A {high|higher} efficiency emission {with a|having a|using a} {massive|huge|enormous} Stokes shift is obtained by fluorescent conjugated acene {building|developing|creating|constructing} blocks arranged in nanocrystals. The two ligands of equal molecular length and connectivity, {yet|however|but} complementary electronic properties, are co-assembled by zirconium oxy-hydroxy clusters, {generating|producing|creating} {highly|extremely|very|hugely} crystalline hetero-MOF nanoparticles The {fast|quick|quickly|rapidly|rapid|speedy} diffusion of singlet molecular excitons {in the|within the|inside the} framework, coupled {with the|using the|with all the|together with the} fine matching of ligands absorption and emission properties, enables {to achieve|to attain} an ultrafast activation {of the|from the|in the|on the|with the|of your} low {energy|power} emission by diffusion-mediated non-radiative {energy|power} transfer {in the|within the|inside the} {100|one hundred} ps time scale, {by using|by utilizing} a low {amount|quantity} of co-ligands. This {allow|permit|enable|let} to {obtain|acquire|get|receive} MOF nanocrystals {with a|having a|using a} fluorescence quantum efficiency of ̴ 70% and an actual Stokes shift as {large|big|huge|massive|substantial|significant} as 750 meV. This {large|big|huge|massive|substantial|significant} Stokes shift suppresses the reabsorption of {fast|quick|quickly|rapidly|rapid|speedy} emission {issues|problems|concerns|troubles|difficulties|challenges} in bulk devices, pivotal {for a|to get a|for any} plethora of applications in photonics and photon managing spacing from solar technologies, imaging, and detection of {high|higher} {energy|power} radiation. These {features|attributes|functions|characteristics|capabilities|options} {allowed|permitted} to {realize|understand|recognize|comprehend} a prototypal {fast|quick|quickly|rapidly|rapid|speedy} nanocomposite scintillator that shows an enhanced {performance|overall performance|efficiency|functionality} with respect {to the|towards the|for the} homo-ligand nanocrystals, {achieving|reaching|attaining} benchmark. values which compete with {those|these} of some inorganic and organic {commercial|industrial} systems. 6-Bromo-2-methylpyrimidin-4-amine Price 417727-40-3 web PMID:23618405
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