有机半导体器件中的磁场效应研究进展

Progress in the magnetic field effects in organic semiconductor devices

有机半导体器件中的磁场效应,是指在不包含任何磁性功能层的有机半导体器件中,其电流或发光在外加磁场作用下发生改变的现象.由于有机半导体器件中的磁场效应具有高的灵敏度,且其绝对值即使在室温下也较大,因此有机半导体中的磁场效应具有重要的科学意义和实用价值,从而引起了科研人员的广泛兴趣,并取得了较大的研究进展.本文较详细地介绍了该领域的研究历史、现状和已经取得的主要研究结果,重点综述了产生该奇特磁场效应可能的物理机制,并对其未来的发展方向进行了展望.

The magnetic field effects（MFEs） in organic semiconductor devices are used to describe the changes of the current and electroluminescence when none magnetic organic semiconductor devices are submitted to an external magnetic field.The MFEs in organic semiconductor devices have attracted a broad interest in the past few years because of their scientific importance and wide application.Up to date,large progresses in this field have been made.In this article,we intend to summarize the history,advances and the major results made in the field of organic MFEs,specifically the underlying mechanism for the intriguing MFEs.In the end,an outlook of the organic MFEs is made.