Nano Science and Technology Institute
Nanotech 2013 Vol. 2
Nanotech 2013 Vol. 2
Nanotechnology 2013: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational (Volume 2)
Chapter 1: Nano Electronics & Photonic Materials & Devices

Structural Color Generation in Silicon Nanowires Enable Low-Cost Refractive Index Sensors

Authors:J. Walia, M. Khorasaninejad, N. Dhindsa, S.S. Saini
Affilation:University of Waterloo, CA
Pages:45 - 47
Keywords:structural colors, silicon nanostructures, nanowires, color sensors
Abstract:Structural colors are generated using waveguiding and diffractive effects in ordered silicon nanowire arrays. Tunable colors can be achieved by changing the angle of incidence. The generated colors are used for refractive index sensors with better than 1E-4 resolution resulting in low cost color sensor. Sensing uses a camera and detects changes by measuring changes in color. It does not use any spectrometers.
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