| Journal Articles: 19 results |
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Modifying Optical Properties of ZnO Films by Forming Zn1-xCoxO Solid Solutions via Spray Pyrolysis Anne K. Bentley, Gabriela C. Weaver, Cianán B. Russell, William L. Fornes, Kyoung-Shin Choi, and Susan M. Shih
Presents a simple experiment demonstrating the presence of an energy band gap in a semiconductor and its relationship to the material's composition through observed color and UVvis absorption.
Bentley, Anne K.; Weaver, Gabriela C.; Russell, Cianán B.; Fornes, William L.; Choi, Kyoung-Shin; Shih, Susan M. J. Chem. Educ. 2007, 84, 1183.
Materials Science |
Semiconductors |
Solid State Chemistry |
UV-Vis Spectroscopy
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Preparation of CdS Nanoparticles by First-Year Undergraduates Kurt Winkelmann, Thomas Noviello, and Steven Brooks
First-year undergraduate students prepare bulk and nanometer-sized cadmium sulfide clusters within water-in-oil micelles and calculate particle size using the effective mass model.
Winkelmann, Kurt; Noviello, Thomas; Brooks, Steven. J. Chem. Educ. 2007, 84, 709.
Colloids |
Materials Science |
Nanotechnology |
Micelles |
Semiconductors |
UV-Vis Spectroscopy
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Chemistry of Electronic Gases James R. Clark
The chemistry of electronic gases can be used in the classroom to provide many interesting examples of molecular structures, chemical reactions, periodic trends, and environmental chemistry.
Clark, James R. J. Chem. Educ. 2006, 83, 857.
Applications of Chemistry |
Gases |
Industrial Chemistry |
Semiconductors |
Solid State Chemistry
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LEDs: New Lamps for Old and a Paradigm for Ongoing Curriculum Modernization S. Michael Condren, George C. Lisensky, Arthur B. Ellis, Karen J. Nordell, Thomas F. Kuech, and Steve Stockman
Summary of the key points of a white paper on LEDs as potential replacements for a significant fraction of vehicle, display, home, and workplace lighting, with substantial safety and environmental conserving benefits.
Condren, S. Michael; Lisensky, George C.; Ellis, Arthur B.; Nordell, Karen J.; Kuech, Thomas F.; Stockman, Steve. J. Chem. Educ. 2001, 78, 1033.
Materials Science |
Nanotechnology |
Semiconductors |
Solid State Chemistry |
Applications of Chemistry
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Classifying Substances by Electrical Character: An Alternative to Classifying by Bond Type Nelson, P. G.
An alternative classification of substances based on their electrical properties.
Nelson, P. G. J. Chem. Educ. 1994, 71, 24.
Conductivity |
Covalent Bonding |
Ionic Bonding |
Metallic Bonding |
Semiconductors
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Photodegradation of methylene blue: Using solar light and semiconductor (TiO2) Nogueira, Raquel F. P.; Jardim, Wilson F.
An experiment that can be used to introduce or explore concepts such as photochemistry, semiconductors, and kinetics.
Nogueira, Raquel F. P.; Jardim, Wilson F. J. Chem. Educ. 1993, 70, 861.
Semiconductors |
Photochemistry |
Kinetics |
Catalysis |
MO Theory
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Experiments illustrating metal-insulator transitions in solids Keller, Steven W.; Mallouk, Thomas E.
Experiments and demonstrations to expose undergraduate students to electronic properties of solids.
Keller, Steven W.; Mallouk, Thomas E. J. Chem. Educ. 1993, 70, 855.
Crystals / Crystallography |
Semiconductors |
MO Theory |
Materials Science
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A simple and reliable chemical preparation of YBa2Cu3O7-x superconductors: An experiment in high temperature superconductivity for an advanced undergraduate laboratory Djurovich, Peter I.; Watts, Richard J.
The popular kits used to engage students in sythetic procedures contain pedagogical flaws. This article presents an alternative to the so-called "shake and bake" kits.
Djurovich, Peter I.; Watts, Richard J. J. Chem. Educ. 1993, 70, 497.
Semiconductors |
Materials Science |
Solid State Chemistry |
Superconductivity
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Conducting midshipmen - A classroom activity modeling extended bonding in solids Lomax, Joseph F.
Using the electron-hopping model (analogous to people sitting in chairs) to explain electron movement and conductivity in insulators, semiconductors, and metals.
Lomax, Joseph F. J. Chem. Educ. 1992, 69, 794.
Solids |
Solid State Chemistry |
Conductivity |
Metals |
Semiconductors
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Periodic properties in a family of common semiconductors: Experiments with light emitting diodes Lisensky, George C.; Penn, Rona; Geselbracht, Margret J.; Ellis, Arthur B.
The prevalence of LED's and their low cost make LED's ideal for classroom demonstrations or laboratory experiments showing the connection between periodic trends in physical/chemical properties and a common high tech device.
Lisensky, George C.; Penn, Rona; Geselbracht, Margret J.; Ellis, Arthur B. J. Chem. Educ. 1992, 69, 151.
Periodicity / Periodic Table |
Semiconductors
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Photoelectrochemical solar cells McDevitt, John T.
An introduction to photoelectrochemical cells and topics pertaining to solar energy conversion.
McDevitt, John T. J. Chem. Educ. 1984, 61, 217.
Photochemistry |
Electrochemistry |
Electrolytic / Galvanic Cells / Potentials |
Semiconductors |
Applications of Chemistry
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"Holey" crystals! Feinstein, H. I.
Nonstoichiometric compounds have a range of composition, often exhibit unusual color, luster, fluorescence, and semi-conductance. This makes them fascinating compounds for student study.
Feinstein, H. I. J. Chem. Educ. 1981, 58, 638.
Stoichiometry |
Semiconductors |
Crystals / Crystallography |
Physical Properties |
Isotopes
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A simple and inexpensive solar energy experiment Evans, J. H.; Pedersen, L. G.
Uses solid state technology to demonstrate the direct generation of electricity and the electrochemical generation of hydrogen.
Evans, J. H.; Pedersen, L. G. J. Chem. Educ. 1979, 56, 339.
Solid State Chemistry |
Semiconductors |
Electrochemistry
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Solar energy J. Chem. Educ. Staff
Information summarizing a variety of topics related to solar energy.
J. Chem. Educ. Staff J. Chem. Educ. 1979, 56, 264.
Applications of Chemistry |
Solid State Chemistry |
Semiconductors
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An introduction to principles of the solid state. Extrinsic semiconductors Weller, Paul F.
Includes a previous analogy is extended to cover n- and p-type semiconductors and discussions of the concepts of donors and acceptors, donor and acceptor activation energies and the corresponding charge carrier production at various temperatures, and the effects of the presence of both donors and acceptors.
Weller, Paul F. J. Chem. Educ. 1971, 48, 831.
Solid State Chemistry |
Solids |
Semiconductors
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Integrated circuits in the instrumental laboratory Scherer, George A.
A brief introduction to integrated circuits that exemplifies their use in instrumentation through the construction of a square wave generator, audio amplifier, decimal counting unit, and operational amplifier.
Scherer, George A. J. Chem. Educ. 1969, 46, 399.
Laboratory Equipment / Apparatus |
Instrumental Methods |
Semiconductors
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An analogy for elementary band theory concepts in solids Weller, Paul F.
The author presents analogies to help students understand insulators and metals, semiconductors, and the p-n junction.
Weller, Paul F. J. Chem. Educ. 1967, 44, 391.
Semiconductors |
Solid State Chemistry |
Metals
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An analogy for the band theory of metals van Reuth, E. C.
Presents a useful analogy for teaching students the band theory of metals.
van Reuth, E. C. J. Chem. Educ. 1966, 43, 484.
Metals |
Solid State Chemistry |
Semiconductors
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Conduction and semiconduction Juster, Norman J.
Reviews the conductors and semiconductors, the p-n junction, and transistors.
Juster, Norman J. J. Chem. Educ. 1963, 40, 489.
Conductivity |
Semiconductors
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