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Published November 23, 2005 | Supplemental Material
Journal Article Open

An Electrochemical Color-Switchable RGB Dye: Tristable [2]Catenane

Abstract

We propose a design for an electrochemically driven RGB dye based on a tristable [2]catenane, in which the color of the molecule can be switched between Red, Green, and Blue by merely changing voltage. Based on DFT calculations, we conclude that the tristable [2]catenane should consist of a CBPQT^(4+) ring interlocked with a polyether macrocyle containing DNP (red), TTF (green), and FBZD (blue) units as the tunable RGB color-generating donors. Thus, at controllable voltages 0, V_1, and V_2, the [2]catenane is expected to display green, blue, and red colors, respectively. The advent of these RGB tristable molecules may have potential applications in low cost paperlike electronic displays.

Additional Information

© 2005 American Chemical Society. Received 15 November 2004. Published online 1 November 2005. Published in print 23 November 2005. We thank Paul Bonvallet (UCLA) for helpful discussions. This research was supported by MSC internal grants (Caltech) and MARCO-FENA (Caltech, UCLA). In addition the MSC is supported by MURI-ARO, MURI-ONR, DOE (ASC, FETL), NSF (CHE), NIH, Aventis Pharma, ChevronTexaco, Nissan Corp., Berlix Biopharma, and Beckman Institute.

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