Researchers grow semiconductors on graphene
Researchers believe that semiconductors grown on graphene will eventually form the basis for new types of devices and could fundamentally change the semiconductor industry.
NTNU's patented hybrid material offers excellent optoelectronic properties, according to Helge Weman, a professor at NTNU's department of electronics and telecommunications. "We have managed to combine low cost, transparency and flexibility in our new electrode," said Weman, who is also a co-founder and chief technology officer of the company created to commercialize the research, CrayoNano AS.
The NTNU breakthrough was recently described in Nano Letters, a U.S.-based research journal. The patented method of growing semiconductor nanowires on atomically thin graphene uses molecular beam epitaxy to grow the nanowires, according to NTNU.
"We do not see this as a new product," Weman said through a statement. "This is a template for a new production method for semiconductor devices. We expect solar cells and light emitting diodes to be first in line when future applications are planned."
Weman said the NTNU technology "fits perfectly" with the production machinery already in place at companies like IBM and Samsung, which are working on methods for using graphene as a replacement for silicon in electronics and for new applications like flexible touchscreens for mobile phones. "We make it easy for them to upgrade consumer electronics to a level where design has no limits," Weman said.
The researchers envision the possibility of nanowire solar cells, which potentially could be efficient, cheap and flexible. The researchers also envision the technology being used to create self-powered nanomachines and advanced 3-D ICs built on graphene and semiconductor nanowires, enabling smaller and more efficient electronics.
"Semiconductors grown on graphene could become the basis for new types of device systems, and could transform the semiconductor industry by introducing graphene as a preferred substrate for many applications," Weman said.
NTNU said the research underpinning this latest breakthrough has been supported since 2007 by the Research Council of Norway. The technology has been patented and spun off as CrayoNano (Trondheim, Norway), the university said.
CrayoNano has produced a video describing the technology.
- European chip market contracted in January
- CMOS image sensor market on 10.6% CAGR
- LED light poses health risk warn Dutch experts
- Chip market grew 7.9 percent in 2014, says Gartner
- Camera module market on 19% CAGR, says research firm
- Glass transistor promises superior electronics
- Analog IC sales to hit $43 billion in 2014, says Semico
- Chips-for-wearables market on 30 percent CAGR
- Can chewing power wearable devices?
- Lack of security threatens IoT, says study
- Hemp nanosheets could trump graphene for supercapacitors
- Sensor fusion, radar to drive ADAS
- VTT depth camera tracks shoppers
- DC power grid taps electronic circuit breaker research
- Tactile skin gives prosthetics and robots a flexible touch
- 1st MEMS spectrometer debuts
- Raspberry Pi gets processor upgrade, Windows OS
- Too much memory kills memories
- India to build billion-dollar analog wafer fab
- Printed NFC tags detect opened goods
- CMOS image sensors surpassing Moore's law
- Pressure sensor measures height to +/-5cm
- CMOS image sensor market on 10.6% CAGR
- Chip market grew 9.9% in 2014
- PoLight readies MEMS lens actuator for mass production
- Op amps: don't get caught speeding
- Let's aim above 100GHz
- The future of custom ASICs
- LDO design techniques for small spaces
- DelfMEMS shows SP12T RF MEMS switch
- Sub-Threshold Design - A Revolutionary Approach to Eliminating Power
- Method for Safety Compliant Triple Voting Flop Implementation
- Common Mode Rejection in Wide Input Range Op Amps
- Modelling Non-Linearity in Timing Analysis
- Flexible and Low Power Driving of Solenoid Coils
- Automated Macro-Model Extraction Using SPICE Netlist
- Dual 13A μModule Regulator with Digital Interface for Remote Monitoring & Control of Power