Black phosphorus/Bi19Br3S27 van der Waals heterojunctions ensure the supply of activated hydrogen for effective CO2 photoreduction

Review Chemistry, Multidisciplinary

Solar fuels: research and development strategies to accelerate photocatalytic CO2 conversion into hydrocarbon fuels

Eunhee Gong et al.

Summary: This review highlights recent advances, challenges, and potential solutions in photocatalytic production of solar fuels from CO2, including discussions on various catalysts and reaction mechanisms.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Chemistry, Physical

Stacking Engineering of Semiconductor Heterojunctions on Hollow Carbon Spheres for Boosting Photocatalytic CO2 Reduction

Xingwei Zhang et al.

Summary: The fabrication of semiconductor heterojunctions into hollow nanostructures can enhance the photocatalytic performance, but also faces challenges. In this study, a stacking design of semiconductor heterojunctions on hollow carbon spheres is reported, which significantly improves the photocatalytic activity in CO2-to-CO conversion. The design utilizes the advantages of hollow carbon, such as improved light harvesting, promoted charge separation, increased CO2 adsorption, and protected CdS from photocorrosion. The design can be extended to other semiconductor heterojunctions.

ACS CATALYSIS (2022)

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Article Chemistry, Physical

Synergistic enhancement of photocatalytic CO2 reduction by plasmonic Au nanoparticles on TiO2 decorated N-graphene heterostructure catalyst for high selectivity methane production

Khaja Mohaideen Kamal et al.

Summary: In this study, the synthesis and photo catalytic performance of a heterostructure catalyst, ANGT2, consisting of plasmonic gold nanoparticles deposited on TiO2-decorated N-doped graphene, were illustrated. The ANGT2 catalyst demonstrated remarkably enhanced CO2 reduction activity with high selectivity for methane production, achieving the highest reported PCO2R rate under comparable conditions. This superior performance can be attributed to the improved light absorbance, enhanced CO2 uptake, improved charge transfer kinetics, and efficient suppression of photogenerated recombination rate facilitated by the seamless interfacial contact between the components.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Chemistry, Physical

Recovering solar fuels from photocatalytic CO2 reduction over W6+-incorporated crystalline g-C3N4 nanorods by synergetic modulation of active centers

Yujie Liang et al.

Summary: In this study, tungsten-doped graphitic carbon nitride (CCN-W) was developed as a catalyst for photocatalytic CO2 conversion. The introduction of W-N-6 as multifunctional active sites significantly enhanced the CO2 reduction rate and selectivity to hydrocarbons. This study provides new insight into modulating CCN photocatalysts for efficient and selective CO2 reduction.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Engineering, Environmental

Unveiling the effect of interstitial dopants on CO2 activation over CsPbBr3 catalyst for efficient photothermal CO2 reduction

Hui Bian et al.

Summary: Doping CsPbBr3 with Cu ions can enhance the efficiency of CO2 activation for photothermal CO2 reduction, leading to improved CH4 selectivity and production activity. The Cu dopants not only suppress charge carrier recombination, but also modulate surface sites for better adsorption and activation of CO2 molecules, facilitating easier CO2 dissociation.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

Van der waals heterostructures by single cobalt sites-anchored graphene and g-C3N4 nanosheets for photocatalytic syngas production with tunable CO/H2 ratio

Jie Jiang et al.

Summary: This study demonstrates that incorporating reduced graphene oxide with graphitic carbon nitride to form van der Waals heterostructures significantly enhances the efficiency of photocatalytic CO2 reduction and allows for control over the ratio of CO/H2 in the produced syngas. Adjusting the content of graphene provides tunability in the catalytic system.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

A novel amorphous alloy photocatalyst (NiB/In2O3) composite for sunlight-induced CO2 hydrogenation to HCOOH

Jiehong He et al.

Summary: A novel catalyst was developed by combining NiB amorphous alloy with In2O3 semiconductor, achieving high efficiency in CO2 hydrogenation under sunlight irradiation. This catalyst enhanced the quantum efficiency of photocatalytic CO2 hydrogenation by providing rich interfaces, promoting surface reactions, and facilitating CO2 hydrogenation through various mechanisms.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

In situ cofactor regeneration enables selective CO2 reduction in a stable and efficient enzymatic photoelectrochemical cell

Kaiqi Xu et al.

Summary: This study achieved stable and efficient reduction of CO2 to formate in a bio-hybrid PEC cell using a novel cathode and efficient regeneration mechanism, approaching the efficiency of natural photosynthesis.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Multidisciplinary Sciences

Boosting thermo-photocatalytic CO2 conversion activity by using photosynthesis-inspired electron-proton-transfer mediators

Yingxuan Li et al.

Summary: Mimicking natural photosynthesis using plasmonic Bi as an electron-proton-transfer mediator can effectively convert CO2 to CO. The two-step strategy avoids O-2 separation and enables a high CO production efficiency without sacrificial reagents. The use of a single catalyst to spatially and temporally separate hydrogen splitting and CO2 reduction reactions in the CO2-to-CO conversion process remains a challenge, but the authors have successfully demonstrated this using a Bi catalyst.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Physical

Surface Local Polarization Induced by Bismuth-Oxygen Vacancy Pairs Tuning Non-Covalent Interaction for CO2 Photoreduction

Jun Di et al.

