2. Time Constants Estimated for Different Processes of PDI-C5 and PDI-II in Different Solvents Determined by Fs-TA Measurements

Table 2. Time Constants Estimated for Different Processes of PDI-C5 and PDI-II in Different Solvents Determined by Fs-TA Measurements