TY - JOUR PB - Elsevier A1 - Migliozzi, Simona A1 - He, Yiting A1 - Angeli, Panagiota A1 - Lan, Yang JF - Colloids and Surfaces A: Physicochemical and Engineering Aspects KW - Pickering emulsions KW - Microgel-laden interfaces KW - Supramolecular host-guest complexes KW - Interfacial rheology VL - 699 N1 - This version is the author accepted manuscript. For information on re-use, please refer to the publisher?s terms and conditions. N2 - We propose a new method to improve the interfacial elasticity of microgel-stabilised Pickering emulsions (PEs) by introducing supramolecular host-guest interactions to promote clustering among microgel particles. To this aim, microgels based on poly(N-isopropylacrylamide) (pNIPAM) are modified with 1-benzyl-3-vinylimidazolium bromide (BVI) to create pNIPAM-co-BVI microgels (MG). Cucurbit[8]uril (CB[8]) are introduced to form supramo-lecular BVI/CB[8] host-guest complexes. The introduction of CB[8] affects microgel spatial distribution at the interface of Pickering droplets, promoting the formation of monolayers of microgel clusters. These structures alter the interfacial viscoelasticity of the microgel monolayers, enhancing the resistance of (MG+CB[8])-stabilised interfaces to lateral and dilational deformations. PEs stabilised by microgels with the presence of CB[8] host-guest interactions exhibit improved stability over time. These results show the possibility of tuning the interfacial properties of microgel-laden interfaces by introducing supramolecular ternary complexes that can solely alter the interparticle interactions among microgels without significantly changing their morphology and deformability at the interface, thus providing a new route for improved emulsion stabilisation. ID - discovery10193940 UR - http://dx.doi.org/10.1016/j.colsurfa.2024.134538 Y1 - 2024/10/20/ SN - 0927-7757 TI - Enhancing interfacial elasticity via supramolecular microgel assembly for improved Pickering emulsions stability AV - restricted ER -