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Article
Materials Science, Multidisciplinary
Xuan-Pu Wang et al.
Summary: Loading monoclinic beta-AgVO3 on hexagonal CdS nanorods to construct a one-dimensional (1D)/1D p-n heterojunction accelerated the separation of photogenerated electrons and holes, improving the photocatalytic hydrogen production activity.
Article
Chemistry, Physical
Chen Guan et al.
Summary: The fabrication of Van der Waals (VDW) heterojunctions between 2D materials has attracted researchers' interest due to their compact interfaces, low energy barriers, and efficient electron mobility. However, weak VDW interactions and a VDW gap hinder carrier migration across layers. This study developed a novel ZnxCd1-xS/g-C3N4 catalyst, which regulates VDW heterojunctions through interface engineering. The constructed Cd-N bonds at the interface serve as an electron transport bridge, enabling efficient migration of photogenerated electron-hole pairs. As a result, Zn0.8Cd0.2S/g-C3N4 exhibits enhanced CO2 reduction performance, surpassing pure g-C3N4 without co-catalysts or sacrificial agents. This work provides insights into regulating Van der Waals heterojunctions and offers an efficient photocatalyst for green energy conversion.
APPLIED SURFACE SCIENCE
(2023)
Article
Economics
Juan Gea-Bermudez et al.
Summary: Offshore hydrogen generation may have a limited role in the future energy system, and sending offshore wind energy to shore as electricity has higher value. Forcing all hydrogen generation offshore would increase energy system costs. The economic value of future offshore hydrogen generation should not only be derived from minimizing costs, but also from the perspective of the whole integrated energy system.
Article
Chemistry, Inorganic & Nuclear
Qiongqiong Wang et al.
Summary: N-type B and P double doped porous g-C3N4 (CN-B-P) nanosheets are prepared by decomposing the raw material to produce gas molecular etching materials and forming a porous structure. The largest specific surface area and porous morphology provide more reactive sites and facilitate electron transfer, resulting in a significantly increased H2 production compared to bulk carbon nitride. The sample also exhibits excellent stability and durability in cyclic and continuous hydrogen production tests.
JOURNAL OF SOLID STATE CHEMISTRY
(2023)
Review
Materials Science, Multidisciplinary
Xiang Liu et al.
Summary: Hydrogen (H2) is receiving considerable attention due to its high gravimetric capacity density and environmentally friendly nature. The steam reforming of natural gas is the current main method for hydrogen production, resulting in significant greenhouse gas emissions. Recently, the hydrolysis of diboranes has shown promise for H2 evolution, as both hydrogen atoms in the released H2 are obtained from water. This review provides an overview of recent developments in the mechanism study and applications of H2 evolution through diborane hydrolysis, and suggests future research focus and perspectives for commercialization.
ACS MATERIALS LETTERS
(2023)
Article
Materials Science, Multidisciplinary
Shishi Shen et al.
Summary: In this work, a novel BiOBr/Bi2S3 high-low junction photocatalyst was constructed using the molten salt method combined with the ion exchange strategy. The photocatalyst exhibited high and robust photocatalytic oxidation activity and in-situ generation of H2O2. This study provides a new perspective for expanding the spectral response range of Bi-based photocatalytic materials and preparing high-low junction photocatalysts with dense interfaces.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Tian Wang et al.
Summary: The photocatalytic performance can be significantly improved by constructing suitable heterojunction photocatalysts. In this study, a unique new double S-scheme heterojunction photocatalyst was constructed by self-assembly of GDY and ZnAl-LDH. The formation of an internal electric field between CuI-GDY and ZnAl-LDH interface broadened the light absorption range and improved the redox ability of the photocatalytic system.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Physical
Xin Guo et al.
