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Displaying 876 - 900 of 1087

Origin of Nanoscale Variations in Photoresponse of an Organic Solar Cell

April 22, 2010
Author(s)
Behrang H. Hamadani, Suyong S. Jung, Paul M. Haney, Lee J. Richter, Nikolai B. Zhitenev
Photo generated charge transport in bulk heterojunction (BHJ) solar cells is strongly dependent on the active layer nanomorphology resulting from phase segregation and connectivity of the donor and acceptor regions. Scanning probe-based techniques and in

Kinetics of the Thermal Reaction of H Atoms with Propyne

April 15, 2010
Author(s)
Claudette M. Rosado-Reyes, Jeffrey A. Manion, Wing Tsang
The reaction of hydrogen atoms with propyne(CH≡CCH3) has been investigated in a heated single pulse shock tube at temperatures of 870-1145K and pressures of 2-9 bar. Stable products from various reaction channels (terminal and non-terminal H addition, and

Phase Compatibility of the Thermoelectric Compounds in the Sr-Ca-Co-O System

April 14, 2010
Author(s)
Winnie K. Wong-Ng, Guangyao Liu, Joshua B. Martin, Evan L. Thomas, Nathan Lowhorn, James A. Kaduk
Two low-dimensional cobaltite series in the Sr-Ca-Co-O system have been investigated for their solid solution limit, structure, and compatibility phase relationships (850 deg C in air). Thermoelectric properties have been measured for selected members of

Structural properties and thermal conductivity of Na1-xGe3+z

April 2, 2010
Author(s)
Winnie K. Wong-Ng, Stevce Stefanoski, James A. Kaduk, Qingzhen Huang, Clifford R. Bowers, George S. Nolas, Beekman Mathew
Structural analyses as well as low temperature thermal conductivity is reported for the new phase in the Na-Ge system, Na1-xGe3+z. Specimens were characterized by thermal analysis, conventional and synchrotron powder X-ray diffraction, neutron powder

Standard Reference Data for the Thermophysical Properties of Biofuels

March 25, 2010
Author(s)
Mark O. McLinden, Thomas J. Bruno, Michael D. Frenkel, Marcia L. Huber
The thermophysical properties of biofuels are required for the efficient design of every step in their production, distribution, and utilization. We provide an overview of properties research at the National Institute of Standards and Technology (NIST). We

Interfacial reactions of Ba2YCu3O6+x with Coated Conductor Buffer Layer, LaMnO3

February 10, 2010
Author(s)
Winnie K. Wong-Ng, Guangyao Liu, Lawrence P. Cook, James A. Kaduk
Chemical interactions between the Ba2YCu3O6+x superconductor and the LaMnO3 buffer layers employed in coated conductors have been investigated experimentally by determining the phases formed in the Ba2YCu3O6+x - LaMnO3 system. The Ba2YCu3O6+x - LaMnO3 join
Displaying 876 - 900 of 1087
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