Carbon electronics offers fundamentally new avenues to solve some of the most important Grand Challenges of the 21st century, while at the same time requires only low energy-budget, environmentally friendly processing and offers possible cradle-to-cradle recycling. Faculty located in the Research Triangle perform world class research in carbon electronics, and the Organic and Carbon Electronics Lab at NC State is a nucleus of these efforts that coordinates a number of NC State faculty across several colleges, provides shared facilities for synergistic activities and maintains collaboration to partner institutions such as UNC-CH, AppState, Duke, and NCCU.
We envision fundamental advances that might provide revolutionary computing approaches based on molecular spintronics or truly renewable energy sources and self-sustaining systems such as self-powered greenhouses, integrated solar cell/algae growth ponds, and integrated semitransparent solar cells into residential structures. We are also developing a range of electronic devices (e.g. transistors, sensors, optoelectronics) for a seamlessly integrated and connected world.
The ORganic and Carbon Electronics Lab is an intellectual center where basic science insights about Carbon Materials smoothly translate into new solutions to international problems, and applied needs drive an intense pursuit of basic knowledge.
Carbon electronics has recently got a strong recognition from the UNC Research Opportunities Initiative (ROI) which is committed to providing targeted funding for innovative and potentially game-changing research project. The Carbon electronics team has got the highest ROI award of nearly $3, 000,000, as announced on the UNC ROI website.
Active projects in ORaCEL are partially listed below.
Solution processable organic and hybrid semiconducting materials have emerged as alternatives to the traditional semiconductors due to their appealing features for roll-to-roll printing technology. In ORaCEL, several faculty pursue fundamental research on understanding the processing, and optoelectronic properties of bulk heterojunction and perovskite solar cells. Click here for more details.
Organic light emitting diodes (OLEDs) have recently made their way into commercialization as a backlight for displays in electronic devices, to provide high-quality images, lower power consumption, better durability, flexibility, and transparency. ORaCEL researchers have made vital efforts in pushing OLED research for commercialization. Click here for details.
Tremendous efforts have been made over the last few decades to realize highly efficient flexible, transparent, cheap and large-area organic field effect transistors (OFETs). ORaCEL focuses on developing solution processed transistors aiming at unraveling fundamental material-function relationships and integrate OFETs in electronic devices. More details can be found here.
Spintronics ― an idea of not only using the charge but also the spin of electrons ― shares many analogues with electric charges in the operations of conventional electronic devices. ORaCEL research aims at unraveling the predicted Rashba splitting state in bulk 3D and 2D HMH materials and manipulating the Rashba-induced spin-to-charge conversion. For more details, click here.
We develop optoelectronic devices comprising organic semiconductors, quantum dots or hybrid materials. We are, hence, committed to designing and synthesizing materials with desired optoelectronic properties. The target materials includes conjugated polymers, electron acceptor molecules, quantum dots, and perovskites. Click here for more details.
With organic semiconductors offering features for developing flexible electronics, ORaCEL is making efforts in developing flexible, textile electronics, with a particular interest of the design of ‘smart’ textile platforms (wearable, internet of things) that enable improved materials integration of sensors, energy harvesting, energy storage, and communication devices. Click here for details.
We use various spectroscopic tools to gain detailed knowledge of the structure of molecular aggregates to design new high-performance devices. To that end, we operate a scanning tunneling microscopy, pump-probe techniques such as time-resolved photoluminescence, transient absorption spectroscopy, time domain terahertz spectroscopy, and several more. Click here for details.
ORaCEL also studies the fundamental origins of friction, since Tribology is a crucial enabling technology for energy efficiency in the fabrication and manufacturing of nanoscale devices, particularly as such devices extend from two- to three-dimensional platforms with moving and rubbing components. Click here for details.
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