Thermal expansion of calcium cobalt vanadate garnet, Ca2.5Co2V3O12

Kosyl, Katarzyna M.; Paszkowicz, W.; Minikayev, R.; Berkowski, M.; Czech, Marcin; Reszka, A.; Kilański, Ł.

doi:10.1016/j.jallcom.2018.11.258

Cited by 4 publications

(1 citation statement)

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“…Its d electrons are shared by the V atoms along the V atomic chains, resulting in its metallic behavior that is favorable for charge mobility. [31][32][33][34] Due to the chemical stability, eco-friendliness, cost-effectiveness, and excellent electrical conductivity, Co 2 VO 4 has gained considerable attention in the fields of energy storage and electrocatalysis, but relatively little interest in photocatalysis. [34][35][36] Given the narrow bandgap (<2 eV) and the high conduction band (CB) position of Co 2 VO 4 , it is a hopeful reduction photocatalyst with visible light response and strong reduction ability for CO 2 photoconversion.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Solar Fuel Production over In₂O₃@Co₂VO₄ Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

Deng,

Wen,

et al. 2023

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The conversion of CO2 into valuable solar fuels via photocatalysis is a promising strategy for addressing energy shortages and environmental crises. Here, novel In2O3@Co2VO4 hierarchical heterostructures are fabricated by in situ growing Co2VO4 nanorods onto In2O3 nanofibers. First‐principle calculations and X‐ray photoelectron spectroscopy (XPS) measurements reveal the electron transfer between In2O3 and Co2VO4 driven by the difference in work functions, thus creating an interfacial electric field and bending the bands at the interfaces. In this case, the photogenerated electrons in In2O3 transport to Co2VO4 and recombine with its holes, indicating the formation of In2O3@Co2VO4 S‐scheme heterojunctions and resulting in effective separation of charge carriers, as confirmed by in situ irradiation XPS. The unique S‐scheme mechanism, along with the enhanced optical absorption and the lower Gibbs free energy change for the production of *CHO, significantly contributes to the efficient CO2 photoreduction into CO and CH4 in the absence of any molecule cocatalyst or scavenger. Density functional theory simulation and in situ diffuse reflectance infrared Fourier transform spectroscopy are employed to elucidate the reaction mechanism in detail.

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Section: Introductionmentioning

confidence: 99%

Enhanced Solar Fuel Production over In₂O₃@Co₂VO₄ Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

Deng,

Wen,

et al. 2023

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Sintering behavior, phase composition, microstructure, and dielectric characteristics of garnet-type Ca3Fe2Ge3O12 microwave ceramics

Liu

Zhou

et al. 2023

Journal of Materiomics

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The crystal structure and thermal expansion of novel substitutionally disordered Ca₁₀TM_0.5(VO₄)₇ (TM = Co, Cu) orthovanadates

et al. 2021

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Thermal expansion of calcium cobalt vanadate garnet, Ca2.5Co2V3O12

Cited by 4 publications

References 45 publications

Enhanced Solar Fuel Production over In₂O₃@Co₂VO₄ Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

Enhanced Solar Fuel Production over In₂O₃@Co₂VO₄ Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

Sintering behavior, phase composition, microstructure, and dielectric characteristics of garnet-type Ca3Fe2Ge3O12 microwave ceramics

The crystal structure and thermal expansion of novel substitutionally disordered Ca₁₀TM_0.5(VO₄)₇ (TM = Co, Cu) orthovanadates

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Thermal expansion of calcium cobalt vanadate garnet, Ca2.5Co2V3O12

Cited by 4 publications

References 45 publications

Enhanced Solar Fuel Production over In2O3@Co2VO4 Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

Enhanced Solar Fuel Production over In2O3@Co2VO4 Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

Sintering behavior, phase composition, microstructure, and dielectric characteristics of garnet-type Ca3Fe2Ge3O12 microwave ceramics

The crystal structure and thermal expansion of novel substitutionally disordered Ca10TM0.5(VO4)7 (TM = Co, Cu) orthovanadates

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Enhanced Solar Fuel Production over In₂O₃@Co₂VO₄ Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

Enhanced Solar Fuel Production over In₂O₃@Co₂VO₄ Hierarchical Nanofibers with S‐Scheme Charge Separation Mechanism

The crystal structure and thermal expansion of novel substitutionally disordered Ca₁₀TM_0.5(VO₄)₇ (TM = Co, Cu) orthovanadates