Efficient CdS quantum dot sensitized solar cells made using novel Cu₂S counter electrode
By Meng, Ke; Surolia, Praveen K.; Byrne, Owen & Thampi, K. Ravindranathan
Published in Journal of Power Sources
NULL
2014
Abstract
A novel Cu₂S counter electrode (CE), which is prepared through simple electroplating method, is used to fabricate CdS quantum dot sensitized solar cells. The cells applying our novel CE show high power conversion efficiency in its class, reaching 2.6% under standard AM1.5 illumination, which is higher than those with Platinum CE (1.1%) and brass based Cu₂S CE (1.85%). This is due to the novel CE showing superior photoelectrochemical performance and electrocatalytic property indicated by current density–voltage (J–V), the incident photon to current efficiency (IPCE) and the electrochemical impedance spectroscopy (EIS) curves.
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