Abstract
A series of 9-substituted 3,4-perylenedicarboxylic anhydrides were examined as sensitizers for the zinc oxide solar cell prepared by a one-step cathode deposition template method. The best performance was obtained for the bromo derivative. The incident photon-to-current efficiency (IPCE) at 431 nm, maximum short-circuit photocurrent density ( I sc), open-circuit photovoltage ( V oc), fill factor (ff), and solar-light-to-electricity conversion efficiency ( η) were observed to be 35.5%, 1.78 mA cm −2, 0.46 V, 0.64, and 0.52%, respectively.
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