HYDROGENATED AMORPHOUS-SILICON FILMS BY 60 HZ GLOW-DISCHARGE DEPOSITION

被引:3
|
作者
FRAGALLI, JF [1 ]
MISOGUTI, L [1 ]
NAKAGAITO, AN [1 ]
GRIVICKAS, V [1 ]
BAGNATO, VS [1 ]
BRANZ, HM [1 ]
机构
[1] NATL RENEWABLE ENERGY LAB, GOLDEN, CO 80401 USA
关键词
D O I
10.1063/1.355228
中图分类号
O59 [应用物理学];
学科分类号
摘要
We deposit hydrogenated amorphous silicon (a-Si:H) in a low-frequency (60 Hz) glow-discharge deposition system. The films show electronic and optical properties nearly equivalent to those of films produced by the conventional radio-frequency (13.56-MHz) glow-discharge technique. The optimal substrate temperature for the low-frequency glow-discharge technique is 150-170-degrees-C, about 100-degrees-C lower than at radio frequency. We report measurements of film properties including dark conductivity, photoconductivity, ambipolar diffusion length, infrared absorption, optical band gap, and deep defect density.
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页码:668 / 671
页数:4
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