Summary: The design of an S-scheme heterojunction can promote the transfer of photogenerated electrons, which is an effective method to improve the activity of photocatalytic hydrogen production. In this study, CdS/ZnCd-PBA composite catalysts were prepared using a simple physical method, and a CdS/ZnCd-PBA S-scheme heterojunction was designed. The close contact between the interface of the two catalysts is conducive to the rapid transfer of photogenerated carriers, providing a new path for electron transfer. The hydrogen production of a CdS/ZnCd-PBA catalyst with a ZnCd-PBA content of about 15% was 962 μmol under simulated light for 5 h, which was 13 and 916 times higher than those of CdS and ZnCd-PBA, respectively. At the same time, CdS/ZnCd-PBA-15 composites also showed good long-term stability. It shows that the construction of the S-scheme heterojunction promotes the separation of electron-hole pairs, which can effectively improve hydrogen production activity.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Engineering, Chemical
Xin Guo et al.
Summary: A binary catalyst Co2SnO4/graphdiyne was constructed by calcining graphdiyne and CoSn(OH)6 together, which showed good photocatalytic hydrogen production efficiency. The high-temperature calcination closely linked Co2SnO4 and graphdiyne, leading to increased contact area and active sites.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Applied
Zhihan Yu et al.
Summary: This study proposes a feasible method for preparing CN-C by thermal polymerization to gradually infiltrate carbon rings into the surface of carbon nitride, enhancing carrier separation and improving photocatalytic activity. The successful penetration and distribution of carbon rings into carbon nitride were confirmed, and the overlap of conjugate plane with carbon nitride improved the dissociation efficiency of photogenerated electrons.
CHINESE JOURNAL OF CATALYSIS
(2023)
Article
Chemistry, Physical
Wenkai Huang et al.
Summary: In this study, dual-functional nanocatalysts Pd/carbon nanosphere (CNS) were developed for selective H-2 generation from HCOOH dehydrogenation and O-2 evolution from H2O2 decomposition. The on-off switch for selective H-2 generation was successfully achieved by adjusting the pH value. The novel and highly efficient nanocatalyst Pd/CNS-800 provides new approaches for the application of HCOOH and H2O2 as H-2 and O-2 carriers, respectively, in fuel cells.
Article
Chemistry, Physical
Youlin Wu et al.
Summary: Surface modification of photocatalytic materials is an effective way to enhance their semiconductor activity. By utilizing a simple surface modification strategy and constructing abundant active sites, the photocatalytic activity can be improved. The introduction of NiAl-LDH-P can enhance the utilization of Zn0.5Cd0.5S on solar energy and promote the transfer rate of photogenerated carriers. The construction of the Zn0.5Cd0.5S/NiAl-LDH-P S-scheme heterojunction can change the hydrogen evolution site and improve the activity and stability of hydrogen production.
Review
Thermodynamics
Shalini Sahani et al.
Summary: Research has shown that carbon-based materials have great potential in the field of photocatalytic hydrogen production, with the ability to improve photocatalytic performance through size modulation and functionalization. Carbon dots and graphene derivatives are considered important players in the next generation of photocatalysts, acting as co-catalysts and electron mediators in the hydrogen evolution reaction.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Review
Chemistry, Multidisciplinary
Ahmed I. Osman et al.
Summary: Hydrogen, also known as dihydrogen, is increasingly recognized as a clean and reliable energy source for various industries. Its production methods are diverse, with water electrolysis being a common method. Storing hydrogen underground can effectively shift energy from off-peak periods to peak periods to meet demand.
ENVIRONMENTAL CHEMISTRY LETTERS
(2022)
Article
Chemistry, Physical
Ying Wang et al.
Summary: This study fabricated CdSe/CuInS2 microflowers with high photocatalytic hydrogen production activity through the construction of p-n heterostructure, demonstrating their broad application prospects in water splitting for hydrogen production.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Youzhi Wang et al.
Summary: Ce-based organic framework materials (UIO-66(Ce)) were prepared and compositing with ZnCdS, resulting in enhanced photocatalytic hydrogen production activity.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
Shiyu Zhang et al.
Summary: Clean and renewable energy, especially green hydrogen, plays a crucial role in achieving carbon neutrality and nature sustainability. This review provides a comprehensive overview of different photocatalyst preparation methods and mechanism designs, as well as various morphologies and electron transfer processes. It also highlights the importance of reaction sites and photogenerated electrons in efficient hydrogen production.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Inorganic & Nuclear
Xiang Qin et al.
