摘要
We analyzed the structure of buried interface of BBDMS-PPV/ITO system using a high resolution ADXPS technique. A transitional layer structure, whose chemical composition, state and valence band changed gradually from BBDMS-PPV surface of film to substrate ITO, was observed. It was found that O2- ion from ITO diffused into polymer film, interacted with back-bone carbon and formed the carbonyl bonding which could possibly constructed the channel of the carrier on the heterointerface. Indium of ITO also diffused into BBDMS-PPV layer and In(OH)3 was formed during diffusion. The diffusion and reaction between PPV/ITO interface may affect the performance of PLED significantly.
源语言 | 英语 |
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页(从-至) | 838 |
页数 | 1 |
期刊 | Gaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities |
卷 | 22 |
期 | 5 |
出版状态 | 已出版 - 5月 2001 |
已对外发布 | 是 |