Dual-functional zinc oxide aggregates with reaction time-dependent morphology as the dye-adsorption layer for dye-sensitized solar cells

Chang, Wei‐Chen; Lin, Lu‐Yin; Yu, Wan-Chin

doi:10.1016/j.jelechem.2015.09.028

Cited by 7 publications

(3 citation statements)

References 36 publications

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“…The fabricated solar devices were tested under standard testing conditions; the photocurrent density-voltage (J-V ) curves are illustrated in figure 8, while the output electrical parameters are summarized in table 3. The performance of the DSSC is dependent on the ZnO surface, structure, porosity for dye absorption, and shape and size of particles [57]. The highest PCE was observed for SZD-3 dye, with a V oc of 0.510 V and a J sc of 4.76 mA cm −2 .…”

Section: Resultsmentioning

confidence: 99%

Performance evaluation of ruthenium complexes and organic sensitizers in ZnO-based dye-sensitized solar cells

Ayub,

Shahzad,

Javed

et al. 2024

Eng. Res. Express

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Ruthenium (Ru) dyes are a well-known player in the field of dye-sensitized solar cells (DSSCs) due to their high efficiency and excellent stability. Their properties and complexes have been studied for almost three decades. Although these sensitizers show better performances, their high cost makes these third-generation solar devices less economical. Organic dyes have recently been explored as an alternative to Ru-based dyes due to their easy and low-cost synthesis. A comparative performance evaluation of Ru complexes and dicyanoisophorone and rhodanine organic dyes in ZnO-based DSSCs is here reported. All the Ru complexes showed better performance in comparison to organic dyes except R-4. Among the Ru sensitizers, R-3 exhibited the highest efficiency of 1.21% followed by R-2, which is attributed to the presence of several anchoring groups such as carboxyl, nitro and amine. However, the presence of more nitrogen-based groups has drastically reduced the performance as observed for R-4, which is the least performing dye among the Ru-based ones. On the contrary, organic sensitizers S-06 and P-4 revealed to be less efficient with respect to R-3 owing to the presence of only one anchoring group and weak photoanode/dye interaction.

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Section: Resultsmentioning

confidence: 99%

Performance evaluation of ruthenium complexes and organic sensitizers in ZnO-based dye-sensitized solar cells

Ayub,

Shahzad,

Javed

et al. 2024

Eng. Res. Express

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“…Figure 5(d) displays the comparison of Incidence Photon to Current Conversion Efficiency (IPCE) of undoped and 5 % Ag‐doped DSSCs constructed with electrochemical method counter electrode as a function of the wavelength from 380–680 nm range. IPEC is calculated at each excitation wavelength by using Equation 8. [60]

true normalI normalP normalC normalE (() %) = 1240 ((), \frac{J_{s c}}{λ . P_{i n}})

…”

Section: Resultsmentioning

confidence: 99%

Enhancing the Efficiency of Dye‐Sensitized Solar Cells (DSSCs) by Nanostructured Ag‐doped ZnO Electrodes

Rathnasekara

Hari

2022

ChemistrySelect

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Silver (Ag) ‐ doped ZnO nanoparticles (0 % to 20 %) were synthesized by the microwave method. The structural, optical, and electrochemical properties were observed through Transmission Electron Microscopy (TEM), X‐ray Diffraction (XRD), Energy Dispersive X‐ray (EDX), UV‐Visible spectroscopy, Photoluminescence, and Cyclic‐Voltammetry (C−V) techniques. The platinum metal counter electrode was replaced by using dip coating, spin coating, and electrochemical method electrodes. The best current‐voltage performance was exhibited by the 5 % Ag‐doped ZnO DSSCs constructed by the electrochemical method counter electrode with a conversion efficiency (η) of 6.19 %, open‐circuit voltage (Voc) of 0.58 V, short circuit current density (Jsc) of 19.12 mA/cm2 and fill factor of 55.08 %. This performance is superior to the counter electrodes made from the spin coating (1.45 %) and dip coating (0.91 %). The higher catalytic behavior of the electrochemical method counter electrode and appearing plasmons peaks in all Ag‐doped ZnO nanoparticles influence the enhancement of current density and overall conversion efficiency.

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“…IPCE is defined as the total number of collected charge carriers (electrons) per incident photon. IPCE is evaluated by measuring the short circuit current density ( sc ) at different wavelengths ( ) within the spectrum using [38] IPCE (%) = 1240 ( where is the wavelength, sc is short circuit current density (mA/cm 2 ), and in is the incident radiative power (mW/cm 2 ). Figure 11 shows the comparison of IPCE spectra for ZnO based DSSCs fabricated from polymer dye A (dil.…”

Section: Ipce Spectra Of Hybrid Zno Based Dsscsmentioning

confidence: 99%

Efficiency Investigations of Organic/Inorganic Hybrid ZnO Nanoparticles Based Dye-Sensitized Solar Cells

Singh

Kaur

2016

Journal of Materials

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The present research study focuses upon the synthesis, characterization, and performances of optoelectronic properties of organicinorganic (hybrid) ZnO based dye sensitized solar cells. Initially, polymer dye A was synthesized using condensation reaction between 2-thiophenecarboxaldehyde and polyethylenimine and was capped to ZnO nanoparticles. Size and morphology of polymer dye A capped ZnO nanoparticles were analyzed using DLS, SEM, and XRD analysis. Further, the polymer dye was added to ruthenium metal complex (RuCl 3 ) to form polymer-ruthenium composite dye B. Absorption and emission profiles of polymer dye A and polymer-ruthenium composite dye B capped ZnO nanoparticles were monitored using UV-Vis and fluorescence spectroscopy. Polymer dye A and polymer-ruthenium composite dye B capped ZnO nanoparticles were further processed to solar cells using wet precipitation method under room temperature. The results of investigations revealed that, after addition of ruthenium chloride (RuCl 3 ) metal complex dye, the light harvesting capacity of ZnO solar cell was enhanced compared to polymer dye A capped ZnO based solar cell. The polymer-ruthenium composite dye B capped ZnO solar cell exhibited good photovoltaic performance with excellent cell parameters, that is, exciting open circuit voltage ( oc ) of 0.70 V, a short circuit current density ( sc ) of 11.6 mA/cm 2 , and a fill factor (FF) of 0.65. A maximum photovoltaic cell efficiency of 5.28% had been recorded under standard air mass (AM 1.5) simulated solar illuminations for polymer-ruthenium composite dye B based hybrid ZnO solar cell. The power conversion efficiency of hybrid ZnO based dye sensitized solar cell was enhanced by 1.78% and 3.88% compared to polymer dye A (concentrated) and polymer dye A (diluted) capped ZnO based dye sensitized solar cells, respectively. The hybrid organic/inorganic ZnO nanostructures can be implemented in a variety of optoelectronic applications in the future of clean and green technology.

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Dual-functional zinc oxide aggregates with reaction time-dependent morphology as the dye-adsorption layer for dye-sensitized solar cells

Cited by 7 publications

References 36 publications

Performance evaluation of ruthenium complexes and organic sensitizers in ZnO-based dye-sensitized solar cells

Performance evaluation of ruthenium complexes and organic sensitizers in ZnO-based dye-sensitized solar cells

Enhancing the Efficiency of Dye‐Sensitized Solar Cells (DSSCs) by Nanostructured Ag‐doped ZnO Electrodes

Efficiency Investigations of Organic/Inorganic Hybrid ZnO Nanoparticles Based Dye-Sensitized Solar Cells

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