An Organic Semiconductor Organized into 3D DNA Arrays by “Bottom-up” Rational Design

Xiao Wang; Ruojie Sha; Martin Kristiansen; Carina Hernandez; Yudong Hao; Chengde Mao; James W. Canary; Nadrian C. Seeman

doi:10.1002/anie.201700462

An Organic Semiconductor Organized into 3D DNA Arrays by “Bottom-up” Rational Design

Xiao Wang, Ruojie Sha, Martin Kristiansen, Carina Hernandez, Yudong Hao, Chengde Mao, James W. Canary, Nadrian C. Seeman

Chemistry

Research output: Contribution to journal › Article › peer-review

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.

Original language	English (US)
Pages (from-to)	6445-6448
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	56
Issue number	23
DOIs	https://doi.org/10.1002/anie.201700462
State	Published - 2017

Keywords

DNA tensegrity triangle
crystal engineering
nanoelectronics
polyaniline
self-assembly

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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10.1002/anie.201700462

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An Organic Semiconductor Organized into 3D DNA Arrays by “Bottom-up” Rational Design. / Wang, Xiao; Sha, Ruojie; Kristiansen, Martin; Hernandez, Carina; Hao, Yudong; Mao, Chengde; Canary, James W.; Seeman, Nadrian C.

In: Angewandte Chemie - International Edition, Vol. 56, No. 23, 2017, p. 6445-6448.

Research output: Contribution to journal › Article › peer-review

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title = "An Organic Semiconductor Organized into 3D DNA Arrays by “Bottom-up” Rational Design",

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.",

keywords = "DNA tensegrity triangle, crystal engineering, nanoelectronics, polyaniline, self-assembly",

author = "Xiao Wang and Ruojie Sha and Martin Kristiansen and Carina Hernandez and Yudong Hao and Chengde Mao and Canary, {James W.} and Seeman, {Nadrian C.}",

note = "Funding Information: This research was supported by grant CHE-1412568 to J.W.C. and NSF/AFOSR ODISSEI-1332411 to J.W.C. and N.C.S. This research was supported by the following grants to N.C.S.: CCF-1526650 from the NSF, MURI W911NF-11-1-0024 from ARO, N000141110729 from ONR, DE-SC0007991 from DOE for DNA synthesis and partial salary support, and grant GBMF3849 from the Gordon and Betty Moore Foundation. X.W. was supported by ?The Margaret and Herman Sokol Fellowship? from Department of Chemistry, New York University.",

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AU - Hao, Yudong

AU - Mao, Chengde

AU - Canary, James W.

AU - Seeman, Nadrian C.

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