Electrochromic compound

• US 20050128561A1
• Filed: 02/01/2005
• Published: 06/16/2005
• Est. Priority Date: 10/11/1999
• Status: Active Grant

• Current Assignee: University College Dublin Nat'L University of Ireland
• Original Assignee: University College Dublin Nat'L University of Ireland
• Inventors: Corr, David, Boschloo, Gerrit, Cummins, David, Fitzmaurice, Donald, Rao, S. Nagaraja
• Granted Patent: US 7,358,358 B2
• Time in Patent Office: Days
• US Class Current: 359/265
• CPC Class Codes: C07F 17/02 of metals of Groups 8, 9 or 10 of the Periodic System
• CPC Class Codes: C07F 5/025 Boronic and borinic acid compounds
• CPC Class Codes: C07F 7/1804 Compounds having Si-O-C linkages Si-O-acyl linkages C07F7/1896
• CPC Class Codes: C07F 9/3808 Acyclic saturated acids which can have further substituents on alkyl
• CPC Class Codes: C07F 9/59 Hydrogenated pyridine rings
• CPC Class Codes: C07F 9/650994 condensed with carbocyclic rings or carbocyclic ring systems
• CPC Class Codes: C07F 9/65335 condensed with carbocyclic rings or carbocyclic ring systems
• CPC Class Codes: C07F 9/6547 condensed with carbocyclic rings or carbocyclic ring systems
• CPC Class Codes: C09K 9/02 Organic tenebrescent materials
• CPC Class Codes: G02F 1/1516 comprising organic material

Abstract

A compound for electrochromic devices. One such compound of the invention is (1-ferrocenyl) imido-benzylmethyl phosphonic acid.

Claims

1. A compound selected from the group consisting of compounds of the following formulae V-VII:

wherein X in Formula V is S or O and R₈-R₁₀ are each independently selected from the following;

wherein R₁₁ is C_1-10 alkyl and R₁₂-R₁₅ are each independently hydrogen;

C_1-10 alkyl;

C_1-10 alkylene;

optionally substituted aryl;

halogen;

nitro;

or an alcohol group; and

n=1-10.

2. The compound according to claim 1 of the formula V, which is selected from the group consisting of:

(1) β

-(10-phenothiazyl) propoxy phosphonic acid;

(2) β

-(10-phenothiazyl) propyl-phosphonic acid;

(3) β

-(10-phenothiazyl) propionate phosphonic acid; and

(4) β

-(10-phenoxazyl) propionate phosphonic acid.

3. The compound according to claim 1 of the formula VII which is (1-ferrocenyl) imido-benzylmethyl phosphonic acid.