Decorating Cu2O with Ni-doped metal organic frameworks as efficient photocathodes for solar water splitting

Yu, Run; Chen, Qianqiao; Li, Wenhua; Yu, Xinyuan; Zhong, Qin

doi:10.1016/j.ijhydene.2023.01.145

Cited by 7 publications

(3 citation statements)

References 51 publications

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“…The sequences not classified as either clade I or II remained annotated as unclassified nosZ . Data processing was performed using RStudio v22.0.3 86 with R v4.2.2 87 , and the plyr v1.8.8 98 , tidyverse v2.0.0 99 , readxl v1.4.2 100 , data.table v1.15.0 101 , aplot v0.2.2 102 and reshape2 v1.4.4 103 packages.…”

Section: Methodsmentioning

confidence: 99%

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Long-term multi-meta-omics resolves the ecophysiological controls of seasonal N₂O emissions

Roothans,

Pabst,

Menno

et al. 2024

Preprint

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The potent greenhouse gas nitrous oxide (N2O) originates primarily from natural and engineered microbiomes. Emission seasonality is widely reported while the underlying metabolic controls remain largely unresolved, hindering effective mitigation. We use biological wastewater treatment as tractable model ecosystem over nearly two years. Long-term metagenomic-resolved metaproteomics is combined with ex situ kinetic and full-scale operational characterization. By leveraging the evidence independently obtained at multiple ecophysiological levels, from individual genetic potential to actual metabolism and emergent community phenotype, the cascade of environmental and operational triggers driving N2O emissions is resolved. We explain the dynamics in nitrite accumulation with the kinetic unbalance between ammonia and nitrite oxidisers, and identify nitrifier denitrification as the prime N2O-producing pathway. The dissolved O2emerged as the key actionable parameter for emission control. This work exemplifies the yet-to-be-realized potential of multi-meta-omics approaches for the mechanistic understanding and ecological engineering of microbiomes, ultimately advancing sustainable biotechnological developments.

show abstract

Section: Methodsmentioning

confidence: 99%

“…S17). Data processing was performed using RStudio v22.0.3 86 with R v4.2.2 87 , and the plyr v1.8.8 98 , tidyverse v2.0.0 99 , readxl v1.4.2 100 , data.table v1.15.0 101 , aplot v0.2.2 102 , reshape2 v1.4.4 103 and matrixStats v1.2.0 106 packages.…”

Section: Methodsmentioning

confidence: 99%

Long-term multi-meta-omics resolves the ecophysiological controls of seasonal N₂O emissions

Roothans,

Pabst,

Menno

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…In the literature, the various semiconductors have been studied in the production of photoelectrochemical hydrogen gas such as ZnO [ 10 , 11 ], WO 3 [ 12 , 13 ], Cu 2 O [ 14 , 15 ], CuO [ 16 – 18 ], and TiO 2 [ 19 – 22 ]. TiO 2 , an n-type semiconductor, is widely preferred because it can be easily synthesized, modified in various morphologies, is chemically stable and is eco-friendly [ 23 ].…”

Section: Introductionmentioning

confidence: 99%

Architecture design of TiO2 with Co-doped CdS quantum dots photoelectrode for water splitting

TEZCAN,

AHMAD,

KARDAŞ

2023

Turkish Journal of Chemistry

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Photoelectrochemical hydrogen production is a critical key to solving the carbon-zero goal of countries due to renewable sources of solar light and combustion products of hydrogen-only water. Here, an architecture design for an n-type nano rosettes-rod TiO 2 (RT) surface using CdS and Co-doped CdS quantum dots (QDs) is carried out utilizing the SILAR (simple ionic layer adsorption and reaction) method. Furthermore, the photocatalytic behaviour of Co-doped CdS QDs SILAR cycles deposition is investigated in various cycles, including 5, 8, 10, and 12. The FESEM, Raman XRD, Uv-Vis spectrometer, and vibration modes are used to evaluate the photoelectrode surface structure, crystal structure, and solar light absorption, respectively. FESEM images and XRD pattern revealed successive CdS QDS and Co-doped CdS QDs deposition on the RT boundary and rising SILAR cycles of Co-doped CdS QDs lead to further coverage of RT surface. UV-vis spectrometer indicated shifting solar light absorption to the visible region by applying more SILAR cycles of Co-doped CdS QDs deposition. The electrochemical parameters obtained from EIS showed total polarization resistance (R p ) of the RT electrode dramatically decreased with 10 SILAR cycle Co-doped CdS QDs deposition (5093 Ω cm 2 and 617 Ω cm 2 ). Linear sweep voltammetry (LSV) and chronoamperometric photocatalytic performance measurements indicated Co-doped CdS QDs on RT extremely enhanced photoresponse under solar irradiation and 10 SILAR cycle Co-doped CdS QDs improved photocurrent density about fourfold according to blank RT electrode.

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In-situ reconstructed Cu/Cu2O heterogeneous nanorods with oxygen vacancies for enhanced electrocatalytic nitrate reduction to ammonia

Shi,

Li,

et al. 2024

Chemical Engineering Journal

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Decorating Cu2O with Ni-doped metal organic frameworks as efficient photocathodes for solar water splitting

Cited by 7 publications

References 51 publications

Long-term multi-meta-omics resolves the ecophysiological controls of seasonal N₂O emissions

Long-term multi-meta-omics resolves the ecophysiological controls of seasonal N₂O emissions

Architecture design of TiO2 with Co-doped CdS quantum dots photoelectrode for water splitting

In-situ reconstructed Cu/Cu2O heterogeneous nanorods with oxygen vacancies for enhanced electrocatalytic nitrate reduction to ammonia

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Decorating Cu2O with Ni-doped metal organic frameworks as efficient photocathodes for solar water splitting

Cited by 7 publications

References 51 publications

Long-term multi-meta-omics resolves the ecophysiological controls of seasonal N2O emissions

Long-term multi-meta-omics resolves the ecophysiological controls of seasonal N2O emissions

Architecture design of TiO2 with Co-doped CdS quantum dots photoelectrode for water splitting

In-situ reconstructed Cu/Cu2O heterogeneous nanorods with oxygen vacancies for enhanced electrocatalytic nitrate reduction to ammonia

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Resources

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Long-term multi-meta-omics resolves the ecophysiological controls of seasonal N₂O emissions

Long-term multi-meta-omics resolves the ecophysiological controls of seasonal N₂O emissions