Ultrafast excited state relaxation dynamics in a heteroleptic Ir(iii) complex, fac-Ir(ppy)2(ppz), revealed by femtosecond X-ray transient absorption spectroscopy-Reference-Cited by-同舟云学术

Ultrafast excited state relaxation dynamics in a heteroleptic Ir(iii) complex, fac-Ir(ppy)2(ppz), revealed by femtosecond X-ray transient absorption spectroscopy

Published:2021 Issue: Volume: Page:
ISSN:2052-1553
Container-title:Inorganic Chemistry Frontiers
language:en
Short-container-title:Inorg. Chem. Front.

Author:

Choi Jungkweon¹²³⁴⁵^ORCID,Ahn Mina⁶⁷⁸⁴,Lee Jae Hyuk⁹¹⁰⁴,Ahn Doo-Sik¹²³⁴⁵,Ki Hosung¹²³⁴⁵,Oh Inhwan⁵¹¹³⁴,Ahn Chi Woo⁵¹¹³⁴,Choi Eun Hyuk⁵¹¹³⁴,Lee Yunbeom⁵¹¹³⁴,Lee Seonggon⁵¹¹³⁴,Kim Jungmin⁵¹¹³⁴,Cho Dae Won¹²¹³¹⁴¹⁵¹⁶^ORCID,Wee Kyung-Ryang⁶⁷⁸⁴^ORCID,Ihee Hyotcherl¹²³⁴⁵^ORCID

Affiliation:

1. Center for Nanomaterials and Chemical Reactions

2. Institute for Basic Science

3. Daejeon 34141

4. Republic of Korea

5. Department of Chemistry and KI for the BioCentury

6. Department of Chemistry

7. Daegu University

8. Gyeongsan 38453

9. Pohang Accelerator Laboratory

10. Pohang

11. Korea Advanced Institute of Science and Technology (KAIST)

12. Department of Advanced Materials Chemistry

13. Korea University

14. Sejong Campus

15. Sejong 30019

16. Korea

Abstract

The experimental and calculation results demonstrate that the ³ML_ppzCT state generated by the spin-forbidden transition rapidly relaxes to ³ML_ppyCT through internal conversion process with a time constant of ∼450 fs.

Funder

National Research Foundation of Korea

Institute for Basic Science

Publisher

Royal Society of Chemistry (RSC)

Subject

Inorganic Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2021/QI/D0QI01510E

Reference77 articles.

1. Phosphorescent iridium(iii) complexes: toward high phosphorescence quantum efficiency through ligand control

2. Tuning the Emission of Cationic Iridium (III) Complexes Towards the Red Through Methoxy Substitution of the Cyclometalating Ligand