2014
DOI: 10.1021/nn5059503
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Direct Laser Writing of Photostable Fluorescent Silver Nanoclusters in Polymer Films

Abstract: 11Metal nanoclusters consist of a few to few hundreds of atoms, and exhibit attractive molecular 12 properties such as ultrasmall size, discrete energy levels and strong fluorescence. Although 13 patterning of these clusters down to the microscale or nanoscale could lead to 14 applications such as high-density data storage, it has been reported only for inorganic 15matrices. Here we demonstrate the first submicron-scale mask-free patterning of fluorescent 16 silver nanoclusters in an organic matrix. The nanocl… Show more

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Cited by 65 publications
(70 citation statements)
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“…For instance, the Mattoussi lab reported the preparation of red-emitting Au NCs with a quantum yield of up to 14% when stabilised with bidentate thiolated ligands containing a zwitterionic group 40 . NC features such as tunable photoluminescence [41][42] , multiexponential fluorescence lifetime [43][44] , or aggregation induced enhancement 45 have been extensively studied with potential applications in the fields of sensing 46 , bioimaging 47 and optics 48 . Other interesting properties of NCs relevant for therapeutic applications rely on their ultra-small size, low toxicity and stability in physiological media.…”
Section: Introductionmentioning
confidence: 99%
“…For instance, the Mattoussi lab reported the preparation of red-emitting Au NCs with a quantum yield of up to 14% when stabilised with bidentate thiolated ligands containing a zwitterionic group 40 . NC features such as tunable photoluminescence [41][42] , multiexponential fluorescence lifetime [43][44] , or aggregation induced enhancement 45 have been extensively studied with potential applications in the fields of sensing 46 , bioimaging 47 and optics 48 . Other interesting properties of NCs relevant for therapeutic applications rely on their ultra-small size, low toxicity and stability in physiological media.…”
Section: Introductionmentioning
confidence: 99%
“…30,32,[39][40][41][42] Laser ablation can be utilized to form nanophotonic devices in ink, gold, polymers, or functionalized substrates. 35,[42][43][44][45] The patterned geometries depend on the laser properties (ablation energy, laser wavelength, spot size), and structural parameters (distance, height, and recording angle). 31,35 However, multibeam interference require precise exposure angles to create complex nanostructures.…”
mentioning
confidence: 99%
“…Silver nanoclusters have also recently found use in live cell RNA detection. Representing a new class of fluorophores, silver nanoclusters are of interest due to their good photostability and low cytotoxicity . Strategies employing silver nanoclusters take advantage of the high sensitivity of their fluorescence to ONT surroundings.…”
Section: Hybridization‐based Probesmentioning
confidence: 99%
“…Representing a new class of fluorophores, silver nanoclusters are of interest due to their good photostability and low cytotoxicity. [129,[214][215][216] Strategies employing silver nanoclusters take advantage of the high sensitivity of their fluorescence to ONT surroundings. Yeh et al have reported silver nanoclusters that transition from a dark state to a red emitting state when in close proximity to guanine bases.…”
Section: Silver Nanocluster Basedmentioning
confidence: 99%