graphene instead of silicon has been used for a CMOS integrated circuit, resulting in a high-resolution image sensor consisting of hundreds of thousands of photodetectors based on graphene and...

The ability to capture IR light with graphene nanostructures could open new opportunities for ultrasmall and efficient photodetectors, sensors, and other photonic and optoelectronic nanodevices. ...

A new optical device that uses graphene to switch a light on and off could soon break digital communication speed limits. The switching ability is the fundamental characteristic of a network...

An interdisciplinary team of researchers from Columbia University and Sungkyungkwan University (South Korea) has introduced a clean technique to dope graphene via a charge-transfer layer made of...

Researchers at Daegu Gyeongbuk Institute of Science and Technology (DGIST) have introduced a simple methodology that enables the fine control over the integration of foreign atoms with graphene. From...

Scientists dream of being able to probe variations in the chemical composition and structure of materials without any form of sample preparation. Raman spectroscopy, a noncontact, nondestructive...

An IR technique identifies and characterizes individual graphene layers in a large stack, providing information on the electronic properties of each layer. Such information opens the possibility of...

Using a one-of-a-kind scanning-probe microscope, an international team of researchers discovered that electrons in graphene, which comprise four quantum states, can split into different energies when...

A team at Rice University has patterned a thin film of laser-induced graphene (LIG) on a block of pine using CO2 laser scribing. Previous iterations of LIG have been made by heating the surface of a...

IBM scientists from the company's T.J. Waston Research Center have demonstrated the operation of graphene field-effect transistors at gigahertz (GHz) frequencies. graphene, a special form of...

The interaction between graphene and light suggests that graphene could be used to control infrared (IR) and terahertz (THz) waves. Researchers from the University of Geneva (UNIGE) and the...

A new way to control how graphene conducts electricity could prompt its use as a broadband light detector. A research team at MIT found that changing the concentration of electrons in a...

Common carbon fiber can be turned into graphene quantum dots (QDs) in a one-step chemical process that is much simpler than established techniques. This discovery could prove useful for optical,...

Using a scanning tunneling microsope, researchers have made the first precise measurements of the "edge states" of well-ordered graphene nanoribbons. For nearly two decades, theorists have...

A neural implant developed at the University of California San Diego could help advance the path to minimally invasive brain-computer interface (BCI) technology. The implant provides high-resolution...

A plasmonic sensor made of graphene can conduct complex analyses of the smallest molecules without altering them. The device overcomes a limitation of traditional IR absorption spectroscopy,...

Using a light optical microscope, Physikalisch-Technische Bundesanstalt (PTB) scientists have succeeded in making graphene visible on gallium arsenide. Previously it has been possible only on silicon...

A new sensor design makes use of the optoelectronic properties of graphene to enable simultaneous detection of multiple substances, including bacteria and other pathogens. The design is based on 2D...

A new photodetector, made with graphene, can operate across a broader range of wavelengths and process images faster than existing photodetectors. The detector is also more sensitive to low levels of...

graphene-based OLED efficiency and flexibility have been shown to increase through a novel approach that uses graphene as a transparent electrode (TE) placed between titanium dioxide (TiO2) and...