Related Experiment Video
Updated: May 17, 2025
Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
Published on: May 12, 2023
Adaptive hydrogen-bonding strategy driven 0D manganese-based metal halides with multifunctional fluorescent
Jiamin Liu1,2, Yuntao Ruan1,2, Qiaoqi Qin1,2
1Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, School of Chemistry, Institute of Green Chemistry and Molecular Engineering, Sun Yat-sen University, Guangzhou 510275, China.
Abstract:
Herein, we designed organic cations with multiple donor and acceptor sites of hydrogen bonds and reported reversible luminescence modulation in 0D manganese-based metal halides via water-driven in situ structural transformations with the above adaptive hydrogen-bonding cation. The non-fluorescent-to-fluorescent transition at human body temperature highlights their high sensitivity and environmental adaptability as promising candidates for advanced fluorescence-based sensing and anti-counterfeiting applications. Besides, the high photoluminescence quantum yield and great stability of fluorescent (BBD)MnBr4 provide a way to explore OIHMHs pumped by green light for white LEDs.
More Related Videos
Related Concept Videos
02:42Valence Bond Theory
03:02Colors and Magnetism
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
02:51Metal-Ligand Bonds
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
01:23Properties of Organometallic Compounds
02:58Crystal Field Theory - Octahedral Complexes
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
01:04Hydrogen Bonds