英文题目:A new angle on dynamic depolarized light scattering: number-averaged size distribution of nanoparticles in focus
出版源:Nanoscale , 2016, 8(34)

者:Geers C 1   ,  Rodriguez-Lorenzo L 1  ,  Andreas Urban D 1  ,  Kinnear C 1,2,3  ,  Petri-Fink A 1,3  ,  Balog S 1 

1. Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland

2. Institute & School of Chemistry, The University of Melbourne, 30 Flemington Rd - 3010, Australia.

3. Chemistry Department, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland.

摘要:Size polydispersity is a common phenomenon that strongly influences the physicochemical properties of nanoparticles (NPs). We present an analytical approach that is universally applicable to characterizing optically anisotropic round NPs and determines directly the number-averaged size distribution and polydispersity via depolarized dynamic light scattering (DDLS). To demonstrate, we use aqueous suspensions of Au NPs of different sizes and surface functionalization.
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