Effect of cerium ion modifications on the photoelectrochemical properties of TiO2-based dye-sensitized solar cells

Xing, Guangyu; Zhang, Zige; Qi, Shibo; Zhou, Ge; Zhang, Kaiyue; Cui, Zijian; Feng, Yaqing; Shan, Zhongqiang; Meng, Shuxian

doi:10.1016/j.optmat.2017.10.006

Cited by 14 publications

(2 citation statements)

References 42 publications

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“…It is evident that dopant materials narrow the bandgap and increase the charge traps of TiO 2 and hence modify the properties, such as conduction band energy, charge transport, recombination and collection of charge carriers [13]. Different dopants, such as transition metals, alkali earth metals [14,15], non-metals [16,17], and rare earth elements [14,18], have been employed; but the incorporation of transition metals into TiO 2 gives rise to the formation of a wide range of new energy levels arising from the partially filled d-orbitals of transition metals close to the conduction band (CB) of TiO 2 , that leads to a reduction in the bandgap and enhancement in harvesting visible light. This makes transition metals suitable for tuning the CB structure [13].…”

Section: Introductionmentioning

confidence: 99%

Ruthenium (Ru) Doped Titanium Dioxide (P25) Electrode for Dye Sensitized Solar Cells

Rajaramanan

Muthukumarasamy²,

Ravirajan

et al. 2020

Energies

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In this study, P25-titanium dioxide (TiO2) was doped with ruthenium (Ru) by systematically varying the Ru content at 0.15, 0.30, 0.45 and 0.6 mol%. The synthesized Ru-doped TiO2 nanomaterials have been characterized by X-ray diffraction (XRD), Raman spectroscopy, energy-dispersive X-ray (EDX) analysis, UV-visible (UV–Vis) spectroscopy, and electrochemical impedance (EIS) spectroscopy. The XRD patterns of undoped and Ru-doped TiO2 nanomaterials confirm the presence of mixed anatase and rutile phases of TiO2 while EDX spectrum confirms the presence of Ti, O and Ru. Further, UV-visible absorption spectra of doped TiO2 nanomaterial reveal a slight red shift on Ru-doping. The short circuit current density (JSC) of the cells fabricated using the Ru-doped TiO2 photoanode was found to be dependent on the amount of Ru present in TiO2. Optimized cells with 0.3 mol% Ru-doped TiO2 electrodes showed efficiency which is 20% more than the efficiency of the control cell (η = 5.8%) under stimulated illumination (100 mWcm−2, 1 sun) with AM 1.5 filter. The increase in JSC resulted from the reduced rate of recombination upon doping of Ru and this was confirmed by EIS analysis.

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Section: Introductionmentioning

confidence: 99%

Ruthenium (Ru) Doped Titanium Dioxide (P25) Electrode for Dye Sensitized Solar Cells

Rajaramanan

Muthukumarasamy²,

Ravirajan

et al. 2020

Energies

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“…According to another recent report, Xing et al observed that 0.050 g‐Ce/TiO 2 as photoanode material shows maximum energy conversion efficiency in DSSCs, in comparison to pristine TiO 2 and TiO 2 samples with different Ce%. Along with that Xing et al also tried to optimize doping percentage of Ce, which can enhance the performance of DSSCs without increasing cost …”

Section: Re‐doped Tio2 For Spectral Conversionmentioning

confidence: 99%

A review on spectral converting nanomaterials as a photoanode layer in dye‐sensitized solar cells with implementation in energy storage devices

et al. 2020

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The present review article aims at the application of rare-earth-based titanium dioxide nanocrystals as spectral converters in photovoltaic devices, with special focus on dye-sensitized solar cells (DSSCs). Additionally, the implementation of DSSCs in energy storage, more importantly, DSSCs and lithium-ion batteries (LIB) integrated devices are systematically described. The absorption in DSSCs is mainly confined to the visible solar spectrum, which is one of the main reasons behind its limited power conversion efficiency. This has led to shifting of research focus on broadening the light absorption range of DSSCs, which can further lead to enhancement in overall power conversion efficiency. TiO 2 , doped with rare-earth (RE) ions, is often used as an electron transport layer (ETL) in DSSCs to overcome this absorption-related issue. This article gives a detailed review of TiO 2 doped with different RE ions, as an electron transport layer in DSSCs. More importantly, we have summarized all the recent important findings with the application of DSSCs in LIB and photocapacitors. K E Y W O R D S DSSCs, efficiency, electron transport layer, energy storage, photovoltaics, rare-earth 1 | OBJECTIVES • The main objective of this review article is to provide an overview of TiO 2 -based photoanode layer used in dye-sensitized solar cells (DSSCs).

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Carbon Nanotubes‐Based Nanocomposite as Photoanode

Cagnani

Joshi

Shimizu

2019

Interfacial Engineering in Functional Materials for Dye‐Sensitized Solar Cells

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Effect of cerium ion modifications on the photoelectrochemical properties of TiO2-based dye-sensitized solar cells

Cited by 14 publications

References 42 publications

Ruthenium (Ru) Doped Titanium Dioxide (P25) Electrode for Dye Sensitized Solar Cells

Ruthenium (Ru) Doped Titanium Dioxide (P25) Electrode for Dye Sensitized Solar Cells

A review on spectral converting nanomaterials as a photoanode layer in dye‐sensitized solar cells with implementation in energy storage devices

Carbon Nanotubes‐Based Nanocomposite as Photoanode

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