An Organic Semiconductor Organized into 3D DNA Arrays by “Bottom‐up” Rational Design
- Department of Chemistry New York University New York NY 10003 USA
- Department of Chemistry Purdue University West Lafayette IN 47907 USA
Abstract A 3D array of organic semiconductors was assembled using a DNA scaffold. An octameric aniline molecule (“octaniline”) was incorporated into a DNA building block based on a dimeric tensegrity triangle. The construct self‐assembled to form a 3D crystal. Reversible redox conversion between the pernigraniline and leucoemeraldine states of the octaniline is retained in the crystal. Protonic doping gave emeraldine salt at pH 5, corresponding to the conductive form of polyaniline. Redox cycling within the crystal was visualized by color changes and Raman microscopy. The ease of conversion between the octaniline states suggests that it is a viable electronic switch within a unique 3D structure.
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- SC0007991
- OSTI ID:
- 1399624
- Journal Information:
- Angewandte Chemie, Journal Name: Angewandte Chemie Vol. 129 Journal Issue: 23; ISSN 0044-8249
- Publisher:
- Wiley Blackwell (John Wiley & Sons)Copyright Statement
- Country of Publication:
- Germany
- Language:
- English
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