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Composite nanorod-based structures for generating electricity

A technology of nanowires and nanowire arrays, applied in the field of nanorod-based composite structures for power generation, which can solve problems such as limited effectiveness

Inactive Publication Date: 2011-02-09
CLEAN CELL INT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Considerable effort has been devoted to the development of materials and structures for use as solar cells with limited success

Method used

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  • Composite nanorod-based structures for generating electricity
  • Composite nanorod-based structures for generating electricity
  • Composite nanorod-based structures for generating electricity

Examples

Experimental program
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Embodiment Construction

[0028] The disclosed embodiments relate to structures and methods of making these structures using nanorod-based composites to generate photovoltaic energy. "Nanorod" or equivalently "nanowire" as used in this specification and claims refers to an inorganic structure having sub-micron cross-sectional dimensions and an aspect ratio greater than 5. For example, a cylindrical silicon-based rod with a diameter of 300 nm and a length of 10 microns is a nanorod / nanowire.

[0029] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. In other instances, methods, procedures, and elements that are well known by those skilled in the art have not been described in detail so as not to obscure aspects of the invention.

[0030] It will be understood that when a layer is re...

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PUM

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Abstract

Composite nanorod-based structures for generating electricity are disclosed. One embodiment is an article of manufacture that includes a first layer with an array of nano wires and a dielectric material. The nanowires include: a core semiconducting region with a first type of doping; a shell semiconducting region with a second type of doping; and a junction region between the core semiconducting region and the shell semiconducting region. The first type of doping is different from the second type of doping. The shell region length is less than the core region length. The shell semiconducting region surrounds a portion of the core semiconducting region over a length of the core semiconducting region corresponding to the junction region length. A second layer comprising a conducting material contacts the top surface of the first layer. A third layer comprising a conducting material contacts the bottom surface of the first layer.

Description

technical field [0001] The disclosed embodiments relate generally to structures for photovoltaic energy production. More specifically, the disclosed embodiments relate to structures that use nanorod-based composites to generate photovoltaic energy. Background technique [0002] Considerable effort has been devoted to the development of materials and structures for use as solar cells with limited success. Thus, there is also a need to develop new structures for generating photovoltaic energy that are efficient, low-cost, stable and non-toxic. Contents of the invention [0003] The present invention solves the problems described above by providing nanorod-based composite structures for generating photovoltaic energy and methods of making these structures. [0004] One aspect of the invention pertains to an article comprising a first layer having a top surface and a bottom surface. The first layer includes a nanowire array and a dielectric material. The nanowires in the n...

Claims

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Application Information

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IPC IPC(8): H01L31/042
CPCH01L21/02603H01L21/02645H01L29/0665H01L21/02653H01L31/0725H01L31/0352Y02E10/544H01L31/0687H01L21/02664H01L29/068H01L29/0676H01L29/0673Y02E10/546Y02P70/50
Inventor 齐鹏飞
Owner CLEAN CELL INT