Sentences with phrase «printed graphene»

### The research team In addition to Jonathan Claussen and Loreen Stromberg, co-authors of the paper describing water - repelling, inkjet - printed graphene circuits are: Suprem Das, an assistant professor of industrial and manufacturing systems engineering at Kansas State University, formerly an Iowa State postdoctoral research associate in mechanical engineering and an associate of the U.S. Department of Energy's Ames Laboratory; Srilok Srinivasan, an Iowa State graduate student in mechanical engineering; Qing He, an Iowa State graduate student in agricultural and biosystems engineering; Nathaniel Garland, an Iowa State graduate student in mechanical engineering; Warren Straszheim, an Iowa State associate scientist with the Materials Analysis and Research Laboratory; Pulickel Ajayan, the Benjamin M. and Mary Greenwood Anderson Professor in Engineering, a professor of materials science and nanoengineering and a professor of chemistry at Rice University in Houston; and Ganesh Balasubramanian, an assistant professor of mechanical engineering and mechanics at Lehigh University in Bethlehem, Pennsylvania, formerly an assistant professor of mechanical engineering at Iowa State.

«We're micro-patterning the surface of the inkjet - printed graphene,» Claussen said.

The researchers wrote that further studies should be done to better understand how the nano - and microsurfaces of the printed graphene creates the water - repelling capabilities.

«We're taking low - cost, inkjet - printed graphene and tuning it with a laser to make functional materials,» said Jonathan Claussen, an Iowa State University assistant professor of mechanical engineering, an associate of the U.S. Department of Energy's Ames Laboratory and the corresponding author of the paper recently featured on the cover of the journal Nanoscale.

Claussen said the energy density of the laser processing can be adjusted to tune the degree of hydrophobicity and conductivity of the printed graphene circuits.

Stem Cell Differentiation: Electrical Differentiation of Mesenchymal Stem Cells into Schwann - Cell - Like Phenotypes Using Inkjet - Printed Graphene Circuits by Suprem R. Das, Metin Uz, Shaowei Ding, Matthew T. Lentner, John A. Hondred, Allison A. Cargill, Donald S. Sakaguchi, Surya Mallapragada, Jonathan C. Claussen.

The collaboration of Claussen's group of nanoengineers developing printed graphene technologies and Mallapragada's group of chemical engineers working on nerve regeneration began with some informal conversations on campus.

That led to experimental attempts to grow stem cells on printed graphene and then to electrical stimulation experiments.

«The breakthrough of this project is transforming the inkjet - printed graphene into a conductive material capable of being used in new applications,» Claussen said.

To make all that possible, the engineers developed computer - controlled laser technology that selectively irradiates inkjet - printed graphene oxide.

«Printed graphene treated with lasers to enable «paper electronics».»

Not exact matches

The W - TENG is 3 - D printed out of a graphene - PLA nanofiber (A), creating the bottom electrode of the technology (B).

After assembling the graphene - PLA fiber, the researchers exploited additive manufacturing — otherwise known as 3D printing — to pull the fiber into a 3D printer, and the W - TENG was born.

«Easy printing of biosensors made of graphene.»

Together with industry partners in the M — era.Net project BIOGRAPHY, which is funded by the German Federal Ministry of Education and Research (BMBF), they have developed a printing process which makes it possible to produce large numbers of graphene biosensors in a cost - effective roll - to - roll process.

While the printing equipment and graphene ink are provided by the partners involved, the scientists at the IBMT have taken care of the design of the printing process.

«For some applications, such as three - dimensional graphene printing, polyimide may not be an ideal substrate,» he said.

«Graphene - like materials printed with inkjet printer.»

Researchers team has developed inks made of graphene - like materials for inkjet printing.

An international research team has developed inks made of graphene - like materials for inkjet printing.

The slurry can also be used directly to 3D - print conductive graphene aerogels, an ultra-lightweight sponge - like material that can be used to remove oil spill in the sea.

By 3D printing the bacteria in precise patterns on the graphene oxide, they hope to carve lines of conductivity, like tiny wires, on an otherwise non-conductive surface.

Because of the excellent mechanical flexibility of graphene and the convenient preparation of the devices, this invention can be used for the mass production of the semitransparent perovskite solar cells with printing or roll to roll process.

Once printed, the graphene had to be treated to improve electrical conductivity and device performance.

And it worked: They found treating inkjet - printed, multi-layer graphene electric circuits and electrodes with a pulsed - laser process improves electrical conductivity without damaging paper, polymers or other fragile printing surfaces.

Recent projects that used inkjet printers to print multi-layer graphene circuits and electrodes had the engineers thinking about using it for flexible, wearable and low - cost electronics.

3D - printing bacterial ink onto sheets of graphene oxide could make precise patterns of highly - conductive material in a cheaper and easier way

Abstract: Nanotechnologists from Rice University and China's Tianjin University have used 3 - D laser printing to fabricate centimeter - sized objects of atomically thin graphene.

In the latest study, a team from Tour's lab and the labs of Rice's Jun Luo and Tianjin's Naiqin Zhao adapted a common 3 - D printing technique to make fingertip - size blocks of graphene foam.

A new 3D - printing ink could soon make it possible to build objects made of graphene for 60 percent of their volume and 75 percent of their weight.

3D Printed Aerogel with Graphene Oxide Based Nanocomposite for High Performance Lithium - ion Batteries

Adapting an existing in - house technology, a graphene oxide solution is poured onto a wax - printed paper membrane.

• Laser - printed anti-bacterial graphene oxide helps regenerate bone (Dec 2017) • Magnesium phosphate nanosheets help repair bone (Jun 2016) • Pore - forming hydrogels help bone tissue to grow (Sep 2015)

They've developed a nanotechnology that uses inkjet printers to print multi-layer graphene circuits and also uses lasers to treat and improve the surface structure and conductivity of those circuits.

But there was a problem: once graphene electronic circuits were printed, they had to be treated to improve electrical conductivity.

Led by Prof Coleman, in collaboration with the groups of Prof Georg Duesberg (AMBER) and Prof. Laurens Siebbeles (TU Delft, Netherlands), the team used standard printing techniques to combine graphene nanosheets as the electrodes with two other nanomaterials, tungsten diselenide and boron nitride as the channel and separator (two important parts of a transistor) to form an all - printed, all - nanosheet, working transistor.

The method described in the provisional patent application allows consumers to use the polymer, infused with graphene, together with conventional polymers in the same printing process, thereby fabricating functional electronic devices using 3D printing.

Abstract: New graphene printing technology can produce electronic circuits that are low - cost, flexible, highly conductive and water repellent.

But Claussen and his research group developed a rapid - pulse laser process that treats the graphene without damaging the printing surface - even if it's paper.

As far back as 2005 Gizmag reported on integrated circuits printed on paper or fabric, and more recently the hype has been around flexible graphene - based displays.

Graphene can also be processed from solution bringing inherent benefits of using more efficient printed and roll - to - roll manufacturing approaches.

In other words, the backplane layer can be produced using a low - temperature process in which the graphene is essentially «printed» onto the substrate.

They developed the Ecological Paper Printing and Ink Collector (EPPIC) system recycles and reuses printed - paper and its ink created by binding an organic renewable pigment to a graphene sheet with a large surface area made using nanotechnology.