Electrical Engineering and Computer Science

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Guo, L. Jay:


University researchers develop ultra-thin silver film to improve touch-screen technology

Prof. Jay Guo's research team succeeded in creating a tarnish-proof silver film whose properties allow for various uses such as high-tech screens. The teams paper, published last Monday, details the films versatility. [Full Story]
Related Topics:  Electronic devices   Flexible electronics   

Screens of the future could be made with transparent silver

Prof. Jay Guo just published new research in the journal Advanced Materials that suggests using a seven-nanometer-thick film made of silver could replace indium tin oxide as a transparent conductive surface for touch screens. Indium is growing more expensive as its use increases, so this could be a valuable alternative. [Full Story]
Related Topics:  Flexible electronics   

Transparent silver: Tarnish-proof films for flexible displays, touch screens, metamaterials

The thinnest, smoothest layer of silver that can survive air exposure has been laid down by Prof. Jay Guo, and it could change the way touchscreens and flat or flexible displays are made. It could also help improve computing power, affecting both the transfer of information within a silicon chip and the patterning of the chip itself through metamaterial superlenses. [Full Story]
Related Topics:  Displays   Flexible electronics   Solid-State Devices and Nanotechnology   

Solar power plant: $1.4M grant aims to cut costs

Nanotechnology could reduce the cost of the most expensive part of a solar thermal power plant by roughly 75 percent. The Department of Energy gave a team of researchers at the University of Illinois, the University of Michigan and the National Renewable Energy Laboratory $1.4 million to develop new solar concentrators. [Full Story]
Related Topics:  Energy Science and Engineering   Power and Energy   Solar Cell Technology   

World's fastest silicon-based flexible transistor

Zhenqiang (Jack) Ma, ECE alumnus and Lynn H. Matthias Professor in Engineering and Vilas Distinguished Achievement Professor in ECE at the University of Wisconsin, reportedly fabricated the worlds fastest silicon-based flexible transistor. He collaborated on this research with Prof. Jay Guo and Tao Ling (PhD EE 2011), now at TE Connectivity. Michigan's role was to use the nanoimprint technique to pattern the transistor channel region. The research was published in Nature Scientific Reports. See also the University of Washington press release. [Full Story]
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What good is Nanotechnology? NBC Learn brings us Jay Guo to find out

How could something only billionths of a meter thick defend against water, dirt, wear, and even bacteria? Working at the nanoscale, scientists and engineers, like Jay Guo are creating protective nanoscale coatings and layers. These surfaces have applications in energy, electronics, medicine, and could even be used to make a plane invisible. [Full Story]
Related Topics:  Solid-State Devices and Nanotechnology   

ECE Students Earn CoE Distinguished Leadership Awards

Three ECE students have been awarded the CoE Distinguished Leadership Award. This award recognizes students who have demonstrated outstanding leadership and service to the College, University, and community. Cheng Zhang and Elizabeth Dreyer are both Ph.D. students in electrical engineering, and Lauren Bilbo is an undergraduate senior majoring in electrical engineering. All three are actively involved in student organizations and leadership positions. [Full Story]
Related Topics:  Graduate Students   Rand, Stephen   Undergraduate Students   

Cheng Zhang Awarded Rackham Predoctoral Fellowship for Research on Nanophotonic Materials and Devices

Cheng Zhang, a 5th year Ph.D. student in Electrical Engineering, has been awarded a Rackham Predoctoral Fellowship to support his doctoral research in new optical materials and device concepts for future optoelectronic devices. Key to one facet of Cheng's research is his investigation of a new kind of silver film, aluminum-doped silver (Al-doped Ag), for device fabrication. In addition, Cheng is investigating nano-size metamaterials for use in optical spectrum filtering and polarization/direction control. [Full Story]
Related Topics:  Graduate Students   Grbic, Anthony   Norris, Theodore B.   Optics and Photonics   Optoelectronics   Solid-State Devices and Nanotechnology   

Four ECE Faculty Selected for 2014-15 College of Engineering Awards

Four ECE faculty are recipients of CoE Awards: Prof. Jay Guo for Research Excellence; Prof. Stephane Lafortune for Service Excellence, Prof. Mingyan Liu for Education Excellence; and Prof. Wei Lu for Innovation Excellence. [Full Story]
Related Topics:  Lafortune, Stephane   Liu, Mingyan   Lu, Wei   

New Approaches to Solar Cell Technology Featured in Sustainability Hour (Profs. Rand and Guo)

Professors Stephen Rand and Jay Guo delivered presentations for the November Meeting of the North Campus Sustainability Hour on the topic of solar energy and its future. The professors addressed two very different problems the industry faces with current technology. [Full Story]
Related Topics:  Energy Science and Engineering   Optics and Photonics   Optoelectronics   Rand, Stephen   Solar Cell Technology   Solid-State Devices and Nanotechnology   Sustainability   

