Polycyclic aromatic compound
US-11407774-B2 · Aug 9, 2022 · US
US12410198B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12410198-B2 |
| Application number | US-202118259567-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 21, 2021 |
| Priority date | Dec 28, 2020 |
| Publication date | Sep 9, 2025 |
| Grant date | Sep 9, 2025 |
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Disclosed is a compound having the following formula (1):as well as to the use of such as a dye sensitizer.Also disclosed is a dye sensitized solar cell including at least one compound of formula (I) as dye sensitizer.
Opening claim text (preview).
The invention claimed is: 1. A compound having the following formula (I): wherein: Ar is selected from the group consisting of: a phenyl group; and a phenyl group substituted with at least one substituent L selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; Y is selected from the group consisting of: a phenylene radical; and a thiophenylene radical; a furanylene radical; and W is a phenyl group comprising at least one substituent Z, wherein Z is selected from the group consisting of: (C 1 -C 12 )alkyl groups; (C 1 -C 12 )alkoxy groups; and di((C 1 -C 12 )alkyl)amino groups; R 1 is H; R 2 is an anchoring group selected from the group consisting of: a —COOH group; a —C(═O)—NH(OH) group; a —CH═C(CN)(COOH) group; and a —PO 3 H 2 group; R 3 is selected from the group consisting of: H; an anchoring group selected from the group consisting of: a —COOH group; a —C(═O)—NH(OH) group; a —CH═C(CN)(COOH) group; and a —PO 3 H 2 group; (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; (C 1 -C 16 )thioalkyl groups; and a group having the following formula (III): wherein R 5 and R 6 , identical or different, are selected from the group consisting of: (C 1 -C 16 )alkyl groups; a group having the following formula (IV): R 7 being a (C 1 -C 16 )alkyl group; a group having the following formula (V): R a being a (C 1 -C 16 )alkyl group; a group having the following formula (VI): R 9 being a (C 1 -C 16 )alkyl group; a group having the following formula (III-1): wherein R′ 5 and R′ 6 , identical or different, are a group having the following formula (VI-1): R′ 9 being a (C 1 -C 16 )alkyl group; R 4 is selected from the group consisting of: H; (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; (C 1 -C 16 )thioalkyl groups; and a group having the following formula (VII): wherein R 10 and R 11 , identical or different, are selected from the group consisting of: (C 1 -C 16 )alkyl groups; a group having the following formula (VIII): R 12 being a (C 1 -C 16 )alkyl group; a group having the following formula (IX): R 13 being a (C 1 -C 16 )alkyl group; a group having the following formula (X): R 14 being a (C 1 -C 16 )alkyl group. 2. The compound having the formula (I) of claim 1 , wherein Ar is selected from the group consisting of: a phenyl group; a substituted phenyl group comprising one substituent in ortho, meta or para position, having the following formula (1): L being as defined in claim 1 ; a substituted phenyl group having the following formula (2): wherein L 1 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; L 2 is H and L 3 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; or L 3 is H and L 2 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; a substituted phenyl group having the following formula (3): wherein L 4 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; L 5 is H and L 6 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; or L 6 is H and L 5 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups. 3. The compound having the formula (I) of claim 1 , wherein Ar is selected from the group consisting of: a phenyl group; a substituted phenyl group comprising one substituent in ortho, meta or para position, having the following formula (1): L being as defined in claim 1 ; a substituted phenyl group having the following formula (2): wherein L 1 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; L 2 is H and L 3 is identical to L 1 or L 3 is H and L 2 is identical to L 1 ; and a substituted phenyl group having the following formula (3): wherein L 4 is selected from the group consisting of: (C 1 -C 16 )alkyl groups; (C 1 -C 16 )alkoxy groups; and (C 1 -C 16 )thioalkyl groups; and L 5 is H and L 6 is identical to L 4 or L 6 is H and L 5 is identical to L 4 . 4. The compound having the formula (I) of claim 1 , wherein Ar is a phenyl group, a p-tert-butylphenyl group or a phenyl group substituted with an alkoxy group. 5. The compound according to claim 1 , having the following formula (II): wherein Ar, R 1 , R 2 , R 3 , R 4 , and W are as defined in claim 1 . 6. The compound according to claim 1 , wherein W is a group having one of the below formulae (4) to (7): Z being as defined in claim 1 . 7. The compound according to claim 1 , wherein R 2 is a —COOH group. 8. The compound according to c
Dye sensitized solar cells · CPC title
Charge-transfer complexes · CPC title
comprising boron · CPC title
comprising a mixture of two or more dyes · CPC title
comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution · CPC title
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