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000908552 1001_ $$0P:(DE-Juel1)180820$$aSharma, Aakash$$b0$$eCorresponding author$$ufzj
000908552 245__ $$aInfluence of molecular weight on the distribution of segmental relaxation in polymer grafted nanoparticles
000908552 260__ $$aCollege Park, MD$$bAPS$$c2022
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000908552 520__ $$aThe segmental dynamics of one-component nanocomposites (OCNC) is significantly influenced by the molecular weight (Mw) of the grafted polymer. Neutron backscattering shows that compared to the neat polymer the OCNCs exhibit a shift from slower segmental dynamics at low Mw to faster dynamics at high Mw. We model the local relaxation as distribution of exponential diffusers. This approach reveals the presence of fast and slow segments in both OCNCs. However, their fractional contribution varies with Mw leading to different average relaxation times. Our results present important insights into the origin of segmental mobility in OCNC and address the inconsistencies in different literature reports.
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000908552 65017 $$0V:(DE-MLZ)GC-1602-2016$$2V:(DE-HGF)$$aPolymers, Soft Nano Particles and  Proteins$$x0
000908552 693__ $$0EXP:(DE-MLZ)SPHERES-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)SPHERES-20140101$$6EXP:(DE-MLZ)NL6S-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz $$eSPHERES: Backscattering spectrometer$$fNL6S$$x0
000908552 7001_ $$0P:(DE-Juel1)130777$$aKruteva, Margarita$$b1$$eCorresponding author
000908552 7001_ $$0P:(DE-Juel1)131056$$aZamponi, Michaela$$b2$$ufzj
000908552 7001_ $$0P:(DE-Juel1)172686$$aEhlert, Sascha$$b3
000908552 7001_ $$0P:(DE-Juel1)130917$$aRichter, Dieter$$b4$$ufzj
000908552 7001_ $$0P:(DE-Juel1)172658$$aFörster, Stephan$$b5$$ufzj
000908552 773__ $$0PERI:(DE-600)2898355-5$$a10.1103/PhysRevMaterials.6.L012601$$gVol. 6, no. 1, p. L012601$$n1$$pL012601$$tPhysical review materials$$v6$$x2475-9953$$y2022
000908552 8564_ $$uhttps://juser.fz-juelich.de/record/908552/files/PhysRevMaterials.6.L012601.pdf$$yOpenAccess
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