Electric-field actuated chromogenic materials based on molecules with a rotating middle segment for applications in photonic switching
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United States of America Patent
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May 3, 2005
Grant Date -
Jan 22, 2004
app pub date -
Jul 10, 2003
filing date -
Dec 14, 2000
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Abstract
A molecular system is provided for electric field activated switches, such as optical switches. The molecular system has an electric field induced band gap change that occurs via a molecular conformation change, based on a rotor/stator construction of the molecular system, involving a rotating portion (rotor) connected between two stationary portions (stators). Nanometer-scale reversible optical switches are thus provided that can be assembled easily to make a variety of optical devices, including optical displays.
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