An Organic Semiconductor Organized into 3D DNA Arrays by “Bottom-up” Rational Design
Journal Article
·
· Angewandte Chemie (International Edition)
- New York Univ. (NYU), NY (United States)
- Purdue Univ., West Lafayette, IN (United States)
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.
- Research Organization:
- New York Univ. (NYU), NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); National Science Foundation (NSF); US Air Force Office of Scientific Research (AFOSR); US Army Research Office (ARO); US Department of the Navy, Office of Naval Research (ONR); Gordon and Betty Moore Foundation
- Grant/Contract Number:
- SC0007991; CHE-1412568; ODISSEI-1332411; CCF- 526650; W911NF-11-1-0024; N000141110729; GBMF3849
- OSTI ID:
- 1533098
- Alternate ID(s):
- OSTI ID: 1399620
- Journal Information:
- Angewandte Chemie (International Edition), Vol. 56, Issue 23; ISSN 1433-7851
- Publisher:
- WileyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 34 works
Citation information provided by
Web of Science
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