Autor(es): Congiu, Mirko [UNESP] ; Lanuti, Alessandro ; di Carlo, Aldo ; Graeff, Carlos F.O. [UNESP]
Data: 2018
Identificador Persistente: http://hdl.handle.net/11449/177482
Origem: Oasisbr
Assunto(s): Cobalt sulfide; DSSC; Electrolytes; Iodine-free; Cobalt sulfide; Cobalt sulfide; DSSC; DSSC; Electrolytes; Electrolytes; Iodine-free; Iodine-free
Made available in DSpace on 2018-12-11T17:25:40Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-12-01
A novel, cheap, reliable water based precursor ink has been used for the large scale production of amorphous cobalt sulfide (CoS) on fluorine doped tin oxide (FTO). The method uses a metal-organic complex of Co(II) and thioglycolic acid (TGA), it is cheap and easy to prepare. The electrodes prepared using our method have been applied in the oxidation/reduction using different redox couples dissolved in liquid electrolytes containing: I-/I3-; ferrocene/ferrocenium; bipyridine [Co(bpy)3]2+/3+ complexes and sodium polysulfide. The composition, morphology and the efficiency of the CoS electrodes have been investigated. The CoS films show a good adherence to the substrate, good transparency and an excellent electrocatalytic efficiency with all of the different redox electrolytes. The electrodes have been used in DSSC devices using the organic dye D5 with efficiencies up to 6.8%.
UNESP-Univ. Estadual Paulista, Av. Eng. Luiz Edmundo Carrijo Coube 14-01
CHOSE-Centre for Hybrid and Organic Solar Energy Department of Electronic Engineering University of Rome Tor Vergata, Via del Politecnico 1
Department of Physics Faculty of Sciences-UNESP
UNESP-Univ. Estadual Paulista, Av. Eng. Luiz Edmundo Carrijo Coube 14-01
Department of Physics Faculty of Sciences-UNESP
