Issue 1, 2021, Issue in Progress
From the journal:

RSC Advances

Multi-photon properties of branched chromophores derived from indenoquinoxaline and oxadiazole heterocyclic units†

Tzu-Chau Lin, ORCID logo *abc   Shih-Huang Chang,a   Hsiang-Yu Hsieh,a   Zi-Ming Chena  and  Chun-Yao Chua  

* Corresponding authors

a Photonic Materials Research Laboratory, Department of Chemistry, National Central University, Taoyuan City 32001, Taiwan
E-mail: tclin@ncu.edu.tw

b NCU-DSM Research Center, National Central University, Taoyuan City 32001, Taiwan

c Center for Minimally-Invasive Medical Devices and Technologies, Chung Yuan Christian University, Taoyuan City 32001, Taiwan

Abstract

Two chromophoric congeners derived from indenoquinoxaline and oxadiazole are designed, synthesized and characterized for their multi-photon properties in the femtosecond time domain. These two model structures are experimentally found to exhibit strong and widely distributed two- and three-photon activities within the spectral range of 680–1500 nm and the larger congener manifests maximum two- and three-photon absorption cross-section values of 2120 GM (at 750 nm) and ∼85 × 10−80 cm6 s2 (at 1280 nm), respectively. Both two- and three-photon absorption-based optical power-limiting performance of a representative model compound are also evaluated and demonstrated.

Graphical abstract: Multi-photon properties of branched chromophores derived from indenoquinoxaline and oxadiazole heterocyclic units

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Article information

DOI
https://doi.org/10.1039/D0RA08945A
Article type
Paper
Submitted
20 Oct 2020
Accepted
24 Nov 2020
First published
24 Dec 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2021,11, 525-536

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Multi-photon properties of branched chromophores derived from indenoquinoxaline and oxadiazole heterocyclic units

T. Lin, S. Chang, H. Hsieh, Z. Chen and C. Chu, RSC Adv., 2021, 11, 525 DOI: 10.1039/D0RA08945A

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