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- Title
Synthesis, Structures and Optical Limiting of Catecholato‐Based Aluminum Oxo Clusters.
- Authors
Liu, Zhuang‐Hua; Chen, Ran‐Qi; Wang, San‐Tai; Liu, Ya‐Jie; Fang, Wei‐Hui; Zhang, Jian
- Abstract
Present herein is the currently largest catecholato‐based aluminum oxo clusters. By adjusting the amount of auxiliary 3, 5‐dimethylpyrazole ligands, the synthesis of aluminum oxo clusters (AlOCs) (AlOC‐86) to high nuclearity AlOCs (AlOC‐88) were successfully achieved. Such synthetic strategy is applicable to imidazole ligands and new compounds (AlOC‐87 and AlOC‐89) were obtained. Single crystal analysis shows that AlOC‐86 and AlOC‐87 are hexanuclear clusters made up of two edge‐sharing tetrahedral clusters. The nuclearity of compounds AlOC‐88 and AlOC‐89 is doubled and they are S‐shape dodecanuclear AlOCs. The aggregation of such clusters is attributed to the labile sites on the two ends of the hexanuclear clusters. In addition, open aperture (OA) Z‐scan measurements results indicate that these compounds exhibit manifest reverse saturation absorption (RSA) response.
- Subjects
OPTICAL limiting; ALUMINUM; SINGLE crystals; IMIDAZOLES; LIGANDS (Chemistry)
- Publication
European Journal of Inorganic Chemistry, 2022, Vol 2022, Issue 29, p1
- ISSN
1434-1948
- Publication type
Article
- DOI
10.1002/ejic.202200376