SENSORS AND ACTUATORS B-CHEMICAL
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2022
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IF 9.221
Dongqing Liu,Xinyu Bai,Jing Sun,Danyang Zhao,Chenghui Hong,Nengqin Jia
Based on hollow In 2 O 3 /In 2 S 3 material, an innovative molecularly imprinted photoelectrochemical (PEC) sensor was developed for sensitive detection of glutathione (GSH). Using nicotinamide as a functional monomer , the GSH template molecule was imprinted on hollow In 2 O 3 /In 2 S 3 material with a large specific surface area, which has better selectivity to GSH. The cavernous structure of the material facilitates the enhanced absorption of visible light due to light scattering and reflection. The heterojunction structure between In 2 O 3 and In 2 S 3 also promotes the rapid separation of electron-hole pairs, which significantly enhance the photocurrent response. The constructed sensor exhibits the detection range from 1 μmol L −1 to100 μmol L −1 with a detection limit of 0.82 μmol L −1 (S/N = 3). Meanwhile, the PEC sensor has excellent stability and selectivity, which provides an innovative idea for the actual detection of GSH.
研究领域:
分析化学
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材料科学
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生物医学工程
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DOI
高影响因子
RSC Advances
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2019
·Vol. 9
·期 20
·11377-11384
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IF 3.049
Kaili Wei,Baolai Wang,Jiamin Hu,Fuming Chen,Qing Hao,Guannan He,Yinzhen Wang,Wei Li,Junming Liu,Qinyu He
It's highly desired to design and fabricate an effective Z-scheme photo-catalyst with excellent charge transfer and separation, and a more negative conduction band edge (ECB) than O2/·O2− (−0.33 eV) and a more positive valence band edge (EVB) than ·OH/OH− (+2.27 eV) which provides high-energy redox radicals. Herein, we firstly designed and synthesized a core–shell-heterojunction-structured Z-scheme system BaTiO3@In2S3 (BT@IS, labelled as BTIS) through a hydrothermal method, where commercial BT was used as the core and In(NO3)3·xH2O together with thioacetamide as the precursor of IS was utilized as the shell material. In this system, the shell IS possesses a ECB of −0.76 eV and visible-light-response Eg of 1.92 eV, while the core BT possesses a EVB of 3.38 eV, which is well suited for a Z-scheme. It was found that the as-prepared BTIS possesses a higher photocatalytic degradation ability for methyl orange (MO) than commercial BT and the as-prepared IS fabricated by the same processing parameters as those of BTIS. Holes (h+) and superoxide radicals (·O2−) were found to be the dominant active species for BTIS. In this work, the core–shell structure has inhibited the production of ·OH because the shell IS has shielded the OH− from h+. It is assumed that if the structure of BTIS is a composite, not a core–shell structure, ·OH could be produced during photocatalysis, and therefore a higher photocatalytic efficiency would be obtained. This current work opens a new pathway for designing Z-scheme photocatalysts and offers new insight into the Z-scheme mechanism for applications in the field of photocatalysis.
