A new hydrazone-hydrazide based silver(I) complex as a single-source solid state precursor for photo-catalytically active silver nanoparticles: structural study and antioxidant and electrochemical applications

被引：0
作者：
Elankathirselvan, Kasber [1 ]
Srinivasan, Krishnan [1 ]
Parveen, Sheikdawood [2 ]
Harrison, William T.A. [3 ]
机构：
[1] Department of Chemistry, Thiruvalluvar University, Tamilnadu, Vellore
[2] Department of Chemistry, Dr.Mahalingam College of Engineering and Technology, Pollachi, Tamilnadu, Coimbatore
[3] Department of Chemistry, University of Aberdeen, Meston Walk, Scotland, Aberdeen
来源：
Journal of Molecular Structure | 2025年 / 1324卷
关键词：
Antioxidant; Crystal structure; Nanoparticles; Photocatalyst; Silver; Silver complex; Supercapacitor;
D O I：
10.1016/j.molstruc.2024.140925
中图分类号：
学科分类号：
摘要：
A new hydrazone–hydrazide, ethyl 2-[1-(thiophen-2-yl)ethylidene]hydrazine-1-carboxylate) (2-aeh, C9H12N2O2S) and its polymeric silver complex of formula [Ag(2-aeh)(NO3)]n, catena-[(μ-nitrato)-(ethyl 2-[1-(thiophen-2-yl)ethylidene]hydrazine-1-carboxylate)-silver(I)], are reported. A single crystal X-ray study of the complex revealed a tridentate S, N, O-coordination mode for the ligand, with the bridging nitrate anions generating an infinite chain of AgSO5N nodes. Silver nanoparticles (Ag NPs) of diameter ∼24 nm were synthesized using the silver complex as a single-source solid state molecular precursor. The nanoparticles were analyzed using PXRD, SEM, EDX and HR-TEM. The supercapacitor properties of 2-aeh, the silver complex and Ag NPs were also studied using cyclic voltammetry. An evaluation of antioxidant activity demonstrated that the silver complex shows good scavenging efficiency against ABTS•+, DPPH•, O2•–, NO• and OH− radicals. The band gap of the AgNPs is 2.73 eV and they catalyze the degradation of methylene blue by KOH under sun light. © 2024 Elsevier B.V.
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