Stc.unm

Unm Rainforest Innovations

Other

Washington State University

Sang M Han

Sang Eon Han

Darin Leonhardt

Swapnadip Ghosh

Cornelius F Ivory

Qiming Li

Brittany R Hoard

David M Wilt

Youn-Jin Oh

Talid R Sinno

Nathan Gapp

Omar Abudayyeh

Steven Roy Julien Brueck

Gabriel P Lopez

Mahmoud Reda Taha

Christos G Christodoulou

Dimiter N Petsev

Mani Hossein-Zadeh

Ganesh Balakrishnan

Thomas Dewers

John Stormont

Olga Lavrova

Seok Jun Han

Divya Prakash

Josephine Sheng

Nathan Madrid

Nicholas Brechtel

Jarred Caldwell

Laura L Pyrak-Nolte

Shreya Vemuganti

A flexible, non-flat solar cell comprises a flexible substrate. A pn junction is on or in the flexible substrate. The solar cell has been flexed so as to have a non-flat geometry that results in an increased surface area of the flexed solar cell with respect to the surface area of a flat solar cell that is the same as the flexed solar cell except that the flat solar cell has a flat surface geometry that has the same projected area on a lateral plane as does the flexed solar cell.

Flexibility-assisted heat removal in thin crystalline silicon solar cells

A solar cell structure is disclosed that includes a first metal layer, formed over predefined portions of a sun-exposed major surface of a semiconductor structure, that form electrical gridlines of the solar cell; a network of carbon nanotubes formed over the first metal layer; and a second metal layer formed onto the network of carbon nanotubes, wherein the second metal layer infiltrates the network of carbon nanotubes to connect with the first metal layer to form a first metal matrix composite comprising a metal matrix and a carbon nanotube reinforcement, wherein the second metal layer is an electrically conductive layer in which the carbon nanotube reinforcement is embedded in and bonded to the metal matrix, and the first metal matrix composite provides enhanced mechanical support as well as enhanced or equal electrical conductivity for the electrical contacts against applied mechanical stressors to the electrical contacts.

Metal-carbon-nanotube metal matrix composites for metal contacts on photovoltaic cells

A sensor having one or more stopbands and method of using the same for detecting damage, cracking and debonding in a cement structure comprising a cementitious material and a plurality of periodic structures located in the cementitious material.

Cementitious sensors with acoustic stopbands using carbon nanotubes

A method and resulting device that mimics the light scattering properties of a random structural pattern using microspheres.

Method and system to mimic a random structural pattern

An apparatus for determining a position of an object inside a body includes a first, detector configured to receive a signal from the object inside the body. The apparatus also includes a camera configured to capture an image or video of outside of a portion of the body, The object is positioned inside the portion of the body. A computing system is configured to receive the signal from the first detector and the image or video from the camera and to determine the position of the object Inside the body. A screen, is configured to display die position of the object inside the body.

Feeding tube visualization

A method for forming electrical contacts for a solar cell and a solar cell formed using the method is provided. The method includes forming a first metal layer over predefined portions of a surface of the solar cell; depositing a carbon nanotube layer over the first metal layer; and forming a second metal layer over the carbon nanotube layer, wherein the first metal layer, the carbon nanotube layer, and the second metal layer form a first metal matrix composite layer that provides electrical conductivity and mechanical support for the metal contacts.

Metal matrix composites for contacts on solar cells

The present prevention provides a surface coating for cooling a surface by light scattering comprising a plurality of successive layers, each of the layers may be comprised of a plurality of spheres arranged to form a structure comprised of packed spheres. Each layer may have a different arrangement of packed spheres to create to a different light scattering property in each of the layers. The coating of the structures may also be formed by randomly packed spheres and the spheres may have a uniform diameter.

Microsphere-based coatings for radioactive cooling under direct sunlight

Provided is a method for fabricating a nanopatterned surface. The method includes forming a mask on a substrate, patterning the substrate to include a plurality of symmetry-breaking surface corrugations, and removing the mask. The mask includes a pattern defined by mask material portions that cover first surface portions of the substrate and a plurality of mask space portions that expose second surface portions of the substrate, wherein the plurality of mask space portions are arranged in a lattice arrangement having a row and column, and the row is not oriented parallel to a [110] direction of the substrate. The patterning the substrate includes anisotropically removing portions of the substrate exposed by the plurality of spaces.

Methods to introduce sub-micrometer, symmetry-breaking surface corrugation to silicon substrates to increase light trapping

Provided is a sensor platform that includes a substrate, a plurality of nanochannels disposed on the substrate, and a plurality of electrodes, a waveguide disposed on the substrate and an analysis chamber and a reference chamber disposed on the substrate. Each electrode extends substantially across a width of the plurality of nanochannels. At least one analysis optical resonator is disposed in the analysis chamber and is optically coupled to at least a portion of the waveguide. The at least one analysis optical resonator is in fluid communication with at least one of the plurality of nanochannels. At least one reference optical resonator is disposed in the reference chamber and is optically coupled to at least a portion of the waveguide. The at least one reference optical resonator is in fluid communication with at least one other of the plurality of nanochannels.

Biomarker sensing based on nanofluidic amplification and resonant optical detection

Provided is an energy harvesting device, including a solar cell including at least one active layer for receiving a first range of electromagnetic frequencies, at least one layer including antenna structures for receiving RF energy and formed on a first side of the solar cell, and at least one semiconductor for absorbing IR energy, and formed on a second side of the solar cell opposite the first side.

Multi-source optimal reconfigurable energy harvester

Provided is a method for forming a two-dimensional array of semiconductor quantum confined structures. The method includes providing a layer that has first atoms and second atoms, the first atoms having a different size than the second atoms; providing an indenter template that includes at least one indenter structure extending from a surface of the indenter template; contacting the layer and the at least one indenter structure together with a pressure sufficient to generate an elastic deformation in the layer but without generating plastic deformation of the layer; annealing the layer. The contacting of the layer and the at least one indenter structure includes forming at least one quantum confined structure in the layer.

Large-scale patterning of germanium quantum dots by stress transfer

Provided is a method for forming a two-dimensional array of semiconductor quantum confined structures. The method includes providing a layer that has first atoms and second atoms, the first atoms having a different size than the second atoms; providing an indenter template that includes at least one indenter structure extending from a surface of the indenter template; contacting the layer and the at least one indenter structure together with a pressure sufficient to generate an elastic deformation in the layer but without generating plastic deformation of the layer; annealing the layer; and forming at least one quantum confined structure in a region of the layer in a region of the layer not pressed by the at least one indenter structure.

Lattice-mismatched semiconductor devices having a substrate, a first epitaxial film disposed thereon, a dielectric material, and a second epitaxial film. The first epitaxial film contains etch pits that extend from the outer surface of the first epitaxial film into the first epitaxial film. The dielectric material is disposed within the etch pits and blocks at least some of the threading dislocations in the first epitaxial film from propagating into the second epitaxial film. Semiconductor devices containing a silicon (Si) substrate or a silicon germanium (SiGe) substrate, a germanium (Ge) film disposed over the substrate, and a dielectric material. Methods for producing such semiconductor devices.

Growing community of inventors

Albuquerque, NM, United States of America

Sang M Han