利用表面光电压谱研究MEH-PPV定域跃迁

利用表面光电压谱研究MEH-PPV定域跃迁

康博南¹，黄宗浩²，谢腾峰³，王德军³，常玉春¹，刘杨¹，宋俊峰¹，张邦恒⁴，杜国同¹

1. 吉林大学电子科学与工程学院, 集成光电子学国家重点联合实验室，长春 130023； 2. 东北师范大学化学系，长春 130024； 3. 吉林大学化学科学学院，长春 130023；4. 美国西北大学材料研究中心，伊利诺斯 60208

收稿日期:2002-01-29 修回日期:1900-01-01 出版日期:2002-04-26 发布日期:2002-04-26
通讯作者: 康博南

Investigation of Localized Transition of MEH-PPV by SPS

KANG Bo-nan¹, HUANG Zong-hao², XIE Teng-feng³, WANG De-jun³, CHANG Yu-chun¹,LIU Yang¹, SONG Jun-feng¹, CHANG R P H⁴, DU Guo-tong¹

1. College of Electronic Science and Engineering, State Key Laborato ry on Integrated Optoelectronies,Jilin University, Changchun 130023, China；2. Department of Chemistry, Northeast Normal University, Changchun 130024, China；3. College of Chemistry, Jilin University, Changchun 130023, China；4. Materials Research Center, Northwestern University, Evanston, IL 60208-3108, USA

Received:2002-01-29 Revised:1900-01-01 Online:2002-04-26 Published:2002-04-26
Contact: KANG Bo-nan

摘要/Abstract

摘要： 利用外场调制的表面光电压谱研究聚合物材料MEH-PPV的定域跃迁（350 ~420 nm）与非定域跃迁（420~600 nm）. 实验证明, 定域跃迁是由于电子从价带向导带中定域态能级跃迁的结果.

关键词: MEH-PPV, 表面光电压, 定域态

Abstract: The surface photovoltage spectra of thin films of poly［2-methoxy-5-(2-ethyl-hexyloxy)-1, 4-phenylene vinylene］ were determined in order to determine their localized transition（350~420 nm）and delocalized transition（420~600 nm）. The experiments demonstrated that the localized transition would be attributed to the electronic transition from the valence band to a local state in the conduction band.

Key words: MEH-PPV, surface photovoltage, local state

中图分类号:

O644.1

康博南，黄宗浩，谢腾峰，王德军，常玉春，刘杨，宋俊峰，张邦恒，杜国同. 利用表面光电压谱研究MEH-PPV定域跃迁[J]. J4, 2002, 40(02): 190-193.

KANG Bo-nan, HUANG Zong-hao, XIE Teng-feng, WANG De-jun, CHANG Yu-chun,LIU Yang, SONG Jun-feng, CHANG R P H, DU Guo-tong. Investigation of Localized Transition of MEH-PPV by SPS[J]. J4, 2002, 40(02): 190-193.

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