研究领域:
材料科学
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环境科学
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DOI
PubMed
高影响因子
RARE METALS
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2025
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IF 11
Wang Dan-Dan,Xu Meng-Yang,Lin Zhao-Xin,Wu Jia-Hui,Yang Wei-Ting,Li Hong-Ji,Su Zhong-Min
The goal of photocatalytic CO 2 reduction is to obtain a single energy-bearing product with high efficiency and stability. Consequently, constructing highly selective photocatalysts with enhanced surface and optoelectronic properties is crucial for achieving this objective. Here, we have developed a simple one-pot vulcanization method to synthesize a MIL-68(In)-derived CdIn 2 S 4 /In 2 S 3 heterojunction that exhibited stable and high selectivity. Multiple characterizations of the CdIn 2 S 4 /In 2 S 3 heterojunction revealed a hierarchical tubular structure with numerous surface reactive sites, a high visible-light utilization rate ( λ < 600 nm), efficient charge separation, and a prolonged charge-carrier lifetime. Moreover, an S-scheme charge transfer mechanism, based on the interleaved band between the two components, improved the reduction capability of the electrons. Benefiting from the compositional and structural synergy, the yield CO by CdIn 2 S 4 /In 2 S 3 -250 (CI-250) reached 135.62 μmol·g −1 ·h −1 , which was 49.32 times and 32.88 times higher than that of In 2 S 3 and CdIn 2 S 4 , respectively. The CdIn 2 S 4 /In 2 S 3 heterojunction exhibited a quantum efficiency of 4.23% with a CO selectivity of 71%. Four cycle tests confirmed the good stability and recyclability of the CI-250. This work provides a new approach for designing and preparing high-performance hollow MOFs-based photocatalysts for scalable and sustainable CO 2 reduction.
研究领域:
材料科学
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环境科学
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化学工程
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DOI
高影响因子
JOURNAL OF POROUS MATERIALS
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2021
·Vol. 29
·期 1
·181-192
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IF 2.496
Wang Li,Zhou Yu,Xu Qi,Wu Xian-Kun,Xu Guo-Dong,Guo Ji-Xiang,Fang Dong
The development of high efficient and cost-effective photocatalysts for organic matters degradation and hydrogen evolution is of great importance. In this study, heterojunction photocatalysts based In 2 S 3 and MIL-68(In) were synthesized by hydrothermal method. These composites exhibit excellent bi-functionality of photocatalytic Rhodamine B degradation and hydrogen evolution. And it was found that the photocatalytic performance of the composites was dependent on the ratio of In to S. The optimum catalyst In 2 S 3 /MIL-68(In)-1.5 exhibits much enhanced photocatalytic performance, offering a removal efficiency of 94.7% within 30 min for 20 ppm of Rhodamine B and a hydrogen evolution rate of 1618.8 µmol h −1 g −1 as a result of the synergist effect of heterojunction between the two components, promoting the charge separation. Besides, the mechanisms for photocatalytic degradation of Rhodamine B and photocatalytic hydrogen evolution were also proposed. This protocol could provide guiding information on the development of other functional photocatalysts.
研究领域:
材料科学
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环境科学
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化学工程
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DOI
高影响因子
MATERIALS LETTERS
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2023
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IF 3
Lina Tian,Yiping Zhang,Linjuan Dai,Changhui Xin,Qian Li,Yanting Tang,Xin Yu
Fabrication of tantalum-based composite photocatalysts with high-performance for dealing with organic pollutants remains valuable and highly urgent nowadays. In this work, amorphous In 2 S 3 decorated Ta 2 O 5-x mesocrystals were fabricated for tetracycline degradation under visible-light irradiation. The introduction of amorphous In 2 S 3 highly improved the visible-light absorption and charge separation, and the prepared In 2 S 3 /Ta 2 O 5-x mesocrystals showed highly enhanced photocatalytic performance towards tetracycline degradation, and the corresponding rate constant was approximately 0.00658 min −1 , which was 5.58 times that of In 2 S 3 and 3.64 times that of Ta 2 O 5-x mesocrystals. The enhanced visible-light photocatalytic performance for the In 2 S 3 /Ta 2 O 5-x mesocrystals was mainly attributed to the fabrication of strongly combined interface between In 2 S 3 and Ta 2 O 5-x mesocrystals.
