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Semiconductors and Graphene Technology

A semiconductor material has an electrical conductivity value falling between that of a conductor, like metallic copper, and an insulator, like glass. Its resistivity falls as its temperature rises; metals behave within the opposite way. Its conducting properties could also be altered in useful ways by introducing impurities into the crystal structure. When two differently doped regions exist within the same crystal, a semiconductor junction is made. Semiconductor devices can display a variety of useful properties, like passing current more easily in one direction than the opposite , showing variable resistance, and having sensitivity to light or heat. Application of electrical fields, devices made up of semiconductors are often used for amplification, switching, and energy conversion.
• Early transistors
• Optical Processes in Semiconductors
• High thermal conductivity
• Thermal energy conversion
• Organic compounds
• Electrons and holes
• Semiconductor industry

Graphene is a disruptive technology; one that could open up new markets and even replace existing technologies or materials. It is when graphene is used both to improve an existing material and in a transformational capacity that its true potential can be realised

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Materials Science & Engineering

Theme : Sustainable Solutions through Advanced Materials and Engineering

Semiconductors and Graphene Technology

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