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Title: Developing multifunctional nanoparticles in a 1-D coordination polymer of Cd(II)

Abstract

A simple synthesis for the integration of different nanoparticles (NPs) including Ag, Au, Pd, Cr and mixed (Cu/Fe), has been demonstrated within the nanopores of a non-activated one dimensional porous coordination polymer (PCP) of Cd(II) due to its high flexible structure. There are two different mechanisms (acid formation (HCl/HNO{sub 3}) and redox activity of the framework) elucidated by electron paramagnetic resonance (EPR). Presence of –NO{sub 2} groups of the ligand act as anchoring sites for metal ions of metal precursors leading to NPs growth within the PCP explained by FTIR. High resolution transmission electron microscopy (HRTEM) images provided insight of the chemical and physical characteristics of the NPs within the framework. Ag/AgO NPs exhibit excellent antibacterial properties at extremely low concentrations. The polymer shows potential for sequestration and reduction of hexavalent Cr (highly toxic) to elemental, trivalent and tetravalent Cr (non toxic). This framework is also an excellent template for fabrication and dry storage of nanoparticles synthesized by mixed metal precursors. Ferromagnetic properties have been shown by Ag and Au NPs integrated frameworks while Cu/Fe@Cd-PCP behaves as a paramagnet material at room temperature. - Graphical abstract: Different types of nanoparticles have been synthesized by utilizing a 1D porous coordination polymermore » of Cd(II) in its as-synthesized state at RT and without use of any reducing agent. Display Omitted - Highlights: • A number of NPs have been synthesized in a 1D PCP without reducing agent. • –NO2 groups act as anchoring sites for the metal ions of metal precursors. • Ag/AgO NPs show excellent antibacterial properties at very low concentrations. • PCP shows potential for sequestration and reduction of Cr(VI) to Cr(0, III and IV).« less

Authors:
 [1];  [2]
  1. Department of Chemistry, Indian Institute of Technology Kanpur, 208016 (India)
  2. Department of Mechanical Engineering, Indian Institute of Technology Kanpur, 208016 (India)
Publication Date:
OSTI Identifier:
22742062
Resource Type:
Journal Article
Journal Name:
Journal of Solid State Chemistry
Additional Journal Information:
Journal Volume: 255; Other Information: Copyright (c) 2017 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0022-4596
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; ELECTRON SPIN RESONANCE; HYDROCHLORIC ACID; INFRARED SPECTRA; NANOPARTICLES; NITRIC ACID; NITROGEN DIOXIDE; POLYMERIZATION; POLYMERS; POROUS MATERIALS; PRECURSOR; REDUCING AGENTS; SILVER; SYNTHESIS; TEMPERATURE RANGE 0273-0400 K; TRANSMISSION ELECTRON MICROSCOPY

Citation Formats

Agarwal, Rashmi A., E-mail: rashmi.a.agarwal@gmail.com, and Gupta, Neeraj K. Developing multifunctional nanoparticles in a 1-D coordination polymer of Cd(II). United States: N. p., 2017. Web. doi:10.1016/J.JSSC.2017.08.022.
Agarwal, Rashmi A., E-mail: rashmi.a.agarwal@gmail.com, & Gupta, Neeraj K. Developing multifunctional nanoparticles in a 1-D coordination polymer of Cd(II). United States. doi:10.1016/J.JSSC.2017.08.022.
Agarwal, Rashmi A., E-mail: rashmi.a.agarwal@gmail.com, and Gupta, Neeraj K. Wed . "Developing multifunctional nanoparticles in a 1-D coordination polymer of Cd(II)". United States. doi:10.1016/J.JSSC.2017.08.022.
@article{osti_22742062,
title = {Developing multifunctional nanoparticles in a 1-D coordination polymer of Cd(II)},
author = {Agarwal, Rashmi A., E-mail: rashmi.a.agarwal@gmail.com and Gupta, Neeraj K.},
abstractNote = {A simple synthesis for the integration of different nanoparticles (NPs) including Ag, Au, Pd, Cr and mixed (Cu/Fe), has been demonstrated within the nanopores of a non-activated one dimensional porous coordination polymer (PCP) of Cd(II) due to its high flexible structure. There are two different mechanisms (acid formation (HCl/HNO{sub 3}) and redox activity of the framework) elucidated by electron paramagnetic resonance (EPR). Presence of –NO{sub 2} groups of the ligand act as anchoring sites for metal ions of metal precursors leading to NPs growth within the PCP explained by FTIR. High resolution transmission electron microscopy (HRTEM) images provided insight of the chemical and physical characteristics of the NPs within the framework. Ag/AgO NPs exhibit excellent antibacterial properties at extremely low concentrations. The polymer shows potential for sequestration and reduction of hexavalent Cr (highly toxic) to elemental, trivalent and tetravalent Cr (non toxic). This framework is also an excellent template for fabrication and dry storage of nanoparticles synthesized by mixed metal precursors. Ferromagnetic properties have been shown by Ag and Au NPs integrated frameworks while Cu/Fe@Cd-PCP behaves as a paramagnet material at room temperature. - Graphical abstract: Different types of nanoparticles have been synthesized by utilizing a 1D porous coordination polymer of Cd(II) in its as-synthesized state at RT and without use of any reducing agent. Display Omitted - Highlights: • A number of NPs have been synthesized in a 1D PCP without reducing agent. • –NO2 groups act as anchoring sites for the metal ions of metal precursors. • Ag/AgO NPs show excellent antibacterial properties at very low concentrations. • PCP shows potential for sequestration and reduction of Cr(VI) to Cr(0, III and IV).},
doi = {10.1016/J.JSSC.2017.08.022},
journal = {Journal of Solid State Chemistry},
issn = {0022-4596},
number = ,
volume = 255,
place = {United States},
year = {2017},
month = {11}
}