Summary: ZnCdS/TiO2/Na-MXene composites were prepared via a hydrothermal process, showing excellent photocatalytic performance and photo-corrosion resistant property. They exhibited great potential in photocatalytic degradation and hydrogen production applications, providing a new way to reduce the oxidation process of Ti3C2 MXene by increasing MXene content and intercalation of ZnCdS.
JOURNAL OF SOLID STATE CHEMISTRY
(2022)
Article
Chemistry, Physical
Guang Yang et al.
Summary: In this study, the photocatalytic activity for hydrogen production was enhanced by loading CoWO4 onto MCS nanorods. The highest hydrogen production rate was achieved by CoWO4/Mn0.47Cd0.53S-25 (CW/MCS-25), which was about 2.68 times higher than that of pristine MCS. Experimental analyses revealed that CoWO4 interacted closely with MCS, allowing the transfer of photogenerated electrons and holes. The introduction of CoWO4 also inhibited the photocorrosion of MCS, leading to improved photocatalytic activity. This work provides valuable insights into the development of noble metal-free composite materials and their potential applications in photocatalysis.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Zhaobo Fan et al.
Summary: The construction of interfacial effects and chemical bonds between catalysts can effectively facilitate photogenerated electron transfer. In this study, a novel catalyst was successfully constructed and connected with a photocatalyst through a chemical bond, acting as a bridge for electron transmission. Furthermore, it was found that this chemical bond can rapidly transfer photogenerated carriers and achieve high-efficiency hydrogen evolution. The experimental results showed that this structure can enhance the hydrogen production compared to traditional materials.
Review
Green & Sustainable Science & Technology
Mustapha Mukhtar et al.
Summary: The current impact of carbon emissions is a challenge to society, and there is a need to transition to cleaner energy sources/technologies. This study reviews the application of the organic Rankine cycle (ORC) in multigeneration systems and presents a new ORC-CPVT integrated multigeneration system. The results show that the proposed system has enormous potential for carbon emissions reduction.
Article
Chemistry, Physical
Kai Wang et al.
Summary: This study presents a novel zinc cadmium sulfide/nickel cobalt phosphide heterojunction for highly efficient photocatalytic hydrogen generation. The zinc cadmium sulfide/nickel cobalt phosphide-3% composite exhibits the highest photocatalytic hydrogen generation performance in a lactic acid aqueous solution at 450 nm, and demonstrates excellent photostability. This research provides a new perspective for solar energy conversion.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Energy & Fuels
Xuqiang Hao et al.
Summary: This study presents a simple physical mixing strategy for loading suitable oxidation and reduction cocatalysts on sulfide semiconductor photocatalysts, which significantly enhances the photocatalytic water splitting activity. The co-modification of the double auxiliary catalysts accelerates the separation of photocarriers and improves the reaction kinetics, leading to a high hydrogen evolution rate and photostability.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2022)
Article
Materials Science, Multidisciplinary
Guorong Wang et al.
Summary: This study successfully improved the efficiency of solar photocatalytic water decomposition for hydrogen production by constructing a 2%Cu2S/CZS step-scheme heterojunction. The introduction of Cu2S has advantages of reducing particle agglomeration, broadening the light response range, and accelerating charge separation and transfer.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2022)
Article
Engineering, Chemical
Kaicheng Yang et al.
Summary: In this research, a nano hybrid material was developed for efficient photocatalytic hydrogen evolution. The material has a unique structure and porous framework that allows for multivariate collaborative catalysis. Additionally, it exhibits excellent charge transfer rate and lower carrier recombination rate, resulting in smaller hydrogen evolution overpotential.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Applied
Zhiliang Jin et al.
Summary: Graphdiyne (GDY), a novel two-dimensional carbon hybrid material, has attracted significant attention due to its unique and excellent properties. This study reports new progress in the preparation of a composite material, Co9S8-GDY-CuI, using CuI powder as a catalytic material and a facile hydrothermal method. The Co9S8-GDY-CuI exhibited hydrogen production activity 10.29 times higher than that of pure GDY in the sensitization system. Characterization techniques provided evidence for the successful preparation of the material and its superior photocatalytic activity. A possible reaction mechanism and the effects of Co9S8 nanoparticles were also discussed.
CHINESE JOURNAL OF CATALYSIS
(2022)
Article
Chemistry, Physical
Jishu Han et al.
Summary: The synthesis of novel CdSe/NH2-MIL-101(Cr) nanocomposites enhanced photocatalytic hydrogen production, increased light absorption intensity, broadened visible light absorption range, promoted electron transfer, and inhibited electron-hole pair recombination, thus effectively improving the photocatalytic performance. Furthermore, the nanocomposites showed high cycle stability, making them suitable for practical applications in photocatalytic hydrogen production.
Article
Engineering, Environmental
Yonggang Lei et al.
Summary: In this study, a facile method was developed to synthesize Co-modified MoSx cocatalyst, which showed excellent performance for efficient hydrogen evolution reaction (HER). The ZnCdS/Co-MoSx photocatalyst exhibited superior HER rate and apparent quantum efficiency compared to ZnCdS/MoSx and pristine ZnCdS, as well as benchmarked Pt, Au and Ag co-catalysts. The recycling test demonstrated the satisfactory stability of ZnCdS/Co-MoSx catalyst with slightly reduced activity after 25 hours consecutive HER.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Xibao Li et al.
Summary: This work successfully prepared a novel S-scheme heterojunction composite using a solvent evaporation induced self-assembly method, exhibiting excellent photocatalytic performance. By adjusting the composite ratios, the electron migration and free radical generation were effectively enhanced.
Article
Chemistry, Physical
D. D. Papadias et al.
Summary: Techno-economic analysis shows that underground storage of hydrogen in pipes is more economical for small-scale storage below 20 tonnes, while salt caverns become more cost-effective as storage capacity increases. Large-scale hydrogen storage requires consideration of multiple caverns.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Chemistry, Multidisciplinary
Tianyu Bai et al.
Summary: By growing ZnCdS quantum dots in situ on a g-C3N4 support, the aggregation behavior caused by high surface energy was effectively suppressed. The heterojunction of ZnCdS and g-C3N4 showed excellent optical absorption, abundant reactive sites, and efficient separation of photogenerated electrons and holes, resulting in significantly improved photocatalytic hydrogen production performance.
Article
Chemistry, Multidisciplinary
Xiuqing Xi et al.
Summary: This study successfully achieved efficient photocatalytic hydrogen production using ZnIn2S4@CoS2 heterostructures as photocatalysts. The heterostructures were prepared by using Co3O4 derived from ZIF-67. The enhanced photocatalytic activity was attributed to the faster electron transfer and more efficient electron-hole pair separation at the interface between CoS2 and ZnIn2S4.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Chemistry, Inorganic & Nuclear
Tianyu Bai et al.
Summary: ZCS-C (ZnCdS/CdS) quantum dots were synthesized using zeolitic imidazolate framework-8 (ZIF-8) nanoparticles as a precursor, through low-temperature vulcanization, cation exchange, and heterojunction construction, achieving a high photocatalytic hydrogen production rate under visible light irradiation. The optimized sample exhibited outstanding chemical stability and recyclability, surpassing most reported Zn1-xCdxS-based photocatalysts.
DALTON TRANSACTIONS
(2021)
Article
Engineering, Environmental
Xibao Li et al.
JOURNAL OF HAZARDOUS MATERIALS
(2020)
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Tianpeng Yu et al.
APPLIED SURFACE SCIENCE
(2020)
Article
Chemistry, Applied
Lijun Zhang et al.
CHINESE JOURNAL OF CATALYSIS
(2020)
Article
Chemistry, Physical
Entian Cui et al.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2019)
Article
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R. Rameshbabu et al.
CHEMICAL ENGINEERING JOURNAL
(2019)
Article
Chemistry, Physical
Xiu-Li Luo et al.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2018)
Article
Chemistry, Physical
Chao Wang et al.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2018)
Article
Materials Science, Multidisciplinary
Shulei Han et al.
MATERIALS RESEARCH BULLETIN
(2016)
