Final report on LDRD Project: Quantum confinement and light emission in silicon nanostructures

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Electrochemically formed porous silicon (PS) was reported in 1991 to exhibit visible photoluminescence. This discovery could lead to the use of integrated silicon-based optoelectronic devices. This LDRD addressed two general goals for optical emission from Si: (1) investigate the mechanisms responsible for light emission, and (2) tailor the microstructure and composition of the Si to obtain photoemission suitable for working devices. PS formation, composition, morphology, and microstructure have been under investigation at Sandia for the past ten years for applications in silicon-on-insulator microelectronics, micromachining, and chemical sensors. The authors used this expertise to form luminescent PS at a variety of ... continued below

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68 p.

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Guilinger, T.R.; Kelly, M.J. & Follstaedt, D.M. February 1, 1995.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Electrochemically formed porous silicon (PS) was reported in 1991 to exhibit visible photoluminescence. This discovery could lead to the use of integrated silicon-based optoelectronic devices. This LDRD addressed two general goals for optical emission from Si: (1) investigate the mechanisms responsible for light emission, and (2) tailor the microstructure and composition of the Si to obtain photoemission suitable for working devices. PS formation, composition, morphology, and microstructure have been under investigation at Sandia for the past ten years for applications in silicon-on-insulator microelectronics, micromachining, and chemical sensors. The authors used this expertise to form luminescent PS at a variety of wavelengths and have used analytical techniques such as in situ Raman and X-ray reflectivity to investigate the luminescence mechanism and quantify the properties of the porous silicon layer. Further, their experience with ion implantation in Si lead to an investigation into alternate methods of producing Si nanostructures that visibly luminesce.

Physical Description

68 p.

Notes

OSTI as DE95011010

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  • Other Information: PBD: Feb 1995

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  • Other: DE95011010
  • Report No.: SAND--94-3248
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/71362 | External Link
  • Office of Scientific & Technical Information Report Number: 71362
  • Archival Resource Key: ark:/67531/metadc704790

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  • February 1, 1995

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

Description Last Updated

  • April 13, 2016, 1:54 p.m.

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Guilinger, T.R.; Kelly, M.J. & Follstaedt, D.M. Final report on LDRD Project: Quantum confinement and light emission in silicon nanostructures, report, February 1, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc704790/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.