Electronic and optoelectronic devices and methods for preparing same
AssigneeThe Trustees of the University of Pennsylvania
InventorsDawn Bonnell, Xiaojun Lei, David Conklin
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Abstract
Disclosed are electronic, plasmonic and opto-electronic components that are prepared using patterned photodeposited nanoparticles on a substrate surface. Also disclosed are ferroelectric nanolithography methods for preparing components, circuits and devices.
Claims51
1-44. (canceled)
An opto-electronic component made according to the process of preparing one or more opto-electronic components by patterning nanoparticles in an arrangement that facilitates a response to optical illumination, comprising:
- a) applying an electric field in a patterned arrangement to at least a portion of a ferroelectric surface to induce a patterned polarization distribution of the portion of the ferroelectric surface;
- and
- b) photodepositing a plurality of nanoparticles on the portion of the ferroelectric surface having the patterned polarization distribution, at least a portion of the plurality of nanoparticles being positioned adjacent to one or more electrodes.
A plasmonic component made according to the process of preparing one or more opto-electronic components by patterning nanoparticles in an arrangement that facilitates a response to optical illumination, comprising:
- a) applying an electric field in a patterned arrangement to at least a portion of a ferroelectric surface to induce a patterned polarization distribution of the portion of the ferroelectric surface;
- and
- b) photodepositing a plurality of nanoparticles on the portion of the ferroelectric surface having the patterned polarization distribution, at least a portion of the plurality of nanoparticles being positioned adjacent to one or more electrodes.
An opto-electronic component, comprising:
- a) a substrate;
- b) a ferroelectric surface comprising at least one patterned localized region at which the polarization is oriented to a pre-determined orientation;
- c) one or more electrodes situated adjacent to the substrate, the ferroelectric surface, or any combination thereof;
- and
- d) a plurality of nanoparticles situated adjacent to the patterned localized region at which the polarization is oriented to a pre-determined orientation, the nanoparticles being situated adjacent to at least one of the electrodes.
93-99. (canceled)
A component made according to the method of preparing a component comprising patterned photodeposited nanoparticles on a substrate surface, the method comprising:
- a) scanning an atomic force microscope tip across a first surface of a ferroelectric substrate to alter atomic polarization of specific domains of the surface;
- b) controllably biasing the tip using a computer programmable voltage source to produce a desired pattern for the component;
- c) contacting the specific domains of the surface with a photosensitive solution;
- and
- d) exposing the photosensitive solution to light to deposit nanoparticles in the desired pattern.
Dependencies are inferred from the claim text.