x

## 留言板

Dynamical study on charge injection and transport in a metal/poly(p-phenylene vinylene)/metal structure

## Dynamical study on charge injection and transport in a metal/poly(p-phenylene vinylene)/metal structure

Li Dong-Mei, Li Hai-Hong, Li Yuan, Xie Shi-Jie, Liu De-Sheng
• #### Abstract

On the basis of the tight-binding Su-Schrieffer-Heeger model， the dynamical process of charge injection from metal electrode to a polymer in a metal/poly(p-phenylene vinylene) (PPV)/metal structure has been investigated by using a nonadiabatic dynamic approach. It is found that the injected charges form wave packets due to the strong electron-lattice interaction in PPV. The formation of the wave packet sensitively depends on the applied voltage， the electric field， and the contact between PPV and the metal electrode. In the absence of external fields， the charge can be injected into PPV chain and form wave packet under the critical bias voltage. With the increase of the electric field， the charge carriers can be ejected from PPV to the right metal electrode. But when the electric field becomes high enough， the wave packet can not be formed because it moves too fast in PPV. It is also shown that the number of ejected charges is not an integral multiple of the elementary charge e.

• Funds:

#### Cited By

•  [1] Liu Xiang, Mi Wen-Bo. Structure, Magnetic and Transport Properties of Fe3O4 near Verwey Transition. Acta Physica Sinica, 2020, 69(4): 040505. doi: 10.7498/aps.69.20191763 [2] Zhang Song-Ran, He Dai-Hua, Tu Hua-Yao, Sun yan, Kang Ting-Ting, Dai Ning, Chu Jun-Hao, Yu Guo-Lin. Magnetotransport properties and stress control of HgCdTe thin film. Acta Physica Sinica, 2020, 69(5): 057301. doi: 10.7498/aps.69.20191330 [3] Liu Ying-Guang, Bian Yong-Qing, Han Zhong-He. Heat transport behavior of bicrystal ZnO containing tilt grain boundary. Acta Physica Sinica, 2020, 69(3): 033101. doi: 10.7498/aps.69.20190627 [4] Zhang Meng, Yao Ruo-He, Liu Yu-Rong. A channel thermal noise model of nanoscaled metal-oxide-semiconductor field-effect transistor. Acta Physica Sinica, 2020, 69(5): 057101. doi: 10.7498/aps.69.20191512 [5] Dong Zheng-Qiong, Zhao Hang, Zhu Jin-Long, Shi Ya-Ting. Influence of incident illumination on optical scattering measurement of typical photoresist nanostructure. Acta Physica Sinica, 2020, 69(3): 030601. doi: 10.7498/aps.69.20191525 [6] Ren Xian-Li, Zhang Wei-Wei, Wu Xiao-Yong, Wu Lu, Wang Yue-Xia. Prediction of short range order in high-entropy alloys and its effect on the electronic, magnetic and mechanical properties. Acta Physica Sinica, 2020, 69(4): 046102. doi: 10.7498/aps.69.20191671 [7] . Effect of Swift Heavy Ions Irradiation on the Microstructure and Current-Carrying Capability in YBa2Cu3O7-δ High Temperature Superconductor Films. Acta Physica Sinica, 2020, (): . doi: 10.7498/aps.69.20191914 [8] . Control of spiral waves in excitable media under polarized electric fields. Acta Physica Sinica, 2020, (): . doi: 10.7498/aps.69.20191934 [9] . The influence of the secondary electron emission characteristic of dielectric materials on the microwave breakdown. Acta Physica Sinica, 2020, (): . doi: 10.7498/aps.69.20200026 [10] Wang Lin, Wei Lai, Wang Zheng-Xiong. Effect of out-of-plane driving flow on formation of plasmoids in current sheet system. Acta Physica Sinica, 2020, 69(5): 059401. doi: 10.7498/aps.69.20191612 [11] Liu Jia-He, Lu Jia-Zhe, Lei Jun-Jie, Gao Xun, Lin Jing-Quan. Effect of ambient gas pressure on characteristics of air plasma induced by nanosecond laser. Acta Physica Sinica, 2020, 69(5): 057401. doi: 10.7498/aps.69.20191540 [12] . Molecular dynamics study on structural characteristics of Lennard-Jones supercritical fluids. Acta Physica Sinica, 2020, (): . doi: 10.7498/aps.69.20191591 [13] Zhao Jian-Ning, Liu Dong-Huan, Wei Dong, Shang Xin-Chun. Thermal rectification mechanism of one-dimensional composite structure with interface thermal contact resistance. Acta Physica Sinica, 2020, 69(5): 056501. doi: 10.7498/aps.69.20191409 [14] Fang Wen-Yu, Zhang Peng-Cheng, Zhao Jun, Kang Wen-Bin. Electronic structure and photocatalytic properties of H, F modified two-dimensional GeTe. Acta Physica Sinica, 2020, 69(5): 056301. doi: 10.7498/aps.69.20191391 [15] Bai Jia-Hao, Guo Jian-Gang. Theoretical studies on bidirectional interfacial shear stress transfer of graphene/flexible substrate composite structure. Acta Physica Sinica, 2020, 69(5): 056201. doi: 10.7498/aps.69.20191730 [16] Huang Yong-Feng, Cao Huai-Xin, Wang Wen-Hua. Conjugate linear symmetry and its application to \begin{document}${\mathcal{P}}{\mathcal{T}}$\end{document}-symmetry quantum theory. Acta Physica Sinica, 2020, 69(3): 030301. doi: 10.7498/aps.69.20191173 [17] Wang Jing-Li, Chen Zi-Yu, Chen He-Ming. Design of polarization-insensitive 1 × 2 multimode interference demultiplexer based on Si3N4/SiNx/Si3N4 sandwiched structure. Acta Physica Sinica, 2020, 69(5): 054206. doi: 10.7498/aps.69.20191449
•  Citation:
##### Metrics
• Abstract views:  3150
• Cited By: 0
##### Publishing process
• Received Date:  12 October 2007
• Accepted Date:  09 April 2008
• Published Online:  20 August 2008

## Dynamical study on charge injection and transport in a metal/poly(p-phenylene vinylene)/metal structure

• 1. (1)山东大学物理学院，济南 250100; (2)山东大学物理学院，济南 250100；山东大学晶体材料国家重点实验室，济南 250100; (3)山东大学物理学院，济南 250100；山东大学晶体材料国家重点实验室，济南 250100；济宁学院物理系，曲阜 273155

Abstract: On the basis of the tight-binding Su-Schrieffer-Heeger model， the dynamical process of charge injection from metal electrode to a polymer in a metal/poly(p-phenylene vinylene) (PPV)/metal structure has been investigated by using a nonadiabatic dynamic approach. It is found that the injected charges form wave packets due to the strong electron-lattice interaction in PPV. The formation of the wave packet sensitively depends on the applied voltage， the electric field， and the contact between PPV and the metal electrode. In the absence of external fields， the charge can be injected into PPV chain and form wave packet under the critical bias voltage. With the increase of the electric field， the charge carriers can be ejected from PPV to the right metal electrode. But when the electric field becomes high enough， the wave packet can not be formed because it moves too fast in PPV. It is also shown that the number of ejected charges is not an integral multiple of the elementary charge e.

/