Exploring Intertrimer Cu center dot center dot center dot Cu Interactions and Further Phosphorescent Properties of Aryl Trimer Copper(l) Pyrazolates via Substituent Changing and External Pressure
Gong, FB; Wang, Q; Chen, J; Yang, ZP; Liu, M; Li, SY; Yang, GQ; Bai, LG; Liu, J; Dong, YH; Bai LG(白利刚); Liu J(刘景); Dong YH(董宇辉)
刊名INORGANIC CHEMISTRY
2010
卷号49期号:4页码:1658-1666
学科分类Chemistry
DOI10.1021/ic9020417
通讯作者[Gong, Fangbin ; Wang, Qian ; Chen, Jun ; Yang, Zhipei ; Liu, Min ; Li, Shayu ; Yang, Guoqiang] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Key Lab Photochem, Inst Chem, Beijing 100190, Peoples R China ; [Bai, Ligang ; Liu, Jing ; Dong, Yuhui] Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要To explore the effect of intertrimer Cu center dot center dot center dot Cu interactions on the phosphorescent properties of trimeric copper(l) pyrazolates, three new complexes with identical core cluster structures and different substituents, {[3,5-(Me)(2)-4-(Ph)Pz]Cu}(3) (MPC-P), {[3,5-(Me)(2)-4-(1-Naph)Pz]Cu}(3) (MPC-N), and {[3,5-(Me)(2)-4-(9-Anthr)Pz]Cu}(3) (MPC-A), were synthesized. The intertrimer Cu center dot center dot center dot Cu distances of the three complexes were obtained from X-ray crystallographic data or molecular dynamics simulations. The phosphorescent properties of the three complexes were investigated at various pressures. At ambient pressure, the emissions of the three complexes were dramatically different from each other. For MPC-P, the main emission band was identified as phosphorescence and MPC-N gave a predominant emission of fluorescence and a weak emission of phosphorescence. When the substitutent was replaced by an anthryl group in MPC-A, no phosphorescence was observed, except for a strong fluorescence band. The phosphorescence of the trimer copper(l) pyrazolates was assigned to the excited-state dimer/polymer *[Cu(3)](n) with LMCT characteristics. Under higher external pressures, only phosphorescent intensities of MPC-P showed considerable enhancement at pressures up to 2 GPa. External pressure reduced the intertrimer Cu center dot center dot center dot Cu distances of MPC-P and enhanced the phosphorescence intensities, providing a direct evidence to support the assignment of phosphorescence.
类目[WOS]Chemistry, Inorganic & Nuclear
研究领域[WOS]Chemistry
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语种英语
WOS记录号WOS:000274240700056
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239460
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Gong, FB,Wang, Q,Chen, J,et al. Exploring Intertrimer Cu center dot center dot center dot Cu Interactions and Further Phosphorescent Properties of Aryl Trimer Copper(l) Pyrazolates via Substituent Changing and External Pressure[J]. INORGANIC CHEMISTRY,2010,49(4):1658-1666.
APA Gong, FB.,Wang, Q.,Chen, J.,Yang, ZP.,Liu, M.,...&董宇辉.(2010).Exploring Intertrimer Cu center dot center dot center dot Cu Interactions and Further Phosphorescent Properties of Aryl Trimer Copper(l) Pyrazolates via Substituent Changing and External Pressure.INORGANIC CHEMISTRY,49(4),1658-1666.
MLA Gong, FB,et al."Exploring Intertrimer Cu center dot center dot center dot Cu Interactions and Further Phosphorescent Properties of Aryl Trimer Copper(l) Pyrazolates via Substituent Changing and External Pressure".INORGANIC CHEMISTRY 49.4(2010):1658-1666.
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