Closed and open structure aggregates in microemulsions and mechanism of percolative conduction

Journal Article · Thu Jun 28 00:00:00 EDT 1990 · Journal of Physical Chemistry; (USA)

DOI:https://doi.org/10.1021/j100376a024· OSTI ID:6428689

Maitra, A; Mathew, C; Varshney, M ^[1]

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1. Delhi Univ. (India)

The electrical conductivity and water self-diffusion coefficients of the oil-continuous microemulsions of Aerosol OT at the onset of the percolation process as well as in the bicontinuous system have been measured. Low self-diffusion coefficients of water indicate that the droplets maintain their closed shell structure. It has been concluded from the results that the percolative conduction arises due to the hopping of the charge carriers across the surfactant monolayer of the droplets, and the aggregates open up only at the onset of formation of bicontinuous microemulsions.

• OSTI ID: 6428689
• Journal Information: Journal of Physical Chemistry; (USA), Journal Name: Journal of Physical Chemistry; (USA) Vol. 94:13; ISSN 0022-3654; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
COLLOIDS
DATA
DATA ANALYSIS
DIFFUSION
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EMULSIONS
EXPERIMENTAL DATA
HYDROGEN COMPOUNDS
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
MICROEMULSIONS
NUMERICAL DATA
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SELF-DIFFUSION
WATER