Journal of Scientific and Technical Research

2016 | Volume 6 | Issue Issue 1

Photo-Current Enhancement at Cu/p-Cu2O/rGO- Electrolyte Interface

1. S.p.a.u.k. Samarakoon

2. C.a.n. Fernando

Received
27-Jul-2016 		Accepted
- 		Published
27-Jul-2016
Abstract
A considerable photo-current enhancement was found at the Cu/p-Cu2O/rGO-electrolyte interface in a photo-electrochemical cell with compared to that of Cu/p-Cu2O-electrolyte interface. The reason for the photo-current enhancement may be due to the efficient charge separation process provided at Cu/p-Cu2O/rGO-electrolyte interface. Here rGO (reduced graphene oxide) acts as an electron acceptor for the photo-generated charge carriers as it readily accept electrons from the conduction band of p-Cu2O. rGO was synthesized using electro-phoretic deposition (EPD) technique. Fabricated samples were characterized using diffuse reflectance spectra, photo-current action spectra and the time development of the photocurrent of photo-electrochemical cells.
Keywords Photo-current, Electrolyte Interface, Photo Electrochemical Cell
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