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丑杜莎

新虫 (初入文坛)

[求助] 瞬态光照射下i-v曲线测试p-n异质结,onset电位相较n型变更负?

如题。在间歇可见光照射下,测试co3o4/tio2(p/n异质结),半导体的伏安特性曲线。发现出现阳极电流的电位(onset),相较单纯tio2电位变负。
我的理解i-v测试的onset电位为费米能级电位,这能否说明复合后样品费米能级负移?但是文献中都说p-n复合会负移。
不知道这种情况如何解释,有文献最好,毕业论文急需,万分感谢!

@qsywp 发自小木虫Android客户端
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丑杜莎

新虫 (初入文坛)

p-n复合后会正移,手误。

发自小木虫Android客户端
2楼2019-03-19 16:11:51
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