| 摘要 |
A thin film material structure for solar cell devices. The thin film material structure includes a thickness of material comprises a plurality of single crystal structures. In a specific embodiment, each of the single crystal structure is configured in a column like shape. The column like shape has a dimension of about 0.01 micron to about 10 microns characterizes a first end and a second end. An optical absorption coefficient of greater than 104 cm−1 for light in a wavelength range comprising about 400 cm−1 to about 700 cm−1 characterizes the thickness of material.
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