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Nature-inspired and sustainable synthesis of sulfur-bearing Fe-rich nanoparticles

Nature-inspired and sustainable synthesis of sulfur-bearing Fe-rich nanoparticles
Nature-inspired and sustainable synthesis of sulfur-bearing Fe-rich nanoparticles
Sulfur-bearing Fe-rich nanoparticles (SINPs) have been subject to increased levels of interest because of their catalytic properties and other features. However, with increasing interest in greener and sustainable practice, traditional engineered routes to SINP synthesis have become a concern owing to their high energy and resource demand as well as the use of potentially hazardous or environmentally harmful reagents. Here, we aim to bring attention to emerging and burgeoning research across a wide range of disciplines on the formation of both naturally occurring and synthetic SINPs. First, various SINP types are described, and their most important characteristics are outlined. Second, the natural mechanisms of SINP formation are evaluated and their environmental significance explained, predominantly in hydrothermal vents and lithogenic environments, in order to help inspire new approaches to engineered synthesis. Third, an appraisal of various synthetic approaches for SINP assembly is presented, with a focus on green synthesis methods. One exemplar is the use of nature-inspired biosynthesis, which has been increasingly explored for the fabrication of cost-effective and environmentally friendlier SINPs. Finally, potential future research directions leading to more sustainable SINP synthesis are put forward.
Biosynthesis, Green synthesis, Iron sulfides, Nanomaterial fabrication, Nanostructures
2168-0485
15791-15808
O’connor, David
508d32e6-2d31-4c72-91ed-5d7c6404a9be
Hou, Deyi
429db100-e30a-44ef-807e-d2fa2ba97d69
Liu, Qingsong
a723ac03-2572-445f-8a70-c9f428d85f19
Palmer, Martin R.
d2e60e81-5d6e-4ddb-a243-602537286080
Varma, Rajender S.
bca32c15-57c8-4f64-b50b-0cf797d93670
O’connor, David
508d32e6-2d31-4c72-91ed-5d7c6404a9be
Hou, Deyi
429db100-e30a-44ef-807e-d2fa2ba97d69
Liu, Qingsong
a723ac03-2572-445f-8a70-c9f428d85f19
Palmer, Martin R.
d2e60e81-5d6e-4ddb-a243-602537286080
Varma, Rajender S.
bca32c15-57c8-4f64-b50b-0cf797d93670

O’connor, David, Hou, Deyi, Liu, Qingsong, Palmer, Martin R. and Varma, Rajender S. (2020) Nature-inspired and sustainable synthesis of sulfur-bearing Fe-rich nanoparticles. ACS Sustainable Chemistry & Engineering, 8 (42), 15791-15808. (doi:10.1021/acssuschemeng.0c03401).

Record type: Review

Abstract

Sulfur-bearing Fe-rich nanoparticles (SINPs) have been subject to increased levels of interest because of their catalytic properties and other features. However, with increasing interest in greener and sustainable practice, traditional engineered routes to SINP synthesis have become a concern owing to their high energy and resource demand as well as the use of potentially hazardous or environmentally harmful reagents. Here, we aim to bring attention to emerging and burgeoning research across a wide range of disciplines on the formation of both naturally occurring and synthetic SINPs. First, various SINP types are described, and their most important characteristics are outlined. Second, the natural mechanisms of SINP formation are evaluated and their environmental significance explained, predominantly in hydrothermal vents and lithogenic environments, in order to help inspire new approaches to engineered synthesis. Third, an appraisal of various synthetic approaches for SINP assembly is presented, with a focus on green synthesis methods. One exemplar is the use of nature-inspired biosynthesis, which has been increasingly explored for the fabrication of cost-effective and environmentally friendlier SINPs. Finally, potential future research directions leading to more sustainable SINP synthesis are put forward.

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Nature-Inspired - Accepted Manuscript
Restricted to Repository staff only until 26 October 2021.
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More information

Accepted/In Press date: 1 January 2020
e-pub ahead of print date: 9 October 2020
Published date: 26 October 2020
Keywords: Biosynthesis, Green synthesis, Iron sulfides, Nanomaterial fabrication, Nanostructures

Identifiers

Local EPrints ID: 445250
URI: http://eprints.soton.ac.uk/id/eprint/445250
ISSN: 2168-0485
PURE UUID: 6fb42198-1798-4849-97bb-ca3ca75cb7a5

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Date deposited: 26 Nov 2020 17:31
Last modified: 13 Jan 2021 17:30

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