SYSTEMATIC STUDY OF THE VIBRATIONAL PROPERTIES OF POLY(PHENYLENE VINYLENE) AND RELATED OLIGOMERS
文献类型：期刊论文
| 作者 | WANG, WZ; WANG, WZ , LOS ALAMOS NATL LAB,DIV THEORET,LOS ALAMOS,NM 87545, USA.; SAXENA, A; BISHOP, AR |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 1994 |
| 卷号 | 50期号:9页码:6068-6076 |
| 关键词 | Detected Magnetic-resonance Trans-stilbene Poly(Para-phenylene Vinylene) Polyparaphenylene-vinylene Conjugated Polymers Optical-properties Crystal-structure Polyacetylene Spectra Poly(Paraphenylenevinylene) |
| ISSN号 | 0163-1829 |
| 英文摘要 | Within a two-dimensional Su-Schrieffer-Heeger-like Hamiltonian, the electronic and vibrational properties of poly(phenylene vinylene) (PPV) and its model oligomers are investigated systematically. The stable geometric and electronic configurations of this PPV series are determined within the Bogoliubov-de Gennes formalism, with good agreement with the observed variation of the electronic gap with chain length, and the observed spatial extent of the nonlinear excitations (polarons, bipolarons, etc.). The dynamics of lattice relaxation subsequent to electron doping is also analyzed, and suggests relatively weak e-ph coupling in this system. The two-dimensional vibrational spectra of the PPV series have been obtained in the random-phase and frozen-phonon approximations, and certain doping-induced localized modes are identified to be either ir or Raman active. The ir, Raman, and resonant Raman spectra of the pristine and charged PPV series are calculated and compared carefully with corresponding experiments, with overall good agreement. |
| 学科主题 | Physics |
| URL标识 | 查看原文 |
| WOS记录号 | WOS:A1994PG28500031 |
| 公开日期 | 2012-08-29 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/11861]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 通讯作者 | WANG, WZ , LOS ALAMOS NATL LAB,DIV THEORET,LOS ALAMOS,NM 87545, USA. |
| 推荐引用方式 GB/T 7714 | WANG, WZ,WANG, WZ , LOS ALAMOS NATL LAB,DIV THEORET,LOS ALAMOS,NM 87545, USA.,SAXENA, A,et al. SYSTEMATIC STUDY OF THE VIBRATIONAL PROPERTIES OF POLY(PHENYLENE VINYLENE) AND RELATED OLIGOMERS[J]. PHYSICAL REVIEW B,1994,50(9):6068-6076. |
| APA | WANG, WZ,WANG, WZ , LOS ALAMOS NATL LAB,DIV THEORET,LOS ALAMOS,NM 87545, USA.,SAXENA, A,&BISHOP, AR.(1994).SYSTEMATIC STUDY OF THE VIBRATIONAL PROPERTIES OF POLY(PHENYLENE VINYLENE) AND RELATED OLIGOMERS.PHYSICAL REVIEW B,50(9),6068-6076. |
| MLA | WANG, WZ,et al."SYSTEMATIC STUDY OF THE VIBRATIONAL PROPERTIES OF POLY(PHENYLENE VINYLENE) AND RELATED OLIGOMERS".PHYSICAL REVIEW B 50.9(1994):6068-6076. |
入库方式： OAI收割
来源：理论物理研究所
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