Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 3, Pages 2393-2398Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b11550
Keywords
nanoparticle grafting nanoparticle covalent coupling; hybrid nanocomposite; pentafluorophenyl ester; raspberry nanoparticles; selective photoluminescence quenching; amine-reactive nanoparticles; core-satellite nanostructure; raspberry-like morphology
Funding
- Army Research Office [W911NF-14-1-0185]
- National Science Foundation Materials Research Science and Engineering Center (MRSEC) on Polymers at UMass Amherst [NSF-DMR 0820506]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0820506] Funding Source: National Science Foundation
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Preparing chemically selective nanoparticle (NP) building blocks to make robust structures from different NP compositions often requires complex hetero-bifunctional ligand pairs that have limited scalability and versatility. Here we describe pentafluorophenyl ester-functionalized nanoparticles (PFP-NPs) as versatile building blocks for covalent inter-NP coupling. This approach allows for a rapid and dense grafting of PFP-functionalized Au NPs onto several types of amine-functionalized NPs (metals, semiconductors, and insulators) and selective identification of amine-functionalized quantum dots (QDs) in solution. Such simple yet efficient inter-NP reactions suggest the suitability of PFP-NPs as a versatile functional platform for numerous NP-based applications.
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