研究领域:
材料科学
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环境科学
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化学
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DOI
高影响因子
2D Materials
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2022
·Vol. 10
·期 1
·014004
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IF 6.861
Guanshun Xie,Yisong Zhu,Changqiang Yu,Xiuqiang Xie,Nan Zhang
Steering photogenerated electron flow to the effective reactive sites is ideal for photocatalytic H2 evolution. Herein, as a proof-of-concept, NiS is coupled with a typical Schottky heterojunction of Ti3C2Tx MXene@In2S3 through the photodepotition method towards improving the photocatalytic H2 evolution performance. In addition to the Schottky effect-mediated electron transfer in Ti3C2Tx MXene@In2S3 heterojunctions, p–n junctions form between In2S3 and NiS to extract photoinduced electrons, which is found to cooperate with the role of effective H2 evolution reactive sites. The synergistic dual functions of NiS cooperate with Ti3C2Tx MXene promote multichannel electron transfer in Ti3C2Tx MXene@In2S3-NiS hybrids to improve the photocatalytic hydrogen evolution reaction (HER) efficiency by 41 times compared to the bare In2S3. These results enlighten the engineering of the spatial transfer of photoinduced electrons to the reactive sites toward boosting the efficiency of photocatalytic HER.
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
IONICS
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2025
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IF 2.6
Chen Silu,Lu Songhua,Ma Jianfeng
The incorporation of semiconductor materials on Fe 3 O 4 has been demonstrated as an efficient way to promote the photocatalytic activity of Fe 3 O 4 . Therefore, we synthesized Fe 3 O 4 @In 2 S 3 composite by growing ultrathin In 2 S 3 nanosheets on the surface of Fe 3 O 4 using a simple one-pot water bath heating method. Fe 3 O 4 @In 2 S 3 exhibited high adsorption and photoreduction capacities for Cr(VI) under wide pH, as well as excellent magnetic separation property. Meanwhile, the adsorption and reduction ability of Fe 3 O 4 @In 2 S 3 towards Cr(VI) maintained high level in low-valent anions system, while it significantly declined with existence of high-valent anion (PO 4 3− ). A sharp contrast between the two situations manifested that the Fe 3 O 4 @In 2 S 3 has strong anti-interference in low-valent anions system. Furthermore, cyclic experiments revealed the admirable photocatalytic activity and reusability of Fe 3 O 4 @In 2 S 3 . According to the results of adsorption and cyclic experiments, a distinctly enhanced proportion of Cr on surface of Fe 3 O 4 @In 2 S 3 in the first cycle experiment was observed, which indicated that the photocatalytic reduction of Cr(VI) probably promoted the immobilization of Cr species on Fe 3 O 4 @In 2 S 3 . XPS analysis results suggested that the Cr(VI) loaded on Fe 3 O 4 @In 2 S 3 mostly reduced to Cr(III) via photocatalytic reduction process with In 2 S 3 , and Fe 3 O 4 partly contributed to its reduction. Finally, the enhanced adsorption and reduction capacity of Fe 3 O 4 @In 2 S 3 for Cr(VI) and its easy recycling feature make it has great application potential in Cr(VI) wastewater treatment.
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 Environmental Chemical Engineering
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2025
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IF 7.2
Tingting Yang,Bin Wang,Xingwang Yan,Gaopeng Liu,Junze Zhao,Mengxia Ji,Paul K. Chu,Jiexiang Xia,Huaming Li
Semiconductor photocatalysis technology is a promising technique for the environmental remediation and new energy development. It is of importance to design the photocatalysts with wide spectral response, high carrier separation efficiency and high redox capacity for the photocatalysis. Herein, a CuS/In 2 S 3 Z-scheme heterojunction is designed and constructed by a one-step hydrothermal method. UPS, free radicals trapping experiments and ESR confirm that the electrons are transferred from CuS to In 2 S 3 through the Z-Scheme mechanism. Benefiting from the construction of Z-scheme heterostructure, the separation of photogenerated carriers is more effective and the redox capacity of the pristine materials reserves the maximum. Compared to pure CuS and In 2 S 3 , CuS/ In 2 S 3 -4 represents the best photocatalytic performance boosting degradation rates of MBT that are 28.1 and 21.7 times higher than this of the CuS and In 2 S 3 , respectively. In the photocatalytic process, