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Sunlight-driven synthesis of anisotropic silver nanoparticles

Tang,B, Sun,L, Li,J, Zhang,M and Wang,X 2015, Sunlight-driven synthesis of anisotropic silver nanoparticles, Chemical engineering journal, vol. 260, pp. 99-106, doi: 10.1016/j.cej.2014.08.044.

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Title Sunlight-driven synthesis of anisotropic silver nanoparticles
Author(s) Tang,BORCID iD for Tang,B orcid.org/0000-0001-7111-8223
Sun,L
Li,J
Zhang,M
Wang,X
Journal name Chemical engineering journal
Volume number 260
Start page 99
End page 106
Publisher Elsevier BV
Place of publication Amsterdam, Netherlands
Publication date 2015-01-15
ISSN 1385-8947
1873-3212
Keyword(s) Photoinduction
Shape conversion
Silver nanodecahedron
Silver nanoprism
Solar radiation
Science & Technology
Technology
Engineering, Environmental
Engineering, Chemical
Engineering
SURFACE-PLASMON RESONANCE
METAL NANOPARTICLES
OPTICAL-PROPERTIES
PHOTOMEDIATED SYNTHESIS
TRIANGULAR BIPYRAMIDS
GOLD NANOPARTICLES
SHAPE
SIZE
NANOPRISMS
IRRADIATION
Summary Photoinduced shape conversion of silver nanoparticles was realized using sunlight. The silver seeds were transformed to silver nanoprisms under sunlight when the concentration of citrate was low (≤5.0×10-4M). Nevertheless, sunlight converted the obtained silver nanoprisms to silver nanodecahedrons when the concentration of citrate in reaction system was increased. It was found that the ultraviolet light from sunlight played a vital role in the shape conversion from nanoprism to nanodecahedron. Lighting power density did not influence the shape conversion except for reaction rate. Besides, the silver nanodecahedrons were synthesized in the mixed solution of AgNO3 and citrate in absence of silver seeds through irradiation by simulated sunlight. The mechanism on the sunlight induced synthesis of silver nanoparticles was discussed. Anisotropic silver nanoparticles including nanoprisms and nanodecahedrons were obtained through controlling the citrate concentration and irradiation time by sunlight from green light source.
Language eng
DOI 10.1016/j.cej.2014.08.044
Field of Research 100708 Nanomaterials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier BV
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070112

Document type: Journal Article
Collection: Institute for Frontier Materials
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Created: Fri, 20 Mar 2015, 13:58:43 EST

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