Northwestern University

Harvard College

Other

Yu Teng Liang

Mark C Hersam

Kanan P Puntambekar

Michael L Geier

Ethan B Secor

Pradyumna L Prabhumirashi

Kimberly A Gray

Baiju K Vijayan

Jennifer Ann Lewis

Bok Y Ahn

Wesley S Hackenberger

Kevin A Snook

Jun Luo

Raffi Sahul

Gordana Ostojic

In one aspect of the invention, a dye sensitized solar cell has a counter-electrode including carbon-titania nanocomposite thin films made by forming a carbon-based ink; forming a titania (TiO) solution; blade-coating a mechanical mixture of the carbon-based ink and the titania solution onto a substrate; and annealing the blade-coated substrate at a first temperature for a first period of time to obtain the carbon-based titania nanocomposite thin films. In certain embodiments, the carbon-based titania nanocomposite thin films may include solvent-exfoliated graphene titania (SEG-TiO) nanocomposite thin films, or single walled carbon nanotube titania (SWCNT-TiO) nanocomposite thin films.

Carbon-titania nanocomposite thin films and applications of the same

Methods of making non-covalently bonded carbon-titania nanocomposite thin films and applications of the same

A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.

Methods for preparation of concentrated graphene ink compositions and related composite materials

A rapid, scalable methodology for graphene dispersion with a polymer-organic solvent solution and subsequent solvent exchange, as can be utilized without centrifugation, to enhance graphene concentration.

Methods for preparation of concentrated graphene compositions and related composite materials

In one aspect, a method of making non-covalently bonded carbon-titania nanocomposite thin films includes: forming a carbon-based ink; forming a titania (TiO) solution; blade-coating a mechanical mixture of the carbon-based ink and the titania solution onto a substrate; and annealing the blade-coated substrate at a first temperature for a first period of time to obtain the carbon-based titania nanocomposite thin films. In certain embodiments, the carbon-based titania nanocomposite thin films may include solvent-exfoliated graphene titania (SEG-TiO) nanocomposite thin films, or single walled carbon nanotube titania (SWCNT-TiO) nanocomposite thin films.

A transducer is disclosed that includes a multiply resonant composite, the composite having a resonator bar of a piezoelectric single crystal configured in a dtransverse length-extensional resonance mode having a crystallographic orientation set such that the thickness axis is in the &#x3c;110&#x3e; family and resonance direction is the &#x3c;001&#x3e; family.

Transverse mode multi-resonant single crystal transducer

In one aspect, the present invention provides a method of forming a film of nanocomposites of carbon nanotubes (CNTs) and platinum (Pt) nanoparticles. In one embodiment, the method includes the steps of (a) providing a first solution that contains a plurality of CNTs, (b) providing a second solution that contains a plurality of Pt nanoparticles, (c) combining the first solution and the second solution to form a third solution, and (d) filtering the third solution through a nanoporous membrane using vacuum filtration to obtain a film of nanocomposites of CNTs and Pt nanoparticles.

Multifunctional nanocomposites of carbon nanotubes and nanoparticles formed via vacuum filtration

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Chicago, IL, United States of America

Yu Teng Liang