Arrays of ultrathin silicon solar microcells

Title: Arrays of ultrathin silicon solar microcells

Provided are solar cells, photovoltaics and related methods for making solar cells, wherein the solar cell is made of ultrathin solar grade or low quality silicon. In an aspect, the invention is a method of making a solar cell by providing a solar cell substrate having a receiving surface and assembling a printable semiconductor element on the receiving surface of the substrate via contact printing. The semiconductor element has a thickness that is less than or equal to 100 .mu.m and, for example, is made from low grade Si.

Inventors:: Rogers, John A.; Rockett, Angus A.; Nuzzo, Ralph; Yoon, Jongseung; Baca, Alfred

Issue Date:: 2015-08-11

OSTI Identifier:: 1209338

Assignee:: The Board of Trustees of the University of Illinois (Urbana, IL) CHO

Patent Number(s):: 9,105,782

Application Number:: 14/173,525

Contract Number:: FG02-07ER46453

Resource Relation:: Patent File Date: 2014 Feb 05

Research Org:: The Board of Trustees of the University of Illinois, Urbana, IL (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 14 SOLAR ENERGY

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Arrays of ultrathin silicon solar microcells

Patent Rogers, John A ; Rockett, Angus A ; Nuzzo, Ralph ; Yoon, Jongseung ; Baca, Alfred

Provided are solar cells, photovoltaics and related methods for making solar cells, wherein the solar cell is made of ultrathin solar grade or low quality silicon. In an aspect, the invention is a method of making a solar cell by providing a solar cell substrate having a receiving surface and assembling a printable semiconductor element on the receiving surface of the substrate via contact printing. The semiconductor element has a thickness that is less than or equal to 100 .mu.m and, for example, is made from low grade Si.
Full Text Available March 2014
Ultrathin Dielectric Oxide Films On Silicon

Patent Klemperer, Walter G. ; Lee, Jason ; Mikalsen, Erik A. ; Payne, David A.

A method of making a semiconductor structure includes contacting a surface of a semiconductor with a liquid including Zr.sub.4 (OPr.sup.n).sub.16 to form a modified surface, activating the modified surface, and repeating the contacting and activating to form a layer of zirconia on the semiconductor surface.
Full Text Available September 2004
Laser desorption ionization and peptide sequencing on laser induced silicon microcolumn arrays

Patent Vertes, Akos ; Chen, Yong

The present invention provides a method of producing a laser-patterned silicon surface, especially silicon wafers for use in laser desorption ionization (LDI-MS) (including MALDI-MS and SELDI-MS), devices containing the same, and methods of testing samples employing the same. The surface is prepared by subjecting a silicon substrate to multiple laser shots from a high-power picosecond or femtosecond laser while in a processing environment, e.g., underwater, and generates a remarkable homogenous microcolumn array capable of providing an improved substrate for LDI-MS.
Full Text Available December 2011
Nanophotonic production, modulation and switching of ions by silicon microcolumn arrays

Patent Vertes, Akos ; Walker, Bennett N

The production and use of silicon microcolumn arrays that harvest light from a laser pulse to produce ions are described. The systems of the present invention seem to behave like a quasi-periodic antenna array with ion yields that show profound dependence on the plane of laser light polarization and the angle of incidence. By providing photonic ion sources, this enables enhanced control of ion production on a micro/nano scale and direct integration with miniaturized analytical devices.
Full Text Available February 2012
Nanophotonic production, modulation and switching of ions by silicon microcolumn arrays

Patent Vertes, Akos ; Walker, Bennett N.

The production and use of silicon microcolumn arrays that harvest light from a laser pulse to produce ions are described. The systems of the present invention seem to behave like a quasi-periodic antenna array with ion yields that show profound dependence on the plane of laser light polarization and the angle of incidence. By providing photonic ion sources, this enables enhanced control of ion production on a micro/nano scale and direct integration with miniaturized analytical devices.
Full Text Available September 2013