Vacuum ultraviolet electronic properties of liquids. Progress report, February 1, 1986-January 31, 1987

Technical Report · Tue Jul 01 04:00:00 EDT 1986

OSTI ID:5319589

Painter, L R

The work on optical and photoionization measurements on ethylene glycol, diethylene glycol, triethylene glycol and tetraethylene glycol was recently completed. Studies were completed on absolute photoyield of this series of four n-ethylene glycols. Systematic studies on doping of electrically insulating liquids which had displayed little if any photoemission were conducted. The addition of alkali salts to the linear aldanes pentadecane and heptadecane revealed no statistically significant change in photoemission, despite observed increases in conductivity. This confined earlier preliminary measurements on ionic doping reported for squalane and tetraethylene glycol. Comcomitant with this experimental effort, theoretical studies based on diffusion of charge carriers on the surface of liquids were initiated. A major thrust of the current contract period has been the introduction of discharges needles and submerged conductors in the liquid to reduce the effects of surface charge. Photoemission from liquids previously showing no measurable yield demonstrates the placibility of using grids near a liquified surface to effect discharge. These studies are ongoing as appropriate grid configurations are examined. 4 figs.

• Research Organization: Tennessee Univ., Knoxville (USA). Dept. of Physics and Astronomy
• DOE Contract Number: FG05-86ER60415
• OSTI ID: 5319589
• Report Number(s): DOE/ER/60415-1; ON: DE86014678
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500 -- Photochemistry
640420* -- Fluid Physics-- Properties & Structure of Fluids-- (-1987)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALCOHOLS
ALKANES
CURRENTS
DATA
DIELECTRIC PROPERTIES
DOPED MATERIALS
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
EMISSION
EXPERIMENTAL DATA
EXTREME ULTRAVIOLET RADIATION
FLUIDS
GLYCOLS
HYDROCARBONS
HYDROXY COMPOUNDS
INFORMATION
IONIZATION
LIQUIDS
MATERIALS
NUMERICAL DATA
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PHOTOCURRENTS
PHOTOEMISSION
PHOTOIONIZATION
PHYSICAL PROPERTIES
POLYETHYLENE GLYCOLS
POLYMERS
RADIATIONS
SECONDARY EMISSION
SQUALANE
ULTRAVIOLET RADIATION
YIELDS