Recent progress in material selection and device designs for photoelectrochemical water-splitting

Hamdani, Iqra Reyaz; Bhaskarwar, Ashok N.

doi:10.1016/j.rser.2020.110503

Cited by 81 publications

(33 citation statements)

References 190 publications

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“…During the past decade, tremendous efforts have been devoted to the design and development of new photo(electro) catalysts with excellent activity for photocatalytic and photoelectrochemical water splitting. [8][9][10][11][12][13][14][15][16][17] The photo(electro)catalytic activity is determined by two factors, the number of active sites and the intrinsic activity of each active site. 18,19 These two factors can be simultaneously enhanced by reducing the particle sizes of photo(electro)catalysts, increasing the number of active sites by using a high-surface-area substrate and enhancing the intrinsic activity of active sites by tailoring the electronic structure and surface properties based on the quantum-size effect.…”

Section: Introductionmentioning

confidence: 99%

Single-atom catalysts for high-efficiency photocatalytic and photoelectrochemical water splitting: distinctive roles, unique fabrication methods and specific design strategies

Liu

Ran

et al. 2022

J. Mater. Chem. A

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Section: Introductionmentioning

confidence: 99%

Single-atom catalysts for high-efficiency photocatalytic and photoelectrochemical water splitting: distinctive roles, unique fabrication methods and specific design strategies

Liu

Ran

et al. 2022

J. Mater. Chem. A

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“…The operation of the photoelectrochemical devices used for water splitting is based on the electron-hole separation with the additional oxygen or hydrogen evolution half-reactions. The reduction and oxidation half-reactions occur on the cathode and anode surfaces, respectively, in an aqueous electrolyte, which closes the current circuit between the electrodes [ 1 , 2 , 3 ]. The idea is analogous to that underlying the electric current generation under the action of solar radiation [ 4 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Broadband Tamm Plasmons in Chirped Photonic Crystals for Light-Induced Water Splitting

et al. 2022

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An electrode of a light-induced cell for water splitting based on a broadband Tamm plasmon polariton localized at the interface between a thin TiN layer and a chirped photonic crystal has been developed. To facilitate the injection of hot electrons from the metal layer by decreasing the Schottky barrier, a thin n-Si film is embedded between the metal layer and multilayer mirror. The chipping of a multilayer mirror provides a large band gap and, as a result, leads to an increase in the integral absorption from 52 to 60 percent in the wavelength range from 700 to 1400 nm. It was shown that the photoresponsivity of the device is 32.1 mA/W, and solar to hydrogen efficiency is 3.95%.

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“…It should be noted that there are other ways to produce hydrogen using solar energy [18]. In addition to the photocatalytic method, photoelectrochemical water splitting [19] and electrolysis techniques [20] have also been used to produce hydrogen. Photocatalytic hydrogen evolution is preferred, due to the corrosive nature of water electrolysis.…”

Section: Introductionmentioning

confidence: 99%

Hydrogen evolution via noble metals based photocatalysts: A review

et al. 2021

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In recent decades, the use of photocatalysts in the evolution of hydrogen (H2) has received much attention. However, the use of the well-known titanium oxide and another photocatalyst as a base for noble metals is limited due to their major weakness in electron-hole pair separation. The use of cocatalysts can be a good way to overcome this problem and provide better performance for the evolution of hydrogen. In this review, suitable high-efficiency cocatalysts for solar hydrogen production have been thoroughly reviewed. New strategies and solutions were examined in terms of increasing the recombination of charge carriers, designing reactive sites, and enhancing the wavelengths of light absorption. Several new types of cocatalysts based on semiconductors in noble groups and dual metals have been evaluated. It is expected that these photocatalysts will be able to reduce the activation energy of reaction and charge separation. In this regard, the existing views and challenges in the field of photocatalysts are presented. The characteristics of monoatomic photocatalysts are reviewed in this manuscript and the latest advances in this field are summarized. Further, the future trends and upcoming research are also briefly discussed. Finally, this review presents noble metal-based photocatalysts for providing suitable photocatalysts on a larger scale and improving their applicability.

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Recent progress in material selection and device designs for photoelectrochemical water-splitting

Cited by 81 publications

References 190 publications

Single-atom catalysts for high-efficiency photocatalytic and photoelectrochemical water splitting: distinctive roles, unique fabrication methods and specific design strategies

Single-atom catalysts for high-efficiency photocatalytic and photoelectrochemical water splitting: distinctive roles, unique fabrication methods and specific design strategies

Broadband Tamm Plasmons in Chirped Photonic Crystals for Light-Induced Water Splitting

Hydrogen evolution via noble metals based photocatalysts: A review

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