The grafts of fluorophores 9‐anthraldehyde (AD) and 9‐phenanthrenecarboxaldehyde (PD), respectively, on the one‐dimensional spin‐crossover compound [Fe(L)3](ClO4)2 (FeL, L=4‐amino‐1,2,4‐triazole) by post‐synthetic aldimine condensation...
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https://www.riss.kr/link?id=O120653412
2018년
-
0947-6539
1521-3765
SCI;SCIE;SCOPUS
학술저널
3218-3224 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
The grafts of fluorophores 9‐anthraldehyde (AD) and 9‐phenanthrenecarboxaldehyde (PD), respectively, on the one‐dimensional spin‐crossover compound [Fe(L)3](ClO4)2 (FeL, L=4‐amino‐1,2,4‐triazole) by post‐synthetic aldimine condensation...
The grafts of fluorophores 9‐anthraldehyde (AD) and 9‐phenanthrenecarboxaldehyde (PD), respectively, on the one‐dimensional spin‐crossover compound [Fe(L)3](ClO4)2 (FeL, L=4‐amino‐1,2,4‐triazole) by post‐synthetic aldimine condensation reactions produced two spin‐crossover (SCO)–fluorescent hybrid materials, that is, FeL‐AD and FeL‐PD. The spin‐crossover critical temperatures of the two materials both centered at Tc↓=254 and Tc↑=256 K, whereas the fluorescence intensities of the two materials featured functions of the temperature that strictly synchronized with the spin‐crossover processes, which showed that the ligand‐centered fluorescence was dominated by the spin states of the ferrous ions. The bifunctional entities (spin‐crossover centers and fluorophores) in FeL‐AD or FeL‐PD showed spectral band overlap that purported the Förster resonance energy transfer mechanism of such spin‐crossover–fluorescence correlation. The post‐synthetic modification of SCO materials and the relationship between the fluorescence and the SCO may be helpful in the development of multifunctional materials that can be sensitive to multiple stimuli.
Reciprocal conclusion: Two hybrid spin‐crossover–fluorescent (FL) materials made by post‐synthetic aldimine condensation reactions exhibit synchronization of changes in the spin states (hs=high spin, ls=low spin) and the fluorescence intensity, giving the possibility to reciprocally report spin states and fluorescence in one system (see figure).
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