Solar-Driven Photoelectrochemical Performance of Novel ZnO/Ag2WO4/AgBr Nanorods-Based Photoelectrodes

Mustafa, Elfatih; Adam, R.; Rouf, Polla; Willander, Magnus; Nur, Omer

doi:10.1186/s11671-021-03586-z

Cited by 4 publications

(6 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Adam et al reported about Ag/Ag 2 WO 4 as promising candidate for optimal use of sunlight, which provides a higher photocurrent of 3 mA cm −2 measured at 1.23 V (vs. Ag/AgCl) for ZnO/Ag/Ag 2 WO 4 , which is 3 times the photocurrent achieved by ZnO nanorods [115]. Mustafa, with co-authors, demonstrated the exploitation of nanoplasmonic Ag to prepare a photoanode of ZnO/Ag 2 WO 4 /AgBr, which exhibits a photocurrent density five times greater than bare ZnO nanorod-based photoanode (Figure 7) [116].…”

Section: Modification Of Zno For the Water-splitting Reactionmentioning

confidence: 90%

ZnO for Photoelectrochemical Hydrogen Generation

Bakranova,

Nagel

2023

Clean Technol.

View full text Add to dashboard Cite

The rise in the Earth’s surface temperature on an annual basis has stimulated scientific and engineering interest in developing and implementing alternative energy sources. Besides cost, the main requirements for alternative energy sources are renewability and environmental friendliness. A prominent representative that allows the production of “green” energy is the conversion of solar photons into a practical energy source. Among the existing approaches in solar energy conversion, the process of photoelectrochemical (PEC) hydrogen extraction from water, which mimics natural photosynthesis, is promising. However, direct decomposition of water by sunlight is practically impossible since water is transparent to light waves longer than 190 nm. Therefore, applying a photoelectrochemical process using semiconductor materials and organic compounds is necessary. Semiconductor materials possessing appropriately positioned valence and conduction bands are vital constituents of photoelectrodes. Certain materials exhibit semiconductor characteristics that facilitate the reduction-oxidation (RedOx) reaction of water (H2O) under specific circumstances. ZnO holds a unique position in the field of photocatalysis due to its outstanding characteristics, including remarkable electron mobility, high thermal conductivity, transparency, and more. This article offers an overview of studies exploring ZnO’s role as a photocatalyst in the generation of hydrogen from water.

show abstract

Section: Modification Of Zno For the Water-splitting Reactionmentioning

confidence: 90%

ZnO for Photoelectrochemical Hydrogen Generation

Bakranova,

Nagel

2023

Clean Technol.

View full text Add to dashboard Cite

show abstract

“…There has been extensive use of silver-based semiconductors such as silver bromide (AgBr), silver chloride (AgCl), and silver tungstate (Ag2WO4) in nanostructured materials (e.g., ZnO, CuO, Ta2O5, etc.) [92][93][94][95][96] in order to enhance their visible light response and charge separation, which is due to their surface plasmon resonance (SPR)…”

Section: Silver-based Semiconductorsmentioning

confidence: 99%

“…and other properties as listed in Table 2.9. The addition of silverbased semiconductors can be managed by different methods (e.g., SILAR, hydrothermal, precipitation) [93,[96][97][98]. preparation of colloidal particles such as silica, Au-silica-core-shell, and Au-metal particles.…”

Section: Silver-based Semiconductorsmentioning

confidence: 99%

See 1 more Smart Citation

Composite Nanostructured Materials for Renewable Energy Applications

Mustafa

2023

Linköping Studies in Science and Technology. Dissertations

View full text Add to dashboard Cite

Diverse sources of energy are becoming increasingly significant in today's world. The most common source of energy today is fossil fuels, such as coal, oil, and gas. While this energy source has many advantages, it also comes with many problems. In order to meet this demand, environmentally friendly and sustainable alternatives to energy are urgently needed. Renewable energy such as hydro, wind, photovoltaics, biomass, and geothermal is an attractive and promising kind of energy. Solar energy is among the most efficient, cleanest, and cheapest sources of energy. In this thesis, two photoprocesses are utilized to produce solar energy using nanostructured materials. One is photocatalysis, mainly photoelectrochemical (PEC) water splitting for hydrogen production and photodegradation of organic dyes, and another is a sunlight-powered photovoltaic cell.In this thesis, we aim to demonstrate optimized low-cost sustainable electrodes based on nanostructured materials for solar energy applications. For PEC water splitting two materials namely ZnO NRs and CuO NLs are fabricated by hydrothermal methods followed by deposition of different materials such as Ag2WO4 and AgBr. These materials show relatively high PEC water splitting efficiency using sunlight. Similarly, for the photodegradation of II organic dyes Ta2O5 is used with the addition of Ag/AgCl nanoparticles (Ag/AgCl NPs), which results in an effective plasmonic photocatalyst for the removal of water-soluble Congo red (CR) dye compounds. For high-efficiency solar cells two methods are applied. Firstly, a FDTD simulation method was applied to study the plasmon enhancement of light absorption from p-i-n junction GaAs nanowires. Secondly a study of anisotropic deformation of colloidal particles exposed to heavy ions irradiation. Finally, a novel low-cost template-assisted method was used in order to improve the alignment of ZnO NRs grown on Si substrates.

show abstract

“…41,42 In recent years, the deposition of silver tungsten oxide or silver tungstate (Ag 2 WO 4 ) nanoparticles by using a successive ionic layer adsorption and reaction (SILAR) method with various cycles onto metal oxide semiconductors with improved performance has been reported. [43][44][45][46][47] The SILAR method allows controlling the thickness of the deposition based on solution concentration and cycle number up to micrometers. 48 First, hydrothermal method was used to deposit nanoleaves of CuO.…”

Section: Introductionmentioning

confidence: 99%