期刊
JOURNAL OF COMPUTATIONAL CHEMISTRY
卷 32, 期 9, 页码 2005-2011出版社
WILEY-BLACKWELL
DOI: 10.1002/jcc.21789
关键词
nonlinear optical properties; the first hyperpolarizabilities; the excess electron; aromatic ring
资金
- NSFC [20773048, 21073075]
- Jilin University [450080011085, 450080011084]
Several new electride compounds M@pyrrole (M = Li, Na, and K), Li@AR (AR = indole, thiophene, and benzene), Li@tryptophan and Li@serotonin were designed and investigated, which exhibit considerably large first hyperpolarizabilities (beta(0)) (6705, 1116, 11399, 5781, 4808, 1536, 8106, and 9389 au, respectively) by comparison with their corresponding sole molecules pyrrole (b0 5 30 au), indole (104 au), thiophene (6 au), benzene (0 au), tryptophan (159 au) and serotonin (151 au), respectively. The computational results revealed that the interaction of the alkali metal atom with p-conjugated aromatic ring (AR) is one effectively new approach to produce diffuse excess electron to get a large b0 value, which is advantageous for the design of the novel high-performance NLO materials with p-conjugated AR: alkali metal atoms doped nanomaterials and biomolecules. (C) 2011 Wiley Periodicals, Inc. J Comput Chem 32: 2005-2011, 2011
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