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The continuing rise in demand for energy places a similarly increasing demand to improve power production methods and efficiency. In regards to solar power generation, one major limiting factor with existing photovoltaic (PV) systems is the management of heat produced and photon interactions with the PV device. Typical devices operate within the 300–1000 nm range of the solar spectrum, greatly limiting...
Waste heat is a widely available but little used source of power. Converting a thermal gradient into electricity is conventionally done using the Seebeck effect, but devices that use this effect are naturally inefficient. An alternate approach uses microelectromechanical systems (MEMS) to generate movement and time-varying temperature from a constant temperature gradient. Ferroelectric materials can...
For many decades, transistorized logic has been the foundational design of computing, which relies on simple representations of 1's and 0's in the binary language. However, binary strings can be symbolized through other various methods besides transistors, like with techniques utilized in magnetic and optical data storage media. Utilizing microelectromechanical systems (MEMS) technology based on the...
Buckled membranes are commonly used in microelectromechanical systems (MEMS) structures. One application of a microfabricated membrane is pressure sensing. A differential pressure across the membrane causes deflection, up or down, which can be measured and related to a specific pressure change. Recent work has demonstrated that the deflection and stiffness of these membranes can be tuned through localized...
Photovoltaic research and technology have grown exponentially in recent years due to the continuing and increasing global demand for energy. However, to be economical for global production and utilization, the efficiency of solar cells must increase without escalating manufacturing costs. Because of the abundance of silicon and vast knowledge obtained from silicon study, exhaustive exploitation of...
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