本文利用核磁氢谱、吸收光谱和荧光光谱证明了环双(百草枯对苯撑)(CBPQT)与双2-萘甲酸三缩四乙二醇(N-P4-N)在乙腈溶液中能够形成1∶1的二元超分子给受体体系.瞬态吸收光谱的研究表明该超分子体系中光诱导电子转移的速率kCS > 1.0×108 s-1,电子回传的速率kCR = 1.26×103 s-1,光诱导电子转移所生成电荷分离态的寿命长达794 μs.
参考文献
[1] | Coropceanu V.;Malagoli M.;Andre JM.;Bredas JL. .Charge-transfer transitions in triarylamine mixed-valence systems: A joint density functional theory and vibronic coupling study[J].Journal of the American Chemical Society,2002(35):10519-10530. |
[2] | Amashukeli X;Winkler J R;Gray H B;Gruhn N E,Lichtenberger D L .Electron-transfer reorganization energies of isolated organic molecules[J].Journal of Physical Chemistry,2002,106:7593-7598. |
[3] | WILLIAM R. DICHTEL;OGNJEN S. MIUANIC;WENYU ZHANG .Kinetic and Thermodynamic Approaches for the Efficient Formation of Mechanical Bonds[J].Accounts of Chemical Research,2008(12):1750-1761. |
[4] | Bernardo A R;Stoddart J F;Kaifer A E .Cyclobis(paraquat-p-phenylene) as a synthetic receptor for electron-rich aromatic compounds:electrochemical and spectroscopic studies of neurotransmitter binding[J].Journal of the American Chemical Society,1992,114:10624-10631. |
[5] | Anelli P L;Ashton P R;Ballardini R et al.Molecular Meccano.1.[2]Rotaxanes and a[2]Catenane Made to Order[J].Journal of the American Chemical Society,1992,114:193-218. |
[6] | Odell B;Stoddart J F et al.Cyclobis(paraquat-p-phenylene):ATeracationic Multipurpose Receptor[J].Angewandte Chemie International Edition in English,1998,27:1547-1550. |
[7] | Mercedes Alvaro;Belen Ferrer;Vicente Fornes;Hermenegildo Garcla;J. C. Scaiano .Bipyridinium Macroring Encapsulated within Zeolite Y Supercages. Preparation and Intrazeolitic Photochemistry of a Common Electron Acceptor Component of Rotaxanes and Catenanes[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2002(26):6815-6820. |
[8] | Wu XL;Luo L;Lei L;Liao GH;Wu LZ;Tung CH .Highly efficient cucurbit[8]uril-templated intramolecular photocycloaddition of 2-naphthalene-labeled poly(ethylene glycol) in aqueous solution[J].The Journal of Organic Chemistry,2008(2):491-494. |
[9] | Wang F;Han CY;He CL;Zhou QZ;Zhang JQ;Wang C;Li N;Huang FH .Self-sorting organization of two heteroditopic monomers to supramolecular alternating copolymers[J].Journal of the American Chemical Society,2008(34):11254-11255. |
[10] | Chao Wang;Shouchun Yin;Senlin Chen .Controlled Self-Assembly Manipulated by Charge-Transfer Interactions:From Tubes to Vesicles[J].Angewandte Chemie,2008(47):9049-9052. |
[11] | 壬文锋;姚恩德 .乙腈体系中27一萘乙酮激发三重态性质的激光光解研究[J].核技术,2001,27:605-609. |
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