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Title: Correlating size and composition-dependent effects with magnetic, Mössbauer, and pair distribution function measurements in a family of catalytically active ferrite nanoparticles

Journal Article · · Chemistry of Materials
 [1];  [2];  [3];  [4];  [4];  [4];  [5];  [4];  [6];  [4];  [3];  [3];  [7];  [7];  [7];  [8];  [8];  [3]
  1. State Univ. of New York at Stony Brook, Stony Brook, NY (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Villanova Univ., Villanova, PA (United States); Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro (Brazil)
  3. State Univ. of New York at Stony Brook, Stony Brook, NY (United States)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States)
  5. Columbia Univ., New York, NY (United States)
  6. Brookhaven National Lab. (BNL), Upton, NY (United States); Columbia Univ., New York, NY (United States)
  7. Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro (Brazil)
  8. Villanova Univ., Villanova, PA (United States)

The magnetic spinel ferrites, MFe₂O₄ (wherein 'M' = a divalent metal ion such as but not limited to Mn, Co, Zn, and Ni), represent a unique class of magnetic materials in which the rational introduction of different 'M's can yield correspondingly unique and interesting magnetic behaviors. Herein we present a generalized hydrothermal method for the synthesis of single-crystalline ferrite nanoparticles with 'M' = Mg, Fe, Co, Ni, Cu, and Zn, respectively, which can be systematically and efficaciously produced simply by changing the metal precursor. Our protocol can moreover lead to reproducible size control by judicious selection of various surfactants. As such, we have probed the effects of both (i) size and (ii) chemical composition upon the magnetic properties of these nanomaterials using complementary magnetometry and Mössbauer spectroscopy techniques. The structure of the samples was confirmed by atomic PDF analysis of X-ray and electron powder diffraction data as a function of particle size. These materials retain the bulk spinel structure to the smallest size (i.e., 3 nm). In addition, we have explored the catalytic potential of our ferrites as both (a) magnetically recoverable photocatalysts and (b) biological catalysts, and noted that many of our as-prepared ferrite systems evinced intrinsically higher activities as compared with their iron oxide analogues.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Re-Defining Photovoltaic Efficiency Through Molecule Scale Control (RPEMSC); Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1201345
Report Number(s):
BNL-107932-2015-JA; R&D Project: PM037; PM032; KC0201030; KC0202010
Journal Information:
Chemistry of Materials, Vol. 27, Issue 10; ISSN 0897-4756
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 73 works
Citation information provided by
Web of Science

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  • Pradhan, Pallab; Giri, Jyotsnendu; Samanta, Gopal
  • Journal of Biomedical Materials Research Part B: Applied Biomaterials, Vol. 81B, Issue 1 https://doi.org/10.1002/jbm.b.30630
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Plasmonic photocatalyst Au/g-C 3 N 4 /NiFe 2 O 4 nanocomposites for enhanced visible-light-driven photocatalytic hydrogen evolution journal January 2016
Size‐controlled Cobalt Ferrite Nanocrystals: Magnetically separable Reusable Nanocatalysts for Selective Oxidation of Styrene journal June 2019
Evidence of a cubic iron sub-lattice in t-CuFe2O4 demonstrated by X-ray Absorption Fine Structure journal January 2018
Dopant driven tunability of dielectric relaxation in M x Co (1-x) Fe 2 O 4 (M: Zn 2+ , Mn 2+ , Ni 2+ ) nano-ferrites journal July 2017
The properties of Mn–CuFe2O4 spinel ferrite nanoparticles under various synthesis conditions journal September 2017
In situ microcalorimetric investigation on effects of surfactants on cluster-shaped Ni-doped Fe3O4 formation journal January 2018
Synthesis, characterization, and evaluation of PEGylated first-row transition metal ferrite nanoparticles as T 2 contrast agents for high-field MRI journal January 2017
Characterization techniques for nanoparticles: comparison and complementarity upon studying nanoparticle properties journal January 2018
Photoelectrochemical and theoretical investigations of spinel type ferrites (M x Fe 3− x O 4 ) for water splitting: a mini-review journal October 2016
Nanomaterials with enzyme-like characteristics (nanozymes): next-generation artificial enzymes (II) journal January 2019
Wet chemical synthesis of metal oxide nanoparticles: a review journal January 2018