G-quadruplex organic frameworks

Yi Lin Wu, Noah E. Horwitz, Kan Sheng Chen, Diego A. Gomez-Gualdron, Norman S. Luu, Lin Ma, Timothy C. Wang, Mark C Hersam, Joseph T Hupp, Omar K. Farha, Randall Q. Snurr, Michael R Wasielewski

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Two-dimensional covalent organic frameworks often I € stack into crystalline solids that allow precise spatial positioning of molecular building blocks. Inspired by the hydrogen-bonded G-quadruplexes found frequently in guanine-rich DNA, here we show that this structural motif can be exploited to guide the self-Assembly of naphthalene diimide and perylene diimide electron acceptors end-capped with two guanine electron donors into crystalline G-quadruplex-based organic frameworks, wherein the electron donors and acceptors form ordered, segregated I €-stacked arrays. Time-resolved optical and electron paramagnetic resonance spectroscopies show that photogenerated holes and electrons in the frameworks have long lifetimes and display recombination kinetics typical of dissociated charge carriers. Moreover, the reduced acceptors form polarons in which the electron is shared over several molecules. The G-quadruplex frameworks also demonstrate potential as cathode materials in Li-ion batteries because of the favourable electron-and Li-ion-Transporting capacity provided by the ordered rylene diimide arrays and G-quadruplex structures, respectively.

Original languageEnglish
Pages (from-to)466-472
Number of pages7
JournalNature Chemistry
Volume9
Issue number5
DOIs
Publication statusPublished - May 1 2017

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Electrons
Guanine
Perylene
Crystalline materials
Polarons
Naphthalene
Charge carriers
Self assembly
Paramagnetic resonance
Hydrogen
Cathodes
DNA
Display devices
Spectroscopy
Ions
Molecules
Kinetics

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Wu, Y. L., Horwitz, N. E., Chen, K. S., Gomez-Gualdron, D. A., Luu, N. S., Ma, L., ... Wasielewski, M. R. (2017). G-quadruplex organic frameworks. Nature Chemistry, 9(5), 466-472. https://doi.org/10.1038/nchem.2689

G-quadruplex organic frameworks. / Wu, Yi Lin; Horwitz, Noah E.; Chen, Kan Sheng; Gomez-Gualdron, Diego A.; Luu, Norman S.; Ma, Lin; Wang, Timothy C.; Hersam, Mark C; Hupp, Joseph T; Farha, Omar K.; Snurr, Randall Q.; Wasielewski, Michael R.

In: Nature Chemistry, Vol. 9, No. 5, 01.05.2017, p. 466-472.

Research output: Contribution to journalArticle

Wu, YL, Horwitz, NE, Chen, KS, Gomez-Gualdron, DA, Luu, NS, Ma, L, Wang, TC, Hersam, MC, Hupp, JT, Farha, OK, Snurr, RQ & Wasielewski, MR 2017, 'G-quadruplex organic frameworks', Nature Chemistry, vol. 9, no. 5, pp. 466-472. https://doi.org/10.1038/nchem.2689
Wu YL, Horwitz NE, Chen KS, Gomez-Gualdron DA, Luu NS, Ma L et al. G-quadruplex organic frameworks. Nature Chemistry. 2017 May 1;9(5):466-472. https://doi.org/10.1038/nchem.2689
Wu, Yi Lin ; Horwitz, Noah E. ; Chen, Kan Sheng ; Gomez-Gualdron, Diego A. ; Luu, Norman S. ; Ma, Lin ; Wang, Timothy C. ; Hersam, Mark C ; Hupp, Joseph T ; Farha, Omar K. ; Snurr, Randall Q. ; Wasielewski, Michael R. / G-quadruplex organic frameworks. In: Nature Chemistry. 2017 ; Vol. 9, No. 5. pp. 466-472.
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