Metallic
Nanoparticles Assimilation within Metal–Organic
Framework Monolith
Version 2 2018-09-20, 19:47
Version 1 2018-09-20, 19:43
Posted on 2018-09-20 - 19:47
A facile and versatile
method is reported for the inclusion of
gold nanoparticles (AuNPs) within a monolithic metal–organic
framework (HKUST-1 MOF). Simple addition of stabilized colloidal AuNPs
solution to the reaction mixture at the early stages of the formation
of the MOF monolith resulted in quantitative uptake of the AuNPs within
the MOF matrix. Several characterization techniques including solution
and solid UV–vis spectroscopy, TEM, and XRD indicated the successful
immobilization of the AuNPs. Controllable loading of AuNPs was also
demonstrated, where gas sorption measurements indicated the maintained
microporosity of the AuNPs-containing monoliths. This methodology
has wide potential applications in demanding technologies, including
sensing and catalysis, where monolithic materials of controllable
physicochemical properties can be readily accessible through pore
size and guest selectivity of the host MOF matrix controlling access
of guest molecules to immobilized AuNPs.
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Hassan, Mohamed
H.; El-Basha, Omar; Haikal, Rana R.; H. Ibrahim, Ahmed; Alkordi, Mohamed H. (2018). Metallic
Nanoparticles Assimilation within Metal–Organic
Framework Monolith. ACS Publications. Collection. https://doi.org/10.1021/acsami.8b11795
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AUTHORS (5)
MH
Mohamed
H. Hassan
OE
Omar El-Basha
RH
Rana R. Haikal
AH
Ahmed H. Ibrahim
MA
Mohamed H. Alkordi
KEYWORDS
reaction mixturehost MOF matrixMOF monolithgold nanoparticlespore sizeAuNPs solutiongas sorption measurementsMetallic Nanoparticles AssimilationTEMXRDguest selectivityMOF matrixControllable loadingphysicochemical propertiesSeveral characterization techniquesSimple additionUVguest moleculesHKUSTAuNPs-containing monoliths