Electrophoretically deposited TiO2 photo-electrodes for use in flexible dye-sensitized solar cells

Yum, Jun‐Ho; Kim, Seok-Soon; Kim, Dong‐Yu; Sung, Yun Mo

doi:10.1016/j.jphotochem.2004.12.023

Cited by 105 publications

(41 citation statements)

References 26 publications

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“…• C [1][2][3][4]19]. Recently, some methods for preparing semiconductor films on a flexible substrate such as low-temperature annealing at the temperature below 150…”

Section: Nanocrystalline Semiconductor Film Electrodementioning

confidence: 99%

Review of Recent Progress in Dye-Sensitized Solar Cells

Kong

Dai

Wang

2007

Advances in OptoElectronics

141

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We introduced the structure and the principle of dye-sensitized solar cell (DSC). The latest results about the critical technology and the industrialization research on dye-sensitized solar cells were reviewed. The development of key components, including nanoporous semiconductor films, dye sensitizers, redox electrolyte, counter electrode, and conducting substrate in dye-sensitized solar cells was reviewed in detail. The developing progress and prospect of dye-sensitized solar cells from small cells in the laboratory to industrialization large-scale production were reviewed. At last, the future development of DSC was prospective for the tendency of dye-sensitized solar cells.

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“…• C [1][2][3][4]19]. Recently, some methods for preparing semiconductor films on a flexible substrate such as low-temperature annealing at the temperature below 150…”

Section: Nanocrystalline Semiconductor Film Electrodementioning

confidence: 99%

Review of Recent Progress in Dye-Sensitized Solar Cells

Kong

Dai

Wang

2007

Advances in OptoElectronics

141

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“…With EPD, it is possible to prepare homogeneous coated layers and the thickness of deposited films may be controlled by varying the EPD deposition parameters such as the choice of solvent (suspension), the zeta potential (through the charging mechanism), solid loading of the particles in the suspension and the deposition conditions such as the DC voltage and deposition time [15][16][17]. Different combinations of EPD deposition parameters have been applied by various authors to deposit TiO 2 thin films for applications in DSCs [18][19][20][21][22][23][24][25][26][27][28], in ceramic coatings [29][30][31][32] and biomedical applications [33][34][35].…”

Section: Introductionmentioning

confidence: 99%

Electrophoretic Deposition of Titanium Dioxide Thin Films for Photocatalytic Water Purification Systems

Nyongesa¹

2017

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Abstract:In this study, electrophoretic deposition (EPD) technique was used to deposit titanium dioxide (TiO 2 ) thin films on conducting glass substrates for application in water purification from organic contaminants. Phenol was used as a model pollutant. The EPD suspension related parameters and deposition conditions were first optimized for good quality film deposits. The suspension stability and deposition conditions that result in good adherence of TiO 2 particles to the substrate with homogeneous film coatings, is ethanol with a pH of 3.0, a TiO 2 solid loading of 4.0 wt%, a 0.2 wt% iodine concentration in the solvent and a deposition voltage of 20.0V in a time of 210.0s. The photocatalytic activity of TiO 2 thin films decreases exponentially with the ultraviolet light (UV) illumination time and it is also dependent on film thickness, sintering temperature and the intensity of the UV light. Highest rate of photocatalytic activity is observed at an optimal film thickness of 95.0 ± 2.0µm sintered at 300.0°C. The implications of these results are discussed for design of inexpensive waste water purification systems for light industries before discharge into the ecosystem.

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“…They have been exploited for use in gas sensors (Shishiyanu et al, 2005;Wang and Shadman, 2013), photocatalysts (Cao et al, 2005;Wu et al, 2011), and dye sensitized solar cells (DSSCs) (Yum et al, 2005;Zhang et al, 2009). The performance of these devices is determined by the crystallinity and the porosity of the films.…”

Section: Introductionmentioning

confidence: 99%

“…However, this method has concerns regarding composition limitations and process complexities. Another example is the deposition of colloidal nanoparticles onto the substrate by, for example, liquid coating or inkjet printing (Yum et al, 2005;Merrill and Sun, 2009). Because there are many kinds of colloidal nanoparticles, this process can facilitate porous films fabricated from many compositions.…”

Section: Introductionmentioning

confidence: 99%

Effects of Annealing on the Morphology and Porosity of Porous TiO<sub>2</sub> Films Fabricated by Deposition of Aerosol Nanoparticles

Kubo

Mantani

2015

J. Chem. Eng. Japan / JCEJ

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The present study investigates the impact of post annealing of TiO 2 nanoparticulate lms on their crystallinity, mechanical strength, and morphology. Non-agglomerated and amorphous TiO 2 nanoparticles of 46 nm diameter were synthesized in a plasma eld, and were subsequently deposited on substrates to form nanoparticulate lms. The lms were annealed at various temperatures in the range of 100-1,200°C. Phase transformations from amorphous-to-anatase and from anatase-to-rutile were observed at 400°C and at 1,000°C, respectively. The high rutile transformation temperature was considered to be due to a tensile eld induced by shrinkage of the lm. The as-deposited lm and the lms annealed at below 400°C had poor mechanical strength. Conversely, the lms annealed at over 500°C were strengthened by necking of the nanoparticles. The size of nanoparticles changed with increasing temperature. Annealing at 100-300°C caused the nanoparticles to shrink to approximately 30 nm. The nanoparticle diameters changed only slightly when annealed at 400-600°C because the annealing time was insu cient for changes to manifest. Annealing at 700-900°C caused the nanoparticle diameter to increase to approximately 50 nm because of sintering and coalescence of the nanoparticles. The diameter of the nanoparticles annealed at over 1,000°C became approximately 200 nm because of densi cation during the anatase-to-rutile transformation. The porosities of the lms annealed at below 900°C were over 80%. However, the porosities of the lms annealed at over 1,000°C decreased signi cantly due to densi cation.

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Electrophoretically deposited TiO2 photo-electrodes for use in flexible dye-sensitized solar cells

Cited by 105 publications

References 26 publications

Review of Recent Progress in Dye-Sensitized Solar Cells

Review of Recent Progress in Dye-Sensitized Solar Cells

Electrophoretic Deposition of Titanium Dioxide Thin Films for Photocatalytic Water Purification Systems

Effects of Annealing on the Morphology and Porosity of Porous TiO<sub>2</sub> Films Fabricated by Deposition of Aerosol Nanoparticles

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