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Colloidal construction of porous polysaccharide-supported cadmium sulphide

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Colloidal construction of porous polysaccharide-supported cadmium sulphide. / White, Robin J.; Budarin, Vitaliy L.; Clark, James H.

In: Colloids and surfaces a-Physicochemical and engineering aspects, Vol. 444, 05.03.2014, p. 69-75.

Research output: Contribution to journalArticle

Harvard

White, RJ, Budarin, VL & Clark, JH 2014, 'Colloidal construction of porous polysaccharide-supported cadmium sulphide', Colloids and surfaces a-Physicochemical and engineering aspects, vol. 444, pp. 69-75. https://doi.org/10.1016/j.colsurfa.2013.12.043

APA

White, R. J., Budarin, V. L., & Clark, J. H. (2014). Colloidal construction of porous polysaccharide-supported cadmium sulphide. Colloids and surfaces a-Physicochemical and engineering aspects, 444, 69-75. https://doi.org/10.1016/j.colsurfa.2013.12.043

Vancouver

White RJ, Budarin VL, Clark JH. Colloidal construction of porous polysaccharide-supported cadmium sulphide. Colloids and surfaces a-Physicochemical and engineering aspects. 2014 Mar 5;444:69-75. https://doi.org/10.1016/j.colsurfa.2013.12.043

Author

White, Robin J. ; Budarin, Vitaliy L. ; Clark, James H. / Colloidal construction of porous polysaccharide-supported cadmium sulphide. In: Colloids and surfaces a-Physicochemical and engineering aspects. 2014 ; Vol. 444. pp. 69-75.

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@article{1a7db29bd34c4ae7a7c0e2e3e80bb600,
title = "Colloidal construction of porous polysaccharide-supported cadmium sulphide",
abstract = "A method for preparing CdS nanoparticles within the porous confines of a mesoporous starch gel is described. This method utilises the combined colloidal and flexible chemical nature of a porous polysaccharide (i.e. starch) gel to limit CdS growth. The resulting hybrid gels can be dried to produce CdS/starch materials with high surface areas, predominantly mesoporous characteristics and scope for high CdS loading. The synthesis is conducted in aqueous alcoholic solutions without the need for expensive preparation techniques or additional protection/templating strategies. Materials were prepared at increasing CdS loadings on the starch gel, which confined nanoparticle growth and directed size/surface coverage, dispersion and UV-vis absorption profile. The resulting powders presented large mesopore domains with high volumes (pore diameters>10nm; Vmeso>0.5cm3g-1) and surface areas (SBET>170m2g-1), interestingly effectively increasing with CdS loading. The synthesised CdS nanoparticles were characterised in the 5-40nm range of a cubic crystalline structure, increasing in size with loading. A complete surface coverage of the starch gel structure occurs at a CdS/starch ratio=1 (w/w), allowing the synthesis of a unique mesoporous CdS/polysaccharide hybrid. The presented route is simple, green and in principle extendable to a wide range of QDs and polysaccharide gels, whereby the porous polysaccharide gel acts as the deposition point of Cd2+, directing and stabilising both the growth of the inorganic CdS phase and the expanded high surface area polysaccharide form.",
keywords = "Cadmium sulfide, Colloids, Gels, Hybrids, Mesoporous, Starch",
author = "White, {Robin J.} and Budarin, {Vitaliy L.} and Clark, {James H.}",
year = "2014",
month = "3",
day = "5",
doi = "10.1016/j.colsurfa.2013.12.043",
language = "English",
volume = "444",
pages = "69--75",
journal = "Colloids and surfaces a-Physicochemical and engineering aspects",
issn = "0927-7757",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Colloidal construction of porous polysaccharide-supported cadmium sulphide

AU - White, Robin J.

AU - Budarin, Vitaliy L.

AU - Clark, James H.

PY - 2014/3/5

Y1 - 2014/3/5

N2 - A method for preparing CdS nanoparticles within the porous confines of a mesoporous starch gel is described. This method utilises the combined colloidal and flexible chemical nature of a porous polysaccharide (i.e. starch) gel to limit CdS growth. The resulting hybrid gels can be dried to produce CdS/starch materials with high surface areas, predominantly mesoporous characteristics and scope for high CdS loading. The synthesis is conducted in aqueous alcoholic solutions without the need for expensive preparation techniques or additional protection/templating strategies. Materials were prepared at increasing CdS loadings on the starch gel, which confined nanoparticle growth and directed size/surface coverage, dispersion and UV-vis absorption profile. The resulting powders presented large mesopore domains with high volumes (pore diameters>10nm; Vmeso>0.5cm3g-1) and surface areas (SBET>170m2g-1), interestingly effectively increasing with CdS loading. The synthesised CdS nanoparticles were characterised in the 5-40nm range of a cubic crystalline structure, increasing in size with loading. A complete surface coverage of the starch gel structure occurs at a CdS/starch ratio=1 (w/w), allowing the synthesis of a unique mesoporous CdS/polysaccharide hybrid. The presented route is simple, green and in principle extendable to a wide range of QDs and polysaccharide gels, whereby the porous polysaccharide gel acts as the deposition point of Cd2+, directing and stabilising both the growth of the inorganic CdS phase and the expanded high surface area polysaccharide form.

AB - A method for preparing CdS nanoparticles within the porous confines of a mesoporous starch gel is described. This method utilises the combined colloidal and flexible chemical nature of a porous polysaccharide (i.e. starch) gel to limit CdS growth. The resulting hybrid gels can be dried to produce CdS/starch materials with high surface areas, predominantly mesoporous characteristics and scope for high CdS loading. The synthesis is conducted in aqueous alcoholic solutions without the need for expensive preparation techniques or additional protection/templating strategies. Materials were prepared at increasing CdS loadings on the starch gel, which confined nanoparticle growth and directed size/surface coverage, dispersion and UV-vis absorption profile. The resulting powders presented large mesopore domains with high volumes (pore diameters>10nm; Vmeso>0.5cm3g-1) and surface areas (SBET>170m2g-1), interestingly effectively increasing with CdS loading. The synthesised CdS nanoparticles were characterised in the 5-40nm range of a cubic crystalline structure, increasing in size with loading. A complete surface coverage of the starch gel structure occurs at a CdS/starch ratio=1 (w/w), allowing the synthesis of a unique mesoporous CdS/polysaccharide hybrid. The presented route is simple, green and in principle extendable to a wide range of QDs and polysaccharide gels, whereby the porous polysaccharide gel acts as the deposition point of Cd2+, directing and stabilising both the growth of the inorganic CdS phase and the expanded high surface area polysaccharide form.

KW - Cadmium sulfide

KW - Colloids

KW - Gels

KW - Hybrids

KW - Mesoporous

KW - Starch

UR - http://www.scopus.com/inward/record.url?scp=84892144552&partnerID=8YFLogxK

U2 - 10.1016/j.colsurfa.2013.12.043

DO - 10.1016/j.colsurfa.2013.12.043

M3 - Article

VL - 444

SP - 69

EP - 75

JO - Colloids and surfaces a-Physicochemical and engineering aspects

T2 - Colloids and surfaces a-Physicochemical and engineering aspects

JF - Colloids and surfaces a-Physicochemical and engineering aspects

SN - 0927-7757

ER -