Kyu-Tae Lee Wins Best Poster Award for Colorful Solar Cells

ECE graduate student Kyu-Tae Lee received a Best Poster Award at the 40th Annual Michigan AVS Symposium. His poster described the creation of solar cell device structures that enable attractive multi-colored solar cells that can be used on windows and other interior and exterior surfaces. [Full Story]
Related Topics:  Graduate Students   Solar Cell Technology   Solid-State Devices and Nanotechnology   

Shrinking the size of optical systems, exponentially

ECE researchers have developed a way to exponentially shrink the size of a system typically needed to control the polarization of light, while maintaining the high level of performance needed for numerous optical applications such as color displays, microscopy and photography. [Full Story]
Related Topics:  Applied Electromagnetics and RF Circuits   Graduate Students   Grbic, Anthony   LNF   Metamaterials   Solid-State Devices and Nanotechnology   

Tailor-made surface swaps light polarization

A new approach to manipulating light using two-dimensional metamaterials called metasurfaces offers a compact alternative to traditional methods. The researchers believe the basic geometry of cascading patterned metallic sheets can provide the basis for cleverly designing and fabricating a broad range of optical devices, including symmetric circular polarizers, polarization rotators, and asymmetric linear polarizers. [Full Story]
Related Topics:  Applied Electromagnetics and RF Circuits   Grbic, Anthony   Metamaterials   

Semitransparent PV cells go designer

Prof. Jay Guo and his team have engineered what are believed to be the first semitransparent, colored photovoltaic cells. Broadening the use of solar power while maintaining aesthetic appeal for all kinds of environments, this technology could become energy-harvesting billboards on the sides of buildings, solar window shades in our homes and even stained glass, Guo said. [Full Story]
Related Topics:  Solar Cell Technology   

Small, Simple Terahertz Detector Converts The Pulses To Sound

"Terahertz waves, which are non-ionizing and can penetrate fabrics and body tissue, could be used to reveal hidden weapons and spot skin cancer and tooth decay. But they are notoriously difficult to detect. Engineers at the University of Michigan have invented a simple new way to sense them." [Full Story]
Related Topics:  Norris, Theodore B.   Optics and Photonics   Solid-State Devices and Nanotechnology   

Terahertz Detectors Go Handheld

"Today terahertz detectors are commonplace in airports, where you enter a glass-walled chamber while the detector swings around you, snooping under your clothes for weapons. Now researchers have found a way to downsize the detector portion of those machines into chip-sized devices." [Full Story]
Related Topics:  Norris, Theodore B.   Optics and Photonics   Solid-State Devices and Nanotechnology   

T-ray converts light to sound for weapons detection, medical imaging

A research team led by Profs. Jay Guo and Ted Norris created a device that turns terahertz waves (T-rays) into ultrasound, which can then be detected by a highly sensitive acoustic sensor. Applications for T-rays include weapons detection, medical imaging, and astronomy. [Full Story]
Related Topics:  CPHOM   Medical Imaging   Norris, Theodore B.   Optics and Photonics   Optoelectronics   Security (national and personal safety)   Solid-State Devices and Nanotechnology   

Guo: Science World - Beautiful Energy

[Full Story]
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Stained Glass Windows that Double as Solar Panels

[Full Story]
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Transparent color solar cells fuse energy, beauty

Colorful, see-through solar cells could one day be used to make stained-glass windows, decorations and even shades that turn the sun's energy into electricity. The technology is being developed by Prof. Jay Guo's group. [Full Story]
Related Topics:  Solar Cell Technology   Solid-State Devices and Nanotechnology   

Nanotechnology and Progress: A Quantum Entanglement

In this brief overview of nanotechnology research in ECE, well look at how research at the nanoscale is impacting lighting, medicine, displays, electronics, information security and the far-out world of quantum computing. Our faculty are also looking into how to manufacture these devices. [Full Story]
Related Topics:  Bhattacharya, Pallab   Electronic devices   Energy Science and Engineering   Forrest, Stephen   Graphene   Health   Ku, Pei-Cheng (P.C.)   LEDs   Lasers   Lu, Wei   MEMS and Microsystems   Memristor   Metamaterials   Norris, Theodore B.   Optics and Photonics   Peterson, Becky (R. L.)   Phillips, Jamie D.   Quantum Science and Technology   Solar Cell Technology   Steel, Duncan   Yoon, Euisik   Zhong, Zhaohui   

