BPCPPDYSOE21 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
CPP: Fachverband Chemische Physik und Polymerphysik
CPP 22: Poster Session III - Charged Soft Matter and Theory and Simulation
CPP 22.7: Poster
Mittwoch, 24. März 2021, 16:30–18:30, CPPp
Layer-by-layer Spray-oating of Cellulose Nanofibrils and Silver Nanoparticles for Hydrophilic Interfaces — •qing chen1,2, calvin brett1,3, andrei chumakov1, marc gensch1,4, matthias schwartzkopf1, volker körstgens4, daniel söderberg3, anton plech5, peng zhang6, peter müller-buschbaum4, and stephan roth1,3 — 1Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany — 2University of Science and Technology of China, 230026 Hefei, China — 3KTH Royal Institute of Technology, 10044 Stockholm, Sweden — 4Technische Universität München, 85748 Garching, Germany — 5Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany — 6Sun Yat-sen University, 510275 Guangzhou, China
Silver nanoparticles (AgNPs) and AgNP-based composite materials have attracted growing interest due to their structure-dependent optical, electrical, catalytic and stimuli-responsive properties. In this work, the fabrication of AgNP/cellulose nanofibril (CNF) thin-films via layer-by-layer (LBL) spray-coating is reported. The CNF substrate contributes to a more uniform distribution of AgNPs by its network structure, and by absorbing the partially dissolved AgNP agglomerates. Our approach provides a platform for a scalable production of AgNP/CNF films with low agglomeration rate by two different methods: (1) multi-step layer-by-layer (LBL) spray coating; and (2) direct spray coating of the AgNP/ CNF mixture. We also obtained a uniform AgNP layer with tailorable wettability and plasmonic properties, suggesting their potential applications in anti-fouling coatings and label-free biosensors.