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US 2010/0301321 A1Published application
Tunable Diode
AssigneeUniversity of Manitoba
InventorsMichael S. Freund, Jun Hui Zhao, G.M. Aminur Rahman, Douglas J. Thomson
Life of this patent
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Abstract
Tunable diodes and methods of making.
Claims46
A tunable diode comprising:
- a first material configured to be dopable electrochemically, the first material comprising an anion and a cation, where one of the anion and cation is immobile, and the other of the anion and cation is mobile;
- a second material coupled to the first material, the second material configured to be dopable electrochemically;
- where the first material and second material are configured such that if a sufficient voltage potential is applied across the first material and second material:
- at least a portion of the mobile one of the anion and cation migrates from the first material to the second material such that p-doping of one of the first and second materials increases and n-doping of the other of the first and second materials increases;
- and
- the conductivity increases across the coupled first and second materials.
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A method of making a tunable diode, the method comprising:
- providing a first material configured to be dopable electrochemically, the first material comprising an anion and a cation, where one of the anion and cation is immobile, and the other of the anion and cation is mobile;
- immersing the first material in a liquid solution;
- applying a first tuning voltage potential across the first material while the first material is immersed in the solution, the first tuning voltage potential sufficient to modify the electrochemical potential of the first material;
- providing a second material configured to be dopable electrochemically;
- and
- coupling the first material to the second material such that if a sufficient voltage potential is applied across the coupled first and second materials:
- at least a portion of the mobile one of the anion and cation migrates from the first material to the second material such that p-doping of one of the first and second materials increases and n-doping of the other of the first and second materials increases;
- and
- the conductivity increases across the coupled first and second materials.
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A method of making a tunable diode, the method comprising:
- providing a first material configured to be dopable electrochemically, the first material comprising an anion and a cation, where one of the anion and cation is immobile, and the other of the anion and cation is mobile;
- providing a second material configured to be dopable electrochemically;
- coupling the first material to the second material such that if a sufficient voltage potential is applied across the coupled first and second materials:
- at least a portion of the mobile one of the anion and cation migrates from the first material to the second material such that p-doping of one of the first and second materials increases and n-doping of the other of the first and second materials increases;
- and
- the conductivity increases across the coupled first and second materials.
3 more elements
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Dependencies are inferred from the claim text.