An anthracene based conjugated triazine framework as a luminescent probe for selective sensing of p-nitroaniline and Fe(iii) ions. (28th July 2021)

• Record Type: Journal Article
• Authors: Hong, Haitao; Wu, Ni; Han, Mingxi; Guo, Zhiyong; Zhan, Hongbing; Du, Shaowu; Chen, Banglin
• Is Part Of: Materials chemistry frontiers. Volume 5:Number 17(2021)
• Page Start: 6568
• Page End: 6574
• Publication Date: 2021-07-28
• Subjects: Materials science -- Periodicals; Chemistry -- Periodicals; 540
• DOI: 10.1039/d1qm00686j
• Languages: English
• ISSNs: 2052-1529

Abstract

Abstract : An anthracene based conjugated triazine framework (DPA-CTF) has been constructed as a luminescent probe for selective sensing of p-nitroaniline and Fe(iii ) ions. Abstract : Covalent triazine frameworks (CTFs), as a burgeoning type of porous organic material, have attracted increasing attention in a lot of research fields, including gas separation, heterogeneous catalysis, etc. In particular, stemming from their heteroatom effect (HAE), incorporated with the merits of π-conjugated frameworks, electron-rich triazine units and extraordinary chemical stability, they exhibit prospective potential applications in chemical sensing. In this paper, a triazine-based conjugated porous organic polymer (DPA-CTF) containing anthracene units was used to study the sensing effects on nitroaromatic compounds and metal ions. Intriguingly, DPA-CTF showed sensitive detection performance towards nitroaromatic explosives, especially p-nitroaniline (p-NA). Besides, it also exhibited high sensitivity toward Fe 3+ ions compared to other metal ions. A series of characterization studies and computational simulations were used to explain the mechanism of the luminescence quenching effect. These results manifest that the new synthesized CTF is a promising candidate as a chemical sensor for p-NA and Fe 3+ ions.