doi: 10.1039/c3cc42889c.
A facile protection-deprotection route for obtaining indigo pigments as thin films and their applications in organic bulk heterojunctions
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- PMID: 23723050
- DOI: 10.1039/c3cc42889c
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A facile protection-deprotection route for obtaining indigo pigments as thin films and their applications in organic bulk heterojunctions
Chem Commun (Camb).
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Abstract
Indigo and its derivatives are industrially-important dyes known for centuries. The low solubility of these compounds limits their applications and hinders potential synthetic chemistry using indigo as a building-block. Herein we report attachment of the tert-butoxy carbonyl (tBOC) thermolabile protecting group to indigos, allowing their processing into neat thin films as well as mixed films with a semiconducting polymer. Photoinduced charge transfer is observed to and from these pigments and the polymer.
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