Conformal coating by high pressure chemical deposition for patterned microwires of II-VI semiconductors
Sparks, Justin R., He, Rongrui, Healy, Noel, Chaudhuri, Subhasis, Fitzgibbons, Thomas C., Peacock, Anna C., Sazio, Pier J. A. and Badding, John V. (2012) Conformal coating by high pressure chemical deposition for patterned microwires of II-VI semiconductors. Advanced Functional Materials (doi:10.1002/adfm.201202224).
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Deposition techniques that can uniformly and conformally coat deep trenches and very high aspect ratio pores with uniform thickness films are valuable in the synthesis of complex three-dimensionally structured materials. Here it is shown that high pressure chemical vapor deposition can be used to deposit conformal films of II-VI semiconductors such as ZnSe, ZnS, and ZnO into high aspect ratio pores. Microstructured optical fi bers serve as tailored templates for the patterning of II-VI semiconductor microwire arrays of these materials with precision and flexibility. In this way, centimeters-long microwires with exterior surfaces that conform well to the nearly atomically smooth silica templates can be fabricated by conformal coating. This process allows for II-VI semiconductors, which cannot be processed into optical fibers with conventional techniques, to be fabricated into step index and microstructured optical fibers.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
|Date Deposited:||06 Nov 2012 16:18|
|Last Modified:||27 Mar 2014 20:26|
Fiberized Silicon: A New Platform for Nonlinear Photonics Devices
Funded by: EPSRC (EP/G051755/1)
Led by: Anna Peacock
1 January 2010 to 31 December 2012
NSF Materials World Network: Semiconductor photonic materials inside microstructured optical fibers
Funded by: EPSRC (EP/I035307/1)
Led by: Pier Sazio
1 January 2012 to 31 December 2014
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