Summary: By engineering atomic level bismuth-oxygen vacancy pairs into Bi24O31Br10 (BOB) atomic layers, a local polarization field is created to facilitate charge separation and CO2 activation. The tuned surface atomic structures enable the formation of stable intermediates, leading to an enhanced CO2 photoreduction efficiency. This work provides new insights for the design of vacancy pairs to optimize the reaction process and improve catalytic activity.

ADVANCED ENERGY MATERIALS (2021)

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Article Nanoscience & Nanotechnology

Enhanced Photocatalytic CO2 Reduction with Photothermal Effect by Cooperative Effect of Oxygen Vacancy and Au Cocatalyst

Songcai Cai et al.

Summary: This study successfully enhanced CO2 reduction activity and CH4 selectivity by introducing oxygen vacancies and metallic Au nanoparticles into mesoporous TiO2 nanospheres, demonstrating the potential of combining photocatalysis with photothermal effect in CO2 reduction.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Fabrication of Black In2O3 with Dense Oxygen Vacancy through Dual Functional Carbon Doping for Enhancing Photothermal CO2 Hydrogenation

Yuhang Qi et al.

Summary: In this study, carbon-doped In2O3 was shown to possess full-spectral and high-intensity light absorption, achieving effective light-to-thermal conversion for CO2 reduction with high gas generation rate and stability.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Physical

Van der Waals heterojunction for selective visible-light-driven photocatalytic CO2 reduction

Jun Li et al.

Summary: In this study, atomically thin carbon nitride (CN) coupled with Bi9O2.5S6 (BOS) nanoplates to form a 2D/2D Van der Waals heterojunction for CO2 photocatalytic reduction, achieving a high CO generation rate. The 2D/2D VDW heterojunction can adsorb CO* more strongly on BOS than CN, leading to hydrogenation before desorption and explaining the product selectivity.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Multidisciplinary

Interfacial Engineering of Bi19Br3S27 Nanowires Promotes Metallic Photocatalytic CO2 Reduction Activity under Near-Infrared Light Irradiation

Jun Li et al.

Summary: Developing a high-efficiency sulfur-based NIR photocatalyst, V-Bi19Br3S27, with significant NIR light response, for converting CO2 into CH3OH shows promising results for achieving carbon neutralization through photon reducing. This work introduces a unique interface engineering strategy and paves the way for efficiently utilizing solar radiation energy in the NIR range.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Nanoscience & Nanotechnology

Accelerated Photoreduction of CO2 to CO over a Stable Heterostructure with a Seamless Interface

Xingwang Zhu et al.

Summary: In this study, a novel photocatalyst was successfully developed by synthesizing Co2P on the surface of black phosphorus nanosheets for CO2 reduction. The Co2P/BPs photocatalyst exhibited higher catalytic activity and selectivity than pristine black phosphorus nanosheets under light irradiation.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Physical

Designing charge transfer route at the interface between WP nanoparticle and g-C3N4 for highly enhanced photocatalytic CO2 reduction reaction

Xiandi Zhang et al.

Summary: Developing metallic co-catalysts is an effective way to enhance photocatalytic activity, and the coupling of ultra-small WP nanoparticles embedded on N-doped carbon with 2D graphitic C3N4 has been shown to significantly enhance CO production rate through facilitating electron flow and preventing charge-carrier recombination via the Schottky junction. This work demonstrates the potential of metallic WP as a co-catalyst in photocatalysis and provides useful guidance on phosphide-based material design.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Multidisciplinary Sciences

Interfacial chemical bond and internal electric field modulated Z-scheme Sv-ZnIn2S4/MoSe2 photocatalyst for efficient hydrogen evolution

Xuehua Wang et al.

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NATURE COMMUNICATIONS (2021)

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Letter Materials Science, Multidisciplinary

Enhancing the Supply of Activated Hydrogen to Promote Photocatalytic Nitrogen Fixation

Xuanang Bian et al.

Summary: The strategy of utilizing Pt-doped Ag nanoparticles supported on TiO2 to improve the supply of activated hydrogen for promoting photocatalytic N-2 fixation has successfully increased NH3 yield, and can be applied to other efficient catalysts for nitrogen fixation.

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Cooperation between inside and outside of TiO2: Lattice Cu+ accelerates carrier migration to the surface of metal copper for photocatalytic CO2 reduction

Sai Zhu et al.

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Unique S-scheme heterojunctions in self-assembled TiO2/CsPbBr3 hybrids for CO2 photoreduction

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Oxygen Vacancy Generation and Stabilization in CeO2-x by Cu Introduction with Improved CO2 Photocatalytic Reduction Activity

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Facile one-pot ultrasound-assisted solvothermal fabrication of ball-flowerlike nanostructured (BiOBr)x(Bi7O9I3)1-x solid-solution for high active photodegradation of antibiotic levofloxacin under sun-light

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Co-P Bonds as Atomic-Level Charge Transfer Channel To Boost Photocatalytic H2 Production of Co2P/Black Phosphorus Nanosheets Photocatalyst

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Black phosphorus/Bi19Br3S27 van der Waals heterojunctions ensure the supply of activated hydrogen for effective CO2 photoreduction

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