Photogalvanic Cells, Principles and Perspectives

Halls, Jonathan E.; Wadhawan, Jay D.

doi:10.1007/978-1-4419-6996-5_521

Cited by 3 publications

(4 citation statements)

References 46 publications

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“…In some cases, it has proven difficult to distinguish this mechanism from the case where the excited state is the donor. 66 The second involves specific classes of dyes that form strong adducts that give rise to a new absorption band(s) due to direct charge transfer to the semiconductor. 67 While these latter two mechanisms are well documented in the dye-sensitization literature, they have received less mechanistic and practical attention over the last ten years.…”

Section: Characterizationmentioning

confidence: 99%

Dye-sensitized solar cells strike back

et al. 2021

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Section: Characterizationmentioning

confidence: 99%

Dye-sensitized solar cells strike back

et al. 2021

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“…13% . Photo-ionic cells are a novel type of solar energy conversion and storage device based on photogalvanic cells, − where the charge separation and storage of dyes undergoing photoreduction with the aqueous quencher is realized by transfer of reduced dyes into the organic solvent, , or immobilized in a solid support . However, some recent theoretical studies have questioned the structure-breaking effects of chaotropes …”

Section: Introductionmentioning

confidence: 99%

Effect of Chaotropes on the Transfer of Ions and Dyes across the Liquid–Liquid Interface

et al. 2018

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Chaotropes such as urea can break the structure of water, weakening the hydrophobic effect and reducing aggregation. Here, we investigated how the addition of urea affects the transfer of ions and cationic dyes across the interface between immiscible electrolyte solutions, both water-1,2-dichloroethane and water-trifluorotoluene. For most cations, their half-wave potential of transfer shifted toward more negative values, indicating that it is easier to transfer these ions from the aqueous phase with urea to the organic phase, showing that the addition of urea decreases the solvation of ions in the aqueous phase. However, the half-wave potentials for a series of cationic phenothiazine dyes shifted toward more positive potentials, indicating improved solvation in urea solution. The effect of urea was investigated also by differential capacitance and electrocapillary curves, as well as by molecular dynamics simulations. Finally, electrochemistry at liquid–liquid interfaces allows determination of the transfer energies of ions between water and aqueous solutions of urea via a thermodynamic cycle.

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“…However, the energy structure of the electrodes (i. e. conduction and valence bands) rectifies the charge transfer from the electrolyte to the electrodes. The mechanism of operation is shown in Figure 13c [63n] . Devices with different dye and semiconductor electrodes have been reported [63g,n] .…”

Section: Review Of Hybrid Cellsmentioning

confidence: 99%

“…The mechanism of operation is shown in Figure 13c [63n] . Devices with different dye and semiconductor electrodes have been reported [63g,n] . In a novel approach, Aljafari et al.…”

Section: Review Of Hybrid Cellsmentioning

confidence: 99%

A Critical Review on the Voltage Requirement in Hybrid Cells with Solar Energy Harvesting and Energy Storage Capability

Takshi

Aljafari

Kareri

et al. 2020

Batteries & Supercaps

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Energy storage is essential in many electrical and electronic applications powered through solar cells. This has motivated many research groups around the world to design single hybrid cells with the capability of both energy harvesting and charge storage. Despite the general perception of being able to make more compact and lower‐cost solar panels with hybrid cells, as compared to conventional energy systems with separated panels and batteries, there are drawbacks in the series connection of hybrid cells in a panel form. These drawbacks are discussed in this review. The focus of the current manuscript is on the application of single hybrid cells in low‐voltage and low‐power electronics and wearable electronics. The voltage requirements in those applications are discussed and two‐terminal and three‐terminal hybrid cells are reviewed. Promising technologies are highlighted in the conclusions.

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Photogalvanic Cells, Principles and Perspectives

Cited by 3 publications

References 46 publications

Dye-sensitized solar cells strike back

Dye-sensitized solar cells strike back

Effect of Chaotropes on the Transfer of Ions and Dyes across the Liquid–Liquid Interface

A Critical Review on the Voltage Requirement in Hybrid Cells with Solar Energy Harvesting and Energy Storage Capability

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