101. Mixed Small-Molecule Matrices Improve Nanoparticle Dispersibility in Organic Semiconductor-Nanoparticle Films
- Author
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Toolan, Daniel TW, Weir, Michael P, Kilbride, Rachel C, Anthony, John E, Greenham, Neil C, Friend, Richard H, Rao, Akshay, Mykhaylyk, Oleksandr O, Jones, Richard AL, Ryan, Anthony J, Toolan, Daniel TW [0000-0003-3228-854X], Anthony, John E [0000-0002-8972-1888], Greenham, Neil C [0000-0002-2155-2432], Friend, Richard H [0000-0001-6565-6308], Rao, Akshay [0000-0003-4261-0766], Mykhaylyk, Oleksandr O [0000-0003-4110-8328], Ryan, Anthony J [0000-0001-7737-0526], and Apollo - University of Cambridge Repository
- Subjects
FOS: Nanotechnology ,3403 Macromolecular and Materials Chemistry ,34 Chemical Sciences ,Electrochemistry ,Nanotechnology ,General Materials Science ,Bioengineering ,Surfaces and Interfaces ,Condensed Matter Physics ,Spectroscopy ,4016 Materials Engineering ,40 Engineering - Abstract
Funder: University of Cambridge, Controlling the dispersibility of nanocrystalline inorganic quantum dots (QDs) within organic semiconductor (OSC):QD nanocomposite films is critical for a wide range of optoelectronic devices. This work demonstrates how small changes to the OSC host molecule can have a dramatic detrimental effect on QD dispersibility within the host organic semiconductor matrix as quantified by grazing incidence X-ray scattering. It is commonplace to modify QD surface chemistry to enhance QD dispersibility within an OSC host. Here, an alternative route toward optimizing QD dispersibilities is demonstrated, which dramatically improves QD dispersibilities through blending two different OSCs to form a fully mixed OSC matrix phase.
- Published
- 2023