Cheng Zhang Awarded SPIE Optics and Photonics Education Scholarship

Cheng Zheng, a Ph.D. candidate in electrical engineering, has been awarded an Optics and Photonics Education Scholarship by the International Society for Optics and Photonics (SPIE) to advance his research in the areas of nanophotonics and nanofabrication. His work could impact next-generation displays as well as biomedical imaging. [Full Story]
Related Topics:  Graduate Students   Optics and Photonics   

Next-gen e-readers: Improved peacock technology could lock in color for high-res displays

Prof. Jay Guo and his group have found a way to lock in so-called structural color, which is made with texture rather than chemicals. This could lead to advanced color e-books and electronic paper, as well as other color reflective screens that don't need their own light to be readable. [Full Story]
Related Topics:  Biomimicry   Displays   Electronic devices   LNF   Solid-State Devices and Nanotechnology   

MCubing by ECE Faculty to find answers - fast

Ten different ECE faculty are teaming up with colleagues across the University - from Epidemiology to Political Science, Ophthalmology to Psychiatry, Neurosurgergy to Astronomy - to pursue new initiatives deemed to have major societal impact in the U-M MCubed program. [Full Story]
Related Topics:  Big Data   Brain   Cancer   Energy Science and Engineering   Flynn, Michael   Gianchandani, Yogesh   Graphene   Grbic, Anthony   Health   Hero, Alfred   Ku, Pei-Cheng (P.C.)   LEDs   Medical diagnosis   Plasma Science and Engineering   Solid-State Devices and Nanotechnology   Space technology   

Super-fine sound beam could one day be an invisible scalpel

A carbon-nanotube-coated lens that converts light to sound can focus high-pressure sound waves to finer points than ever before. This new therapeutic ultrasound approach could lead to an invisible knife for noninvasive surgery. Working on the project is an interdisciplinary team lead by Prof. Jay Guo, with Prof. Euisik Yoon, Prof. John Hart (ME), and Prof. Zhen Xu (BioMed). [Full Story]
Related Topics:  Health   Solid-State Devices and Nanotechnology   Yoon, Euisik   

New coating makes objects invisible

Prof. Jay Guo and his research group developed a carbon nanotube coating that acts as a "magic black cloth." It conceals an object's three-dimensional geometry and makes it look like a flat black sheet. The coating could inspire a new type of camouflaging paint for stealth aircraft, and suggests interesting interpretations of deep space. [Full Story]
Related Topics:  Security (national and personal safety)   Solid-State Devices and Nanotechnology   

Colored solar cells could make display screens more efficient

A new kind of screen pixel developed by Prof. Jay Guo doubles as a solar cell and could boost the energy efficiency of cell phones and e-readers. The technology could also potentially be used in larger displays to make energy-harvesting billboards or decorative solar panels. [Full Story]
Related Topics:  Displays   Electronic devices   Energy Science and Engineering   Solar Cell Technology   Solid-State Devices and Nanotechnology   

2011 EECS Promotions

Congratulations Robert Dick, Tony Grbic, Jay Guo, Wei Lu, Scott Mahlke, Dragomir Radev, and Martin Strauss on your recent promotions! [Full Story]
Related Topics:  Dick, Robert   Grbic, Anthony   Lu, Wei   Mahlke, Scott   Radev, Dragomir   Strauss, Martin   

Smallest U-M logo demonstrates advanced display technology

Prof. Jay Guo has developed a new type of color filter that, through nanostructuring, takes the next step toward more efficient, smaller and higher-definition display screens. [Full Story]
Related Topics:  Displays   Solid-State Devices and Nanotechnology   

Continuous Nanoimprinting for Displays and Solar Cells

Prof. Guo's rolling nanoimprint lithography stamp could be used to print components for displays and solar cells. He is working with companies interested in the process.[ACS Nano Article] [Technology Review Article]
Related Topics:  Displays   Solar Cell Technology   Solid-State Devices and Nanotechnology   

2009 EECS and CoE Faculty Awards

EECS Outstanding Achievement Awards: Jason Flinn, Jay Guo, Sandeep Pradhan
CoE Awards: Please click on the link - Congratulations to all!
Related Topics:  Austin, Todd   Blaauw, David   Chen, Peter M.   Flinn, Jason   Gilchrist, Brian E.   Mahlke, Scott   Maksimchuk, Anatoly   Mudge, Trevor   Papaefthymiou, Marios   Pradhan, S. Sandeep   Sylvester, Dennis   

Innovation Nanoimprint Lithography

Prof. Jay Guo's work in nanoimprint lithography and roll-to-roll imprinting is expected to lead to more efficient LCD displays and improved solar panels. [Full Story]
Related Topics:  Solid-State Devices and Nanotechnology   Technology Transfer