Patent ID: 11920069
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 13:
14. A layered composite comprising at least:
aa) a layer comprising at least
(A) a quantum material comprising a plurality of at least one kind of semiconducting nanoparticle,
(B) a matrix polymer,
(C) at least one antioxidant, which is 2-tert-Butylhydrochinone; 4-tert-Butylcatechol; 6-tert-Butyl-2,4-xylenol; 3,5-Di-tert-butyl-4-hydroxytoluene; 2,6-Di-tert-butylphenol; or a combination of two or more thereof, and
(D) an organic additive of formula (II), wherein
M is a divalent metal ion; and
R1 and R2 are, each independently, a straight chain alkyl group having 1 to 16 carbons atoms, or a straight chain alkenyl group having 2 to 15 carbon atoms or a branched chain alkyl or alkenyl group having 3 to 15 carbon atoms and
bb) a substrate.