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Background charge fluctuations and the transport properties of biopolymer-gold nanoparticle complexes
Journal of Applied Physics
The room temperature electrical characteristics of biopolymer-gold nanoparticle complexes show threshold behavior, periodic conductance features, and current-voltage scaling that together indicate the nonlinear transport is associated with single electron charging. Repeated measurements over a period of up to 80 h showed the characteristics change with time. The current-voltage scaling behavior is found to be time independent, while the position of the conductance features shifted randomly overdoi:10.1063/1.1506399 fatcat:hqkxu26o6fb2ppcdql4pu7lf2e