Please use this identifier to cite or link to this item:
|Title:||The production of organogels using graphene oxide as the gelator for use in high-performance quasi-solid state dye-sensitized solar cells|
|Source:||Neo, C.Y., Ouyang, J. (2013-04). The production of organogels using graphene oxide as the gelator for use in high-performance quasi-solid state dye-sensitized solar cells. Carbon 54 : 48-57. ScholarBank@NUS Repository. https://doi.org/10.1016/j.carbon.2012.11.002|
|Abstract:||We report the formation of organogels of 3-methoxypropionitrile (MPN) using graphene oxide (GO) as the gelator and the use of these gels as the quasi-solid state electrolyte of dye-sensitized solar cells (DSCs). GO-MPN gels are prepared by mechanically grinding or ultrasonicating GO in MPN. The GO sheets form 3-dimensional solid networks in the gels, which hold the MPN solvent. The GO loading can be as low as 2.5 wt.% for the gel formation. Gel electrolytes were prepared by dispersing I2, 1-methyl-3-propylimidazolium iodide, guanidine thiocynate and 4-tert butyl pyridine into GO-MPN gels, and these were used for DSCs. The GO sheets can be fragmented into small pieces by ultrasonication, and smaller GO sheets can lead to a higher diffusion constant of the triiodide and a higher photovoltaic efficiency for the DSCs. DSCs with a GO-MPN gel electrolyte exhibit a photovoltaic efficiency of 6.70% under AM 1.5 G illumination (100 mW cm-2), quite close to that (7.18%) of the control liquid DSCs. © 2012 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Jan 4, 2018
WEB OF SCIENCETM
checked on Jan 8, 2018
checked on Jan 15, 2018
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.