Electron spin resonance and CIDNP studies on 1,3-cyclopentadiyls. A localized 1,3 carbon biradical system with a triplet ground state. Tunneling in carbon-carbon bond formation

1979 ◽  
Vol 101 (16) ◽  
pp. 4688-4694 ◽  
Author(s):  
S. L. Buchwalter ◽  
G. L. Closs
Keyword(s):  
Electron Spin Resonance ◽  
Electron Spin ◽  
Ground State ◽  
Bond Formation ◽  
Triplet Ground State ◽  
Carbon Bond ◽  
Carbon Carbon Bond ◽  
Spin Resonance

scholarly journals Open-shell Donors and Closed-shell Acceptors in Organic Solar Cells

2021 ◽  
Author(s):  
Zhongxin Chen ◽  
Yuan Li ◽  
Wenqiang Li ◽  
Weiya Zhu ◽  
Miao Zeng ◽  
...  
Keyword(s):  
Solar Cells ◽  
Electron Spin Resonance ◽  
Electron Spin ◽  
Organic Solar Cells ◽  
Ground State ◽  
Variable Temperature ◽  
Closed Shell ◽  
Open Shell ◽  
Singlet Ground State ◽  
Spin Resonance

The active materials of organic solar cells are widely recognized to show closed-shell singlet ground state and their electron spin resonance signals are attributed to the defects and impurities. Herein, we disclose the inherent open-shell singlet ground state of donors and the closed-shell structure of acceptors via the combination of variable temperature NMR, electron spin resonance, superconducting quantum interference device and theoretical calculation, providing a new perspective to understand the intrinsic molecular structure in organic solar cells.

Ground state of the magnetic molecule {V6} determined by broadband electron spin resonance at low frequency

2011 ◽  
Vol 109 (7) ◽  
pp. 07B104 ◽  
Author(s):  
M. Corti ◽  
L. Cattaneo ◽  
M. C. Mozzati ◽  
F. Borsa ◽  
Z. H. Jang ◽  
...  
Keyword(s):  
Electron Spin Resonance ◽  
Electron Spin ◽  
Ground State ◽  
Low Frequency ◽  
Spin Resonance
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