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Rohde, Jan-Uwe
Transition Metal Chemistry
Research Interests
  • Inorganic chemistry, coordination chemistry, organometallic chemistry, chemical synthesis, catalysis, green chemistry, inorganic reaction mechanisms.

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Organic Radical-Linked Covalent Triazine Framework with Paramagnetic Behavior

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Title
Organic Radical-Linked Covalent Triazine Framework with Paramagnetic Behavior
Author
Jiang, YiOh, InseonJoo, Se HunBuyukcakir, OnurChen, XiongLee, Sun HwaHuang, MingSeong, Won KyungKim, Jin HoonRohde, Jan-UweKwak, Sang KyuYoo, Jung-WooRuoff, Rodney S.
Issue Date
2019-05
Publisher
AMER CHEMICAL SOC
Citation
ACS NANO, v.13, no.5, pp.5251 - 5258
Abstract
The production of multifunctional pure organic materials that combine different sizes of pores and a large number of electron spins is highly desirable due to their potential applications as polarizers for dynamic nuclear polarization nuclear magnetic resonance and as catalysts and magnetic separation media. Here, we report a polychlorotriphenylmethyl radical-linked covalent triazine framework (PTMR-CTF). Two different sizes of micropores were established by N-2 sorption and the presence of unpaired electrons (carbon radicals) by electron spin resonance and superconducting quantum interference device vibrating sample magnetometer analyses. Magnetization measurements demonstrate that this material exhibits spin-half paramagnetism with a spin concentration of similar to 2.63 X 10(23) spins/mol. We also determined the microscopic origin of the magnetic moments in PTMR-CTF by investigating its spin density and electronic structure using density functional theory calculations.
URI
https://scholarworks.unist.ac.kr/handle/201301/27342
URL
https://pubs.acs.org/doi/10.1021/acsnano.8b09634
DOI
10.1021/acsnano.8b09634
ISSN
1936-0851
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