Author: David R. KearnsPublisher:
ISBN:
Category :
Languages : en
Pages : 121
Book Description
Electrical Properties of Organic Solids
Author: David R. KearnsElectrical Properties of Organic Solids. I. Kinetics and Mechanism of Photoconductivity of Metal-Free Phthalocyanine. II. Effects of Added Electron Acceptors and Donors
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Techniques involving the use of high-intensity, shortduration light pulses were applied to the study of the kinetics of photoconductivity in films of metal-free phthalocyanine. These experiments, in conjunction with measurements of steady-state photoconductivity indicate that the principal route for the formation of charge carriers is via the first excited singlet state of phthalocyanine, although the lowest triplet stats can to some extent contribute to changecarrier production. Consistent with a variety of steadystate and kinetic conductivity measurements, a mechanism is proposed for the ionization of the excited states of phthalocyanine to form charge carriers. This mechanism is strongly supported by the studies of the effects of electron acceptors and donors on the electrical properties of phthalocyanine. A method was developed to measure the diffusivity and mobility of the majority charge carrier. Such measurements lead to a room-tempenature value of approximately 10/sup -3/ cm/ sup 2/v-sec for the mobility of positive-charge carriers (holes) in phthalocyanine. An interpretation of the kinetics of flash-photoconductivity decay suggested that the mobility of charge carriers is concentration-dependent, being lower at high carrier concentration. The decay of the photocurrent is suggested to be the result of a diffusionlimited bimolecular recombination of electrons and holes, with a recombination radius of approximatsly one molecular diameter. (auth).
Electrical Properties of Organic Solids
Author: David Richard KearnsPublisher:
ISBN:
Category : Photoconductivity
Languages : en
Pages : 126
Book Description
Nuclear Science Abstracts
Author: Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 918
Book Description
NSA is a comprehensive collection of international nuclear science and technology literature for the period 1948 through 1976, pre-dating the prestigious INIS database, which began in 1970. NSA existed as a printed product (Volumes 1-33) initially, created by DOE's predecessor, the U.S. Atomic Energy Commission (AEC). NSA includes citations to scientific and technical reports from the AEC, the U.S. Energy Research and Development Administration and its contractors, plus other agencies and international organizations, universities, and industrial and research organizations. References to books, conference proceedings, papers, patents, dissertations, engineering drawings, and journal articles from worldwide sources are also included. Abstracts and full text are provided if available.
Atomic Energy Research Reports for Sale by the U.S. Department of Commerce, Office of Technical Services
Author: Business and Defense Services AdministrationPublisher:
ISBN:
Category :
Languages : en
Pages : 68
Book Description
List
Author: Semiconductors
Author: T. F. ConnollyPublisher: Springer Science & Business Media
ISBN: 1468462016
Category : Science
Languages : en
Pages : 223
Book Description
And often on request from the issuing installation. USAEC reports are also available from International Atomic Energy Agency Kaerntnerring A 1010 Vienna, Austria National Lending Library Boston Spa, England Monographs and reports of the National Bureau 01 Standards are for sale by Superintendent of Documents U.S. Government Printing Office Washington, D.C. 20402 Theses, listed as Dissertation Abstracts + number, are available in North and South America from University Microfilms Dissertation Copies P.O. Box 1764 Ann Arbor, Michigan 48106 and elsewhere from University Microfilms, Ltd. St. John's Road Tylers Green Penn, Buckinghamshire England Conlenls Addendum ... xiii 1. Information Centers and Other Services ... 1 2. Journals ... 3 3. Methods of Crystal Growth - Books and Reviews ... 5 4. Semiconductors - General, Reviews, and Bibliographies ... 11 5. 1-V -VI Compounds ... 21 6. li-IV - V2 Compounds ... 23 7. II - V Compounds ... 29 a. General, Reviews, and Bibliographies ... 29 b. Zinc Compounds ... 30 1. Zn3P2" .. . .. . .. . . .. ... .. ... . .. ... . . .. ... .. . . 30 2. ZnAs ... 30 3. ZnSb ... 30 4. Zn Mixed Systems ... 31 c. Cadmium Compounds ... 31 31 1. Cd3P2' ... 2. Cd3As2 ... 31 3. CdSb, Cd3Sb2 ... 33 37 8. li-VI Compounds ... a. General, Reviews, and Bibliographies ... ... 37 ... b. Zinc Compounds ... . ... ... 39 ... 1. ZnO ... 39 Preparation and Properties ... 39 Electrical Properties ... ... 41 ... Optical Properties ... ... 45 ... Physical Properties and Structure ... ... 47 ... 2. ZnS ... 49 3. ZnSe ... 52 4. ZnTe ... ' ... 54 5. Zn Mixed Systems. ... ... 55 ... 55 c. Cadmium Compounds ... 55 1. CdS ... 2. CdSe ... 60 3. CdTe ... 61 4. CdTernaries ... ... 62 ... d. Mercury Compounds ... ... . 64 ...
Bio-organic Chemistry Quarterly Report
Author: Publisher:
ISBN:
Category : Bioorganic chemistry
Languages : en
Pages : 234
Book Description
Science Abstracts
Author: Publisher:
ISBN:
Category : Electrical engineering
Languages : en
Pages : 1628
Book Description
Digest of Technical Papers
Author: Publisher:
ISBN:
Category : Detectors
Languages : en
Pages : 468
Book Description
Conference held in alternate years with other conferences on solid-state sensors.