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Title: Photoelectrochemically driven self-assembly method

Various technologies described herein pertain to assembling electronic devices into a microsystem. The electronic devices are disposed in a solution. Light can be applied to the electronic devices in the solution. The electronic devices can generate currents responsive to the light applied to the electronic devices in the solution, and the currents can cause electrochemical reactions that functionalize regions on surfaces of the electronic devices. Additionally or alternatively, the light applied to the electronic devices in the solution can cause the electronic devices to generate electric fields, which can orient the electronic devices and/or induce movement of the electronic devices with respect to a receiving substrate. Further, electrodes on a receiving substrate can be biased to attract and form connections with the electronic devices having the functionalized regions on the surfaces. The microsystem can include the receiving substrate and the electronic devices connected to the receiving substrate.
Issue Date:
OSTI Identifier:
Sandia Corporation (Albuquerque, NM) SNL-A
Patent Number(s):
Application Number:
Contract Number:
Resource Relation:
Patent File Date: 2013 Oct 23
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
Country of Publication:
United States

Other works cited in this record:

Photoelectrochemical cell assembly having electrolyte contacts between semiconductor surfaces
patent, February 1982

Method for fabricating self-assembling microstructures
patent, August 1996

Method and apparatus for fabricating self-assembling microstructures
patent, October 1998

Self-assembly of mesoscale objects
patent, January 2003

Methods to implement interconnects in multi-cell regenerative photovoltaic photoelectrochemical devices
patent, April 2003

Method and apparatus for self-assembly of functional blocks on a substrate facilitated by electrode pairs
patent, August 2004

Method of self-assembly on a surface
patent, August 2010

Fluidic self-assembly of micromirrors onto surface micromachined actuators
conference, August 2000

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