Method and Structure for Fabricating Solar Cells
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Abstract
A photovoltaic cell device, e.g., solar cell, solar panel, and method of manufacture. The device has an optically transparent substrate comprises a first surface and a second surface. A first thickness of material (e.g., semiconductor material, single crystal material) having a first surface region and a second surface region is included. In a preferred embodiment, the surface region is overlying the first surface of the optically transparent substrate. The device has an optical coupling material provided between the first surface region of the thickness of material and the first surface of the optically transparent material. A second thickness of semiconductor material is overlying the second surface region to form a resulting thickness of semiconductor material.
27 Citations
57 Claims
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1-41. -41. (canceled)
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42. A method for fabricating a solar cell, the method comprising:
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providing a support member having a surface region, a bottom portion, and a determined thickness between the surface region and the bottom portion; forming a releasable material overlying the surface region of the support member; transferring a first thickness of semiconductor material from a donor substrate overlying the releasable material to form the first thickness of transferred material overlying the releasable material, the releasable material overlying the support member; separating the first thickness of material from the releasable material to detach the total thickness of material from the releasable material; and forming a photovoltaic material in one or more portions in the first thickness of material. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49)
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50. A solar cell comprising:
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a handle substrate having a surface region; an electrically conducting interface material overlying the surface region; and a photovoltaic region comprising a layer transferred film having a cleaved surface region bonded to the interface material. - View Dependent Claims (51, 52, 53, 54, 55, 56, 57)
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Specification