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Modulation of the Photoluminescence of Semiconductors by Surface Adduct Formation: An Application of Inorganic Photochemsitry to Chemical Sensing

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Thomas F. Kuech

Department of Chemical Engineering, University of Wisconsin-Madison, Madison, WI 53706

Arthur B. Ellis , Robert J. Brainard , Keith D. Kepler , Dale E. Moore and Edmund J. Winder

Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53706

George C. Lisensky

Department of Chemistry, Beloit College, Beloit, WI 53511

J. Chem. Educ., 1997, 74 (6), p 680

DOI: 10.1021/ed074p680

Publication Date (Web): June 1, 1997

Abstract

Semiconductors provide a unique perspective on inorganic photochemistry. The electronic structure of common semiconductors permits a coupling of optical and electrical phenomena. As a consequence, semiconductors have found widespread use in many common electro-optical devices, including light-emitting-diodes (LEDs), diode lasers, and solar cells. In the case of LEDs and diode lasers, electrical excitation produces a highly emissive excited states of the solid; in contrast, in solar cells, photoexcitation can produce an eletrical output.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Inorganic Chemistry

Keywords (Feature):

Symposium Report

Keywords (Subject):

Materials Science

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

Chemical Control of the Photoluminescence of CdSe Quantum Dot−Organic Complexes with a Series of Para-Substituted Aniline Ligands
Kathryn E. Knowles, Daniel B. Tice, Eric A. McArthur, Gemma C. Solomon and Emily A. Weiss
Journal of the American Chemical Society2009 Article ASAP
- Chemical Control of the Photoluminescence of CdSe Quantum Dot−Organic Complexes with a Series of Para-Substituted Aniline Ligands
  Kathryn E. Knowles, Daniel B. Tice, Eric A. McArthur, Gemma C. Solomon and Emily A. Weiss
  Journal of the American Chemical Society2009 Article ASAP
  Replacement of the native (as-synthesized) ligands of colloidal CdSe QDs with varying concentrations of a series of para-substituted anilines (R-An), where R ranges from strongly electron-withdrawing to strongly electron-donating, decreases the PL of the ...
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