INORGANIC CHEMISTRY
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2024
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IF 4.3
Xiaoxue Ke,Changcun Tang,Renzhi Xiong,Yanhe Xiao,Baochang Cheng,Shuijin Lei
It is an important strategy to design composite materials with a special microstructure and a tunable electronic structure through structural compatibility. In this work, a novel hexagonal/cubic ZnIn2S4 polymorphic heterophase junction with a three-dimensional multihierarchical structure is successfully constructed by in situ growth of hexagonal ZnIn2S4 nanosheets on the surface of cubic ZnIn2S4 flower-like microspheres prepared by topological chemical synthesis. On the one hand, the multihierarchical architecture provides large specific surface area, abundant active sites, and excellent light trapping capability. On the other hand, the construction of a direct S-scheme heterophase junction enables the formation of a special charge-transfer channel under the force of a built-in electric field, which not only improves the separation efficiency of carriers but also ensures the stronger reaction activity of charges. The prepared ZnIn2S4 heterophase junction composite photocatalyst exhibits greatly boosted photocatalytic efficiency in rhodamine B degradation, hexavalent chromium reduction, and water splitting for hydrogen production, which are 12.3, 6.5, and 3.1 times higher than that of pure hexagonal ZnIn2S4 and 8.1, 5.1, and 2.3 times higher than that of pure cubic ZnIn2S4, respectively, demonstrating its significant potential for applications in energy and environmental fields.
研究领域:
材料科学
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环境科学
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能源科学
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DOI
PubMed
高影响因子
APPLIED SURFACE SCIENCE
·
2023
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IF 6.7
Xinyu Liu,Xiaoli Dong,Yu Wang,Jiaxin Gao,Nan Zheng,Xinxin Zhang
The photocatalytic production of H 2 O 2 using the abundant water and air on earth is promising. Herein, the flower-like polyimide/ZnIn 2 S 4 heterostructures were prepared by a simple two-step solvothermal method, where the tight interface formed between polyimide (PI) and ZnIn 2 S 4 microspheres facilitated the separation and migration of photo-generated charges. Under air condition, the photocatalytic H 2 O 2 production rate without any sacrificial agent is as high as 411.07 μmol g −1 h −1 , which is 15.4 and 3.2 times higher than that of the pristine PI and ZnIn 2 S 4 microspheres, respectively. Meanwhile, the PI/ZnIn 2 S 4 -2 has excellent reusability, and the H 2 O 2 production of PI/ZnIn 2 S 4 -2 maintained 80% of its original value after five cycles. Moreover, the as-prepared samples underwent comprehensive characterization using various techniques, and the photocatalytic mechanism was also studied in detail. Active species capture experiments showed that e − and ·O 2 − played the primary role in this reaction system. This work provides a novel idea for photocatalytic H 2 O 2 production in pure water and air.
研究领域:
材料科学
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环境科学
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DOI
高影响因子
APPLIED CLAY SCIENCE
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2023
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IF 5.6
Guangxin Zhang,Shilin Li,Yifei Li,Xiongbo Dong
The 2D/1D structure of ZnIn 2 S 4 /attapulgite was constructed by anchoring ZnIn 2 S 4 nanosheets on the surface of attapulgite nanorods for the removal of tetracycline hydrochloride (TC) and rhodamine B (RhB). The 2D ZnIn 2 S 4 was closely combined with the 1D attapulgite, and ZnIn 2 S 4 /attapulgite had a higher BET surface area (83.6 m 2 /g) than pure ZnIn 2 S 4 (13.6 m 2 /g). The combination of ZnIn 2 S 4 and attapulgite promoted pollutant adsorption by providing more exposed active sites and a larger contact area, which also contributed to enhanced photocatalytic performance. Under visible light irradiation, the as-prepared ZnIn 2 S 4 /attapulgite composites exhibited enhanced photocatalytic activity when compared with pure ZnIn 2 S 4 . After 9 min (50 min) of irradiation, the optimized ZnIn 2 S 4 /attapulgite photocatalyst removed about 99.9% RhB (82.1% TC). In addition, the ZnIn 2 S 4 /attapulgite photocatalyst demonstrated excellent photostability and availability. Compared with other photocatalysts, the samples in this work used natural minerals as the carrier, which significantly improved the dispersibility and adsorption performance of the catalyst, and was conducive to the improvement of catalytic performance. This work contributed to the development of photocatalysis for the removal of environmental liquid-phase pollutants.
研究领域:
环境科学
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材料科学
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DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2024
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IF 9.4
Shumail Farhan,Asif Hassan Raza,Long Li,Songyu Yang,Yan Wu
Comprehending the catalytic reaction implementation for heterostructure photocatalysts is crucial by scrutinizing the spatial separation and transfer process of photoexcited charges at nanoscale junctions. Herein, we fabricated the F-doped TiO 2 /ZnIn 2 S 4 -based S-scheme heterostructure using a direct liquid-assembly method. The optimum hydrogen evolution rate (HER) of ∼ 1.58 mmol g –1 h –1 was acquired for 30-F 3 T@ZIS, which was about 15 and 2 times superior to the pristine F-doped TiO 2 and ZnIn 2 S 4 , respectively. The interaction between F-doped TiO 2 and ZnIn 2 S 4 facilitated the charge transfer from ZIS to F 3 T which was confirmed through XPS. UV–vis spectroscopy and Mott–Schottky validated that F-doped TiO 2 and ZnIn 2 S 4 retain the suitable energy band alignment for the S-scheme heterostructure. In situ, KPFM and EPR analysis revealed that F-doped TiO 2 and ZnIn 2 S 4 possess a spontaneous photoelectrochemical response, and their junction significantly improves the internal electric field by separating photoexcited charge carriers. This work provides a conclusive experimental and theoretical validation for an internal electric field and charge flow direction in non-noble-metal-based heterostructure photocatalysts.
研究领域:
材料科学
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催化化学
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DOI
PubMed
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2022
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IF 9.965
Kai Wu,Renqian Jiang,Yulong Zhao,Liang Mao,Xiuquan Gu,Xiaoyan Cai,Mingshan Zhu
Exploring low-cost co-catalyst to ameliorate the photocatalytic activity of semiconductors sets a clear direction for solving energy crisis and achieving efficient solar-chemical energy conversion. In this work, a unique hierarchical hollow heterojunction was constructed by in-situ growing ZnIn 2 S 4 nanosheets on the porous NiCo 2 S 4 hollow prisms through a low temperature solvothermal method, in which NiCo 2 S 4 with semi-metal property acted as non-noble metal co-catalyst. NiCo 2 S 4 co-catalyst was innovatively encapsulated in ZnIn 2 S 4 , which not only relieved the light shielding effect caused by the large loading amount of co-catalyst, but also supplied abundant active sites for H 2 evolution. The hierarchical hollow heterostructure of NiCo 2 S 4 /ZnIn 2 S 4 provided a highly efficient channel for charge transfer. Combining these advantages, NiCo 2 S 4 /ZnIn 2 S 4 composite demonstrated excellent photocatalytic activity. In the absence of sacrificial agent, the NiCo 2 S 4 /ZnIn 2 S 4 photocatalyst achieved a remarkable improved H 2 yield of 0.77 mmol g − 1 h −1 under visible light irradiation (λ > 400 nm), which is 6.6 times greater than that of ZnIn 2 S 4 . Besides, NiCo 2 S 4 even exhibited better performance on the H 2 evolution improvement of ZnIn 2 S 4 than precious metal Pt. This work will offer novel insights into the reasonable design of non-noble metal photocatalysts with respectable activity for water splitting.
研究领域:
材料科学
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能源化学
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DOI
PubMed
高影响因子
Journal of Environmental Chemical Engineering
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2023
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IF 7.7
Lian Yi,François Nkinahamira,Hongyi Jiang,Jingyuan Huang,Yueyong Ma,Rongshu Zhu
The development of photocatalyst is essential for achieving efficient photocatalytic water splitting for hydrogen production . Therefore, a novel Mo 2 N (MN) decorated ZnIn 2 S 4 (ZIS) with sulfur-rich vacancy (Sv-ZIS) photocatalyst was rationally constructed via a facile calcining-hydrothermal method for efficient photocatalytic H 2 production. The optimized photocatalyst exhibits an outstanding photocatalytic H 2 production rate of 10.28 mmol·g −1 ·h −1 , 7.52 and 3.11 times higher than that of bare ZIS and S V -ZnIn 2 S 4 (S V -ZIS), respectively. The characterizations reveal that the presence of MN and S-vacancies improves the light absorption capacity, and facilitates the separation and migration of photogenerated carriers. Density functional theory calculations (DFT) have confirmed that MN can optimize ΔG H* to approach 0, which is favorable for photocatalytic hydrogen production . Therefore, the combined effect of MN and S-vacancies facilitates efficient photocatalytic H 2 production of S V -ZIS/MN.
研究领域:
材料科学
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能源化学
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DOI
高影响因子
CRYSTAL GROWTH & DESIGN
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2024
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IF 3.2
Furong Ye,Wen Liu,Changcun Han,Yahao Zhao,Peng Liu,Hui Wang
This study introduces Au nanoparticles into ZnIn2S4 through electrodeposition to overcome the limitation of rapid charge carrier recombination on the photoelectrochemical efficiency. The strong coupling of Au nanoparticles with the FTO substrate not only serves as an electron acceptor but also exhibits a surface plasmon resonance (SPR) effect, significantly enhancing charge carrier separation efficiency. Experimental results demonstrate that the introduction of Au nanoparticles notably improves the light absorption capability of ZnIn2S4, enhancing its solar energy conversion efficiency and rendering it an effective photoelectrocatalytic catalyst. Electrochemical analysis shows that the modified sample achieves a photocurrent density of 0.52 mA/cm2 at 1.23 V (vs RHE), which is 2.15 times that of pure ZnIn2S4, validating the potential of this approach for photoelectrocatalytic applications.
研究领域:
材料科学
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能源转换
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DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2025
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IF 9.7
Wan-Ying Li,Jing Liu,Zhi-Rong Li,Ting-Ting Shen,Jun Chen,Zhi-Yi Hu,Wen-Bei Yu,Yu Li,Bao-Lian Su
ZnIn 2 S 4 (noted as ZIS) has great potential in tetracycline degradation due to its suitable band gap structure and great light absorption capability. However, its serious photo-corrosion results in the deactivation of photocatalytic activity. In this work, we try our best to probe the deactivation and regeneration of ZnIn 2 S 4 in photocatalytic degradation of tetracycline. EPR, XPS, and PL results reveal that the deactivation mechanism of ZIS is due to the breakage of Zn-S bonds which results in excessive sulfur vacancies. After choosing Na 2 S as regenerant, the degradation rate in second cycle increased from 57.4 % to 88.1 % and improved from 30.3 % to 76.8 % in third cycle. Ab initio molecular dynamics simulations (AIMD) and density functional theory (DFT) calculations are further conducted for the regeneration mechanism. These results confirm that the negatively charged ions (HS − and OH − ions) produced by hydrolysis of the Na 2 S are attracted to the positively charged sulfur vacancies, promoting the re-bonding of Zn-S bonds and thereby relieve excessive sulfur vacancies. This work not only provides a detailed discussion of performance deactivation caused by photo-corrosion of ZnIn 2 S 4 but also offers new insights into the regeneration mechanism of ZnIn 2 S 4 .
研究领域:
环境科学
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材料科学
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化学
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DOI
PubMed
高影响因子
CHINESE JOURNAL OF CATALYSIS
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2024
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IF 15.7
Baolong Zhang,Fangxuan Liu,Bin Sun,Tingting Gao,Guowei Zhou
ABSTRACT Photocatalytic water splitting to produce H 2 using semiconductor photocatalysts is a reliable approach to alleviating energy shortages and environmental pollution. However, the inadequate light-harvesting ability, rapid photogenerated carrier recombination, and inferior redox capacity of the individual photocatalysts restrict their photocatalytic activity . To address these limitations, a hierarchical S-scheme heterojunction of ZnIn 2 S 4 -nanosheet-decorated flower-like TiO 2 microspheres for enhancing photocatalytic H 2 evolution, purposely constructed through in situ chemical bath deposition, has been reported. The as-synthesized TiO 2 /ZnIn 2 S 4 heterojunctions exhibited ZnIn 2 S 4 -content-dependent photocatalytic activity for solar-driven H 2 evolution. As a result, the optimized TiO 2 /ZnIn 2 S 4 heterojunction exhibited a superior photocatalytic H 2 evolution rate of 6.85 mmol g –1 h –1 , approximately 171.2- and 3.9-fold with respect to that obtained on pure TiO 2 and ZnIn 2 S 4 , respectively, mainly attributed to the unique hierarchical structure, extended light-harvesting ability, enhanced redox capacity, and improved separation and transfer efficiencies of the photogenerated carriers induced by the S-scheme heterojunctions. Simultaneously, a detailed analysis of the S-scheme electron transfer pathway in the TiO 2 /ZnIn 2 S 4 heterojunction was performed using in situ irradiated X-ray photoelectron spectroscopy and electron paramagnetic resonance spectroscopy . This study provides insights into the design of highly active heterojunction photocatalysts for sustainable solar-to-fuel energy conversion.
研究领域:
材料科学
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能源科学
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环境科学
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DOI
高影响因子
Journal of Materials Chemistry A
·
2023
·Vol. 11
·期 8
·4013-4019
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IF 11.9
Jian-Hui Zheng,Ming-Yu Qi,Zi-Rong Tang,Yi-Jun Xu
Semiconductor-based artificial photoredox-catalyzed organic synthesis offers a promising and green opportunity to harness solar energy for green organic chemistry. However, the precise manipulation of product selectivity over semiconductor-based photocatalysts for selective organic synthesis remains challenging. In this work, we report the rational preparation and application of two kinds of cocatalyst, (RuS2 or Cu2S)-decorated monolayer ZnIn2S4, for the selective dehydrocoupling of aromatic amines into tunable CN coupled imines or C–N coupled secondary amines, respectively, under visible light irradiation. The presence of the RuS2 or Cu2S cocatalyst not only facilitates the charge carrier separation and migration owing to the well-matched energy band structure, but also maneuvers the interfacial charge transfer routes for the selectivity switching between CN and C–N product formation. This work would inspire the rational design of ingenious semiconductor-based composites toward selective modulation in heterogeneous photocatalytic organic synthesis.
研究领域:
材料科学
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有机化学
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光催化
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DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2025
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IF 9.7
Xuedong Wang,Han Huang,Yongxiu Li,Qingqing Jiang,Xiaole Han,Qin Li,Yi Liu,Juncheng Hu
To address the pressing challenges of energy shortages and environmental sustainability, photocatalytic water splitting for hydrogen production has emerged as a promising strategy for solar energy conversion. While semiconductor catalysts exhibit significant potential in photocatalysis, their practical applications are hindered by limitations such as inefficient charge separation and insufficient active sites. Designing and preparing efficient, non-precious co-catalysts is therefore essential. In this work, we synthesized cobalt phosphide with phosphorus vacancy defects (vp-CoP) hollow microsphere co-catalysts and loaded them with indium zinc sulfide (ZnIn 2 S 4 ) nanosheets to construct vp-CoP@ZnIn 2 S 4 (vp-CoP@ZIS) heterojunction photocatalysts. Under visible light irradiation, the vp-CoP@ZIS photocatalyst achieved a hydrogen production rate of 7.4 mmol g −1 h −1 , which was 7.6 times higher than that of pristine ZnIn 2 S 4 . This remarkable enhancement arises from the synergistic effects between vp-CoP and ZnIn 2 S 4 . Specifically, the introduction of single-atom phosphorus vacancies significantly improved electron transfer efficiency and promoted charge separation within the heterojunction. This innovative design and synthesis strategy underscores the potential of vp-CoP@ZIS as a robust photocatalyst for solar-driven hydrogen production, providing a sustainable pathway for efficient solar energy utilization.
研究领域:
材料科学
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能源化学
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环境科学
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DOI
PubMed
高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
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2022
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IF 9.221
Yizhuo Fan,Wei Wang,Heng Guan,Caixia Liu,Xin Li,Yu Chen,Jingran Zhou,Yan Ma,Dali Liu,Shengping Ruan
Two-dimensional (2D) layered metal sulfides with abundant edge sites and weak van der Waals bonds are promising materials that absorb sensing molecules at low temperatures. The introduction of defects is an effective strategy to improve the sensing performance of two-dimensional sulfide semiconductors. In this experiment, we used a facile hydrothermal method to adjust the S content of the lattice in ZnIn2S4 microflowers(MFs). And the ZnIn 2 S 4 MFs with suitable S-vacancy content were derived from the precursor with a stoichiometric ratio (Zn/In/S) of 1:2:6. These S-defect-engineered controlled growth of ZnIn 2 S 4 MFs is composed of many nanosheets(NSs) with exposed {0001} facets grown along the c-axis direction, which has a large number of S-vacancies that can serve as active sites for sensing reactions. Thus, S-vacancy-rich ZnIn 2 S 4 MFs exhibited better sensing performance for triethylamine even at the optimum operating temperature(90 ℃), including high response(1013–100 ppm), low limit of detection(1 ppm), excellent gas selectivity, and fast response(4 s). It also shows good sensitivity to lower concentrations of triethylamine at room temperature . This work demonstrates the good effect and potential of vacancy modulation in improving the performance of two-dimensional sulfide nanomaterials for low-power sensing.
研究领域:
材料科学
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化学传感器
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DOI
高影响因子
危险品化学品经营许可证（带存储）