Patent ID: 11932813
Assignee: UNIVERSITY OF CONNECTICUT
Field: Optics (Instruments)
Classification: CPC C  G  H | IPC C

Claim 0:
1. An electrochromic material composition, comprising
a salt, wherein the salt comprises an alkali metal ion M, wherein the salt if MClO4, MPF6, MBF4, MAsF6, MSbF6, MCF3SO3, MCF3CO2, M2C2F4(SO3)2, MN(CF3SO2)2, MN(C2F5SO2)2, MC(CF3SO2)3, MCnF2n+1SO3 wherein 2≤n≤3, MN(RfOSO2)2 wherein Rf is a fluoroalkyl group, or a combination thereof, or wherein the salt is an ionic liquid based on imidazolium, pyridinium, phosphonium or tetraalkyl ammonium;
a small molecule organic electrochromic material of formula (I), (I-A), (II), (II-A), (III), or a combination thereof;
a polymer or copolymer electrochromic of formula (IV), (V), (V-A), (VI), (VI-A), or a combination thereof; and
optionally a plasticizer, a solvent, or a combination thereof;, wherein, , wherein
each X1 independently is O, S, or NR; R is H, C1-20 alkyl;
each R1 independently is C1-20 alkyl;
each Z1 independently is H, C1-20 alkyl, halogen, nitro, cyano, hydroxyl, C6-C12 aryl, C3-C20 cycloalkyl, C1-C20 alkyl, C1-C20 alkoxy, C1-C20 alkylthio, C1-C20 haloalkyl, amino, C1-C12 alkylamino, or C1-C12 diaminoalkyl;
Ar is anthracene, benzophenone, 2,1,3-benzothiadiazole, dibenzofuran, dibenzothiophene, diphenylfulvene, 1,3-diphenylisobenzofuran, 2,2′-dipyridyl, 4,4′-dipyridyl, fluorene, fluorenone, naphthyl, 2-nitrobiphenyl, phenanthrene, phenyl, pyrene, terphenyl, or triphenylene;
each Z2 independently is C1-20 alkyl, halogen, nitro, cyano, hydroxyl, C6-C12 aryl, C3-C20 cycloalkyl, C1-C20 alkyl, C1-C20 alkoxy, C1-C20 alkylthio, C1-C20 haloalkyl, amino, C1-C12 alkylamino, or C1-C12 diaminoalkyl;
q is 0, 1, 2, 3, or 4;
Ar1 and Ar2 each independently is an aromatic group;
each X2 independently is O, S, or NR;
each R2 and R3 independently is
C1-20 alkylene, or
a poly(alkylene ether), a poly(alkylene glycol) comprising ethyleneoxy, propyleneoxy, and butyleneoxy repeating units containing 2-20 carbon atoms, or
a C4-40 alkylene chain wherein the chain comprises 1, 2, 3, or 4 Q1 groups within the backbone of the chain, wherein each Q1 independently is O, S, —O(C═O)—, —(O═C)O—, —S(C═O)—, or —(O═C)S—;

a is about 1 to about 99 mol %;
b is about 1 to about 99 mol %; and
n is an integer resulting in a polymer or copolymer molecular weight of about 10,000 to about 100,000 g/mol.