2017
DOI: 10.1016/j.jcis.2016.10.073
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Template-free TiO2 photoanodes for dye-sensitized solar cell via modified chemical route

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Cited by 18 publications
(4 citation statements)
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“…Due to the fast charge transport, kinetics and slow charge recombination process of the TiO 2 ETL synthesized from the solutions of TiCl 4 and hot K 2 S 2 O 8 , with subsequent annealing at 450°C, advances the efficiency of the cell to around 10%. Further, a couple of studies showed the deposition of TiO 2 layers from solutions of TiCl 3 and NaOH [27,125] followed by annealing at 400°C, as ETLs in DSSC with the modest efficiency of just over 1%. Other SILAR-fabricated layers used as ETLs in PVs consist of ZnO and ZrO 2 as interfacial layer attached to porous TiO 2 , both demonstrated performance in DSSC [102,126].…”
Section: Solar Cellsmentioning
confidence: 99%
“…Due to the fast charge transport, kinetics and slow charge recombination process of the TiO 2 ETL synthesized from the solutions of TiCl 4 and hot K 2 S 2 O 8 , with subsequent annealing at 450°C, advances the efficiency of the cell to around 10%. Further, a couple of studies showed the deposition of TiO 2 layers from solutions of TiCl 3 and NaOH [27,125] followed by annealing at 400°C, as ETLs in DSSC with the modest efficiency of just over 1%. Other SILAR-fabricated layers used as ETLs in PVs consist of ZnO and ZrO 2 as interfacial layer attached to porous TiO 2 , both demonstrated performance in DSSC [102,126].…”
Section: Solar Cellsmentioning
confidence: 99%
“…Several studies describe the SILAR deposition of TiO 2 thin films assessing their crystallinity, porosity and opto-electronic behavior, for use in photocatalysis, [146][147][148] photovoltaics and gas sensors. [149,150] As a soft chemical synthesis technique, SILAR has been recognized as an ideal method for fabrication of nanocrystalline films with a high-surface area. [146] It is worth noticing that the vast majority of TiO 2 films and nanostructures in general are deposited via the sol-gel method, due to the availability of alkoxide precursors and their tunable reactivity [151,152] In most SILAR studies, chlorides of titanium have been utilized as a cationic precursor in highly acidic conditions to prevent excessive hydrolysis, and slightly basic water as the anionic precursor is used to trigger fast TiO 2 precipitation.…”
Section: Binary Oxidesmentioning
confidence: 99%
“…[145] In a recent study, Moholkar and coworkers used a previously developed recipe by Lokhande and deposited TiO 2 layers from solutions of TiCl 3 and NaOH [249] as cationic and anionic precursors, respectively, and following a final annealing of the samples at 400 °C to remove residual contaminants and crystallize the oxide, they investigated the effect of the number of cycles in the morphology and performance of these TiO 2 films as electron transport layers in dye-sensitized solar cells. [149] The authors discovered a marked effect of both the morphology and thickness of the TiO 2 , and of the dye impregnation procedure on the overall PCE of the devices. Although the efficiencies obtained here are modest (just over 1%), this study showed the importance of carefully the reaction conditions to maximize the desired performance.…”
Section: Solar Cellsmentioning
confidence: 99%
“…These 1-D nanostructures reduce the number of dead ends for electron transport [28]. 1-D nanostructures, however have some drawbacks including reduced dye loading [29], [30]. Thus, fully three dimensional (3-D) structures with different granules have been reported in an attempt to overcome these limitations in one dimensional and zero dimensional structures of TiO2 based DSSC [31].…”
Section: Introductionmentioning
confidence: 99%