William Marsh Rice University

Zhiwei Peng

James Mitchell Tour

Jian Lin

Zheng Yan

Robert H Hauge

Carter Kittrell

Gedeng Ruan

Yilun Li

Changsheng Xiang

Ruquan Ye

Gabriel Ceriotti

Wilbur Carter Kittrell

Zhengzong Sun

In some embodiments, the present disclosure pertains to methods of producing a graphene material by exposing a polymer to a laser source. In some embodiments, the exposing results in formation of a graphene from the polymer. In some embodiments, the methods of the present disclosure also include a step of separating the formed graphene from the polymer to form an isolated graphene. In some embodiments, the methods of the present disclosure also include a step of incorporating the graphene material or the isolated graphene into an electronic device, such as an energy storage device. In some embodiments, the graphene is utilized as at least one of an electrode, current collector or additive in the electronic device. Additional embodiments of the present disclosure pertain to the graphene materials, isolated graphenes, and electronic devices that are formed by the methods of the present disclosure.

Laser induced graphene materials and their use in electronic devices

In some embodiments, the present disclosure pertains to methods of making graphene quantum dots from a carbon source (e.g., coal, coke, and combinations thereof) by exposing the carbon source to an oxidant. In some embodiments, the methods of the present disclosure further comprise a step of separating the formed graphene quantum dots from the oxidant. In some embodiments, the methods of the present disclosure further comprise a step of reducing the formed graphene quantum dots. In some embodiments, the methods of the present disclosure further comprise a step of enhancing a quantum yield of the graphene quantum dots. In further embodiments, the methods of the present disclosure also include a step of controlling the diameter of the formed graphene quantum dots by selecting the carbon source. In some embodiments, the formed graphene quantum dots comprise oxygen addends or amorphous carbon addends on their edges.

Methods of producing graphene quantum dots from coal and coke

In some embodiments, the present disclosure pertains to methods of forming a reinforcing material by: (1) depositing a first material onto a catalyst surface; and (2) forming a second material on the catalyst surface, where the second material is derived from and associated with the first material. In some embodiments, the first material includes, without limitation, carbon nanotubes, graphene nanoribbons, boron nitride nanotubes, chalcogenide nanotubes, carbon onions, and combinations thereof. In some embodiments, the formed second material includes, without limitation, graphene, hexagonal boron nitride, chalcogenides, and combinations thereof. In additional embodiments, the methods of the present disclosure also include a step of separating the formed reinforcing material from the catalyst surface, and transferring the separated reinforcing material onto a substrate without the use of polymers. Additional embodiments of the present disclosure pertain to reinforcing materials formed by the aforementioned methods.

Rebar hybrid materials and methods of making the same

In various embodiments, the present disclosure provides methods of forming graphene films by: (1) depositing a non-gaseous carbon source onto a catalyst surface; (2) exposing the non-gaseous carbon source to at least one gas with a flow rate; and (3) initiating the conversion of the non-gaseous carbon source to the graphene film, where the thickness of the graphene film is controllable by the gas flow rate. Additional embodiments of the present disclosure pertain to graphene films made in accordance with the methods of the present disclosure.

Growth of graphene films from non-gaseous carbon sources

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Houston, TX, United States of America

Zhiwei Peng