Well-aligned arrays of vertically oriented ZnO nanowires electrodeposited on ITO-coated glass and their integration in dye sensitized solar cells

Lupan, Oleg; Guérin, Victoire-Marie; Tiginyanu, I. M.; Ursaki, V. V.; Chow, Lee; Heinrich, Helge; Pauporté, Thierry

doi:10.1016/j.jphotochem.2010.02.004

Cited by 260 publications

(179 citation statements)

References 66 publications

Supporting

Mentioning

171

Contrasting

Order By: Relevance

“…The efficiency is similar than the performance reported in the literature for ZnO nanowires photoanodes 47 . Employing mesoporous films of zinc oxide and N719 dye, Chang et-al 48 reached 5,61 % of efficiency optimizing the thickness of the oxide film and the dye loading.…”

supporting

confidence: 86%

TEMPLATE ASSISTED ELECTRODEPOSITION OF HIGHLY ORIENTED ZnO NANOWIRE ARRAYS AND THEIR INTEGRATION IN DYE SENSITIZED SOLAR CELLS

Gómez

Cantillana

Cataño

et al. 2014

J. Chil. Chem. Soc.

View full text Add to dashboard Cite

Dye sensitized solar cell (DSSC) based on N719 dye sensitized zinc oxide nanowires prepared by template assisted electrodeposition was investigated. The morphology and crystalline structure of highly oriented nanowires were characterized by scannnig electron microscopy and X-ray diffraction, respectively. The photovoltaic performance of the DSSC was characterized at full sun intensity of 100 mW/cm 2 obtaining a shortcircuit current of 4.8 mA/cm 2 , an open circuit voltage of 0.64 V and energy conversion efficiency of 1.23 %.

show abstract

supporting

confidence: 86%

TEMPLATE ASSISTED ELECTRODEPOSITION OF HIGHLY ORIENTED ZnO NANOWIRE ARRAYS AND THEIR INTEGRATION IN DYE SENSITIZED SOLAR CELLS

Gómez

Cantillana

Cataño

et al. 2014

J. Chil. Chem. Soc.

View full text Add to dashboard Cite

show abstract

“…23 The defect emission is more than ten times weaker than the NBE peak, which demonstrates high material quality of the solution-synthesized ZnO nanowires in good agreement with previous studies. 7,23 …”

Section: Nanowire Synthesis and Characterizationmentioning

confidence: 99%

“…6 One particular advantage of ZnO nanowires is that it is a low-cost material that can be solution-synthesized on a vast variety of substrates. [7][8][9] A giant photoconductive gain of 10 8 leading to very high detector responsivity has been reported in single nanowire ZnO photodetectors and attributed to hole trapping at the nanowire surface due to oxygen chemisorption. 10 It has been demonstrated that the nanowire surface passivation allows to reach high detectivity values, while maintaining high responsivity of the detector.…”

Section: Introductionmentioning

confidence: 99%

Characterization and modeling of a ZnO nanowire ultraviolet photodetector with graphene transparent contact

Zhang

Babichev

Jacopin

et al. 2013

Journal of Applied Physics

Self Cite

113

View full text Add to dashboard Cite

We report the demonstration of a ZnO nanowire ultraviolet photodetector with a top transparent electrode made of a few-layered graphene sheet. The nanowires have been synthesized using a lowcost electrodeposition method. The detector is shown to be visible-blind and to present a responsivity larger than 10 4 A/W in the near ultraviolet range thanks to a high photoconductive gain in ZnO nanowires. The device exhibits a peak responsivity at 370 nm wavelength and shows a sub bandgap response down to 415 nm explained by an Urbach tail with a characteristic energy of 83 meV. The temporal response of the detector and the power dependence are discussed. A model of the photoconductive mechanism is proposed showing that the main process responsible for the photoconductive gain is the modulation of the conducting surface due to the variation of the surface depletion layer and not the reduction of recombination efficiency stemming from the electron-hole spatial separation. The gain is predicted to decrease at high incident power due to the flattening of the lateral band bending in agreement with experimental data. V C 2013 AIP Publishing LLC.

show abstract

“…The other observed orientations, originated in the beginning of the deposition, are impeded to continue growing whereas it is favored the growth of NWs aligned perpendicularly to the substrate [25]. Furthermore, the (002) diffraction peak has a relative higher intensity for the NWs than for the TFs (Fig.…”

Section: Chemical Composition and Microstructurementioning

confidence: 98%

Comparative study on the properties of ZnO nanowires and nanocrystalline thin films

Broitman

Bojorge

Elhordoy³

et al. 2012

Surface and Coatings Technology

View full text Add to dashboard Cite

The microstructural, morphological, optical and water-adsorption properties of nanocrystalline ZnO thin films and ZnO nanowires were studied and compared. The ZnO thin films were obtained by a sol–gel process, while the ZnO nanowires were electrochemically grown onto a ZnO sol–gel spin-coated seed layer. Thin films and nanowire samples were deposited onto crystalline quartz substrates covered by an Au electrode, able to be used in a quartz crystal microbalance. X-ray diffraction measurements reveal in both cases a typical diffraction pattern of ZnO wurtzite structure. Scanning electron microscopic images of nanowire samples show the presence of nanowires with hexagonal sections, with diameters ranging from 30 to 90 nm. Optical characterization reveals a bandgap energy of 3.29 eV for the nanowires and 3.35 eV for the thin films. A quartz crystal microbalance placed in a vacuum chamber was used to quantify the amount and kinetics of water adsorption onto the samples. Nanowire samples, which have higher surface areas than the thin films, adsorb significantly more water

show abstract

Well-aligned arrays of vertically oriented ZnO nanowires electrodeposited on ITO-coated glass and their integration in dye sensitized solar cells

Cited by 260 publications

References 66 publications

TEMPLATE ASSISTED ELECTRODEPOSITION OF HIGHLY ORIENTED ZnO NANOWIRE ARRAYS AND THEIR INTEGRATION IN DYE SENSITIZED SOLAR CELLS

TEMPLATE ASSISTED ELECTRODEPOSITION OF HIGHLY ORIENTED ZnO NANOWIRE ARRAYS AND THEIR INTEGRATION IN DYE SENSITIZED SOLAR CELLS

Characterization and modeling of a ZnO nanowire ultraviolet photodetector with graphene transparent contact

Comparative study on the properties of ZnO nanowires and nanocrystalline thin films

Contact Info

Product

Resources

About