Abstract: A perovskite luminescent crystal composition including perovskite luminescent crystals bearing a polymeric surface ligand having a molecular weight of at least 700 g/mol, wherein the polymeric surface ligand is a polymer including a backbone and side chains, wherein at least one side chain includes at least one functional group selected from amines, carboxylates, phosphates, thiols or combinations thereof, wherein the binding of the perovskite luminescent crystals to the surface ligand occurs through the surface ligand's functional groups, thereby forming a perovskite luminescent crystal-ligand complex, and wherein the perovskite luminescent crystal-ligand complex is embedded in a polymer.

Abstract: A method of producing inorganic nanoparticles with a polar surface; including: a) providing an inorganic nanoparticle with a coordinated organic ligand to the nanoparticles surface; b) providing a replacement salt including a replacement ion and a counterion; c) treating the inorganic nanoparticle with the coordinated organic ligand with the replacement salt in the presence of a chelating agent that complexes the counterion, thereby increasing the replacements ion's reactivity and replacing the organic ligand on the nanoparticle surface by the replacement ion which results in an inorganic nanoparticle with a polar surface; and a kit for removing an organic ligand from an inorganic nanoparticle using the above method.

Abstract: A method of preparing a vesicular particle having at least in part a lipid and/or polymeric membrane that is a barrier between the interior and exterior of the vesicular particle, wherein the membrane includes at least one inorganic core nanoparticle embedded in the membrane, the method includes the steps of i) providing a first dispersion with one or more inorganic core particles having a hydrophobic dispersant shell, in a solution of membrane forming lipids and/or polymers in a non-aqueous solvent; and ii) introducing the first dispersion into a non-solvent for the membrane forming lipids and/or polymers, wherein the volume of the non-solvent exceeds the volume of the first dispersion, thereby forming the vesicular particles; the produced particle preparations and their uses.

Abstract: A surface-immobilized multilayer structure of a plurality of vesicles (2), the structure comprising at least one linker (4) immobilized onto the surface, the at least one linker (4) being bound to at least one other linker, which is attached to a vesicle, which optionally may have another linker (5) bound to another linker (5) attached to another vesicle (2), wherein the structure either comprises at least two vesicles (2) bound via linkers (5) to each other or at least two vesicles (2) bound via linkers (5) attached to the vesicles to one linker (4) immobilized onto the surface (1).

Abstract: A surface-immobilised multilayer structure of a plurality of vesicles (2), said structure comprising at least one linker (4) immobilised onto said surface, said at least one linker (4) being bound to at least one other linker, which is attached to a vesicle, which optionally may have another linker (5) bound to another linker (5) attached to another vesicle (2), wherein the structure either comprises at least two vesicles (2) bound via linkers (5) to each other or at least two vesicles (2) bound via linkers (5) attached to the vesicles to one linker (4) immobilised onto said surface (1).