Issue 28, 2018

Assembly of silver-oxo complexes based on N-diphenylphosphanylmethyl-3-aminopyridine and their structures, photocatalysis and photocurrent responses

Abstract

A new P–N hybrid ligand N-diphenylphosphanylmethyl-3-aminopyridine (3-dppmapy) is synthesized and allowed to react with six silver oxysalts including AgTFA (TFA = trifluoroacetic), AgOTF (OTF = trifluoromethanesulfonic), AgNO3, Ag2SO4, AgBz (Bz = benzoate) and AgSal (Sal = salicylate). The reactions result in the formation of two dinuclear complexes [Ag2(Ox)2(3-dppmapy)2] (1, Ox = TFA; 2, Ox = OTF) and four 1D coordination polymers Ag(μ-η2-NO3)(3-dppmapy)·EtOH (3·EtOH), [Ag2(μ-η,η-SO4)(3-dppmapy)2]·CHCl3 (4·CHCl3), [Ag(μ-η2-Bz)(3-dppmapy)] (5) and [Ag(μ-η2-Sal)(3-dppmapy)] (6). All six compounds have energy bands between 3.11–3.43 eV which is in the range of semiconductive materials, whereas only 6 exhibits good stability in water solution under UV irradiation. In the aqueous phase, 6 exhibits high photocatalytic performance in the degradation of eriochrome black T (EBT), amido black (AB) and nigrosin (NO), and also shows relatively prompt anodic photocurrent responses.

Graphical abstract: Assembly of silver-oxo complexes based on N-diphenylphosphanylmethyl-3-aminopyridine and their structures, photocatalysis and photocurrent responses

Supplementary files

Article information

Article type
Paper
Submitted
03 May 2018
Accepted
12 Jun 2018
First published
13 Jun 2018

CrystEngComm, 2018,20, 4049-4057

Assembly of silver-oxo complexes based on N-diphenylphosphanylmethyl-3-aminopyridine and their structures, photocatalysis and photocurrent responses

L. Xu, W. Yang, C. Liu, Z. Ren and J. Lang, CrystEngComm, 2018, 20, 4049 DOI: 10.1039/C8CE00715B

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