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Due to its extraordinary properties, graphene is believed to have the potential to replace many traditional electrode materials that are being used in optoelectronic devices.
Graphene holds a lot of promise, but before it can be used commercially, methods are needed for producing processable forms of graphene in scalable amounts and also for incorporating graphene in devices.
Graphene is a promising material in next-generation devices.
Open accessJournal ArticleDOI
Qiyuan He, Shixin Wu, Zongyou Yin, Hua Zhang 
07 May 2012-Chemical Science
644 Citations
The atomic thickness of the graphene sheet is extremely sensitive towards the change of local environment, making it an ideal channel material in field-effect transistors used as electronic sensors.
We present a graphene-based wideband microphone and a related ultrasonic radio that can be used for wireless communication.
Graphene additionally is a material with a very high tensile strength so it can be successfully used on the silicon, flexible and organic substrates as well.
These findings suggest that graphene may be used for biological applications.
This graphene transfer process can be used to avoid additional thermal budget which can cause degradation of device performance.
Graphene can be used in different membranes due to its high-est flexibility and mechanical strength.
Our findings uncover another fascinating property of graphene with broad implications in graphene-based electromechanical devices.

Related Questions

Why graphene is so important?5 answersGraphene is important because of its unique properties and wide range of applications. It is a lightweight material with high electron mobility, conductivity, and thermal conductivity, making it ideal for energy storage devices like lithium-ion batteries and solar cells. Graphene's thinness and conductivity also make it a promising semiconductor that can compete with traditional materials like silicon in electronics. Additionally, graphene has impressive surface area, high strength, and antimicrobial properties, making it suitable for biomedical applications such as coatings for medical implants and dental technology. In the field of semiconductor electronics, graphene has revolutionized the industry with its high carrier density, conductivity, and mechanical and optical properties. Furthermore, graphene has been found to promote eco-friendly plant growth, enhancing the germination and growth of plants while minimizing the use of chemical fertilizers.
What are properties of graphene?5 answersGraphene is an allotrope of carbon with unique properties. It has a hexagonal lattice structure and a thin atomic thickness of approximately 0.345Nm. Graphene exhibits sp2 hybridization and has a chain of π conjugation, resulting in high charge mobility, conductivity, and Young's modulus value. It is a strong and lightweight material that is million times smaller than human hair. Graphene has been extensively studied for its mechanical, chemical, thermal, electrical, magnetic, and biological properties. It shows promise in various applications such as energy storage, energy generation, electronics, and nanotechnology. Graphene has the potential to be used in electrical components like spin-valve and gas sensors, transistors, and photovoltaic devices. It can also be a potential replacement for conventional materials like silicon.
What are the potential applications of graphene plications?5 answersGraphene and its derivatives have potential applications in the food processing industry, including packaging, electrochemical sensing, analytics, milk and beverage technology, detection of pesticides and antinutrients, desalination and water treatment, extraction, and production of tailored milk. Graphene nanomaterials, such as graphene oxide and reduced graphene oxide, have been used in energy storage devices, portable and foldable devices, flexible optoelectronics, bioengineering, and water purification. Graphene has shown promise in improving the performance, function, and durability of energy storage devices, including supercapacitors, batteries, and fuel cells. Graphene's advantages have also expanded its use in electroanalytical and electrochemical sensors. Graphene has been used in electronic applications, such as touch screens and flexible keyboards, due to its high charge carrier mobility and thin thickness.
What are the challenges of using graphene nanomaterials in electronic mobile devices?4 answersGraphene nanomaterials have shown great potential for use in electronic mobile devices. However, there are several challenges that need to be addressed. One challenge is the toxicity effects of graphene nanomaterials, which need to be better understood for biomedical applications. Another challenge is the device-to-device variations and extrinsic factors such as dielectric layers and metal contact resistance, which can affect the performance of carbon nanomaterial-based devices. Additionally, the preparation methods of graphene nanoribbons (GNRs) need to be carefully considered, as different structures of GNRs can have advantages and disadvantages in terms of their electrical, magnetic, and optical characteristics. Furthermore, the fabrication technology for sub-10-nm graphene nanostructures and the development of graphene-based tunnel FETs and graphene NEM switches with advanced switching characteristics and low voltage operation are areas that require further research and development. Overall, addressing these challenges will be crucial for the successful integration of graphene nanomaterials into electronic mobile devices.
What are the properties of graphene?2 answersGraphene is a two-dimensional carbon material with unique properties. It has high surface area, excellent electrical conductivity, and remarkable biocompatibility, making it suitable for biomedical applications. Graphene has a honeycomb lattice structure and is intrinsically nonmagnetic, but it can be made magnetic by introducing point defects or forming spin clusters. The mechanical properties of graphene include elastic moduli, such as Young's modulus, shear modulus, and bulk modulus, which can be influenced by defects and temperature. Graphene also exhibits bending stiffness, which can be determined from studies of carbon nanotubes. The thickness and elastic constants of graphene can be clarified by considering phonon frequencies and comparing with graphite. Graphene can be synthesized through various methods, including chemical vapor deposition and epitaxial growth. Overall, graphene's properties make it a promising material for applications in bioelectronics and biosensors.
How plentiful is graphene?8 answers