Inorganic Bulk Multijunction Materials and Processes for Preparing the Same
First Claim
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1. ) A method of making a nanocrystal composite material comprising the steps of:
- a) on a substrate, forming a layer of pre-composite material comprising an amorphous semiconductor matrix into which are incorporated semiconductor nanocrystals; and
b) subjecting the materials from a) to crystallizing conditions such that the amorphous semiconductor matrix material is crystallized and the semiconductor nanocrystals exhibit properties characteristic crystalline structure, to form a nanocrystal composite material.
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Abstract
A nanostructured composite material comprising semiconductor nanocrystals in a crystalline semiconductor matrix. Suitable nanocrystals include silicon, germanium, and silicon-germanium alloys, and lead salts such as PbS, PbSe, and PbTe. Suitable crystalline semiconductor matrix materials include Si and silicon-germanium alloys. A process for making the nanostructured composite materials. Devices comprising nanostructured composite materials.
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Citations
20 Claims
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1. ) A method of making a nanocrystal composite material comprising the steps of:
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a) on a substrate, forming a layer of pre-composite material comprising an amorphous semiconductor matrix into which are incorporated semiconductor nanocrystals; and b) subjecting the materials from a) to crystallizing conditions such that the amorphous semiconductor matrix material is crystallized and the semiconductor nanocrystals exhibit properties characteristic crystalline structure, to form a nanocrystal composite material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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- 12. ) A nanocrystal composite material comprising a plurality of semiconductor nanocrystals incorporated into a crystalline semiconductor matrix, wherein the majority of the nanocrystals have an ordered arrangement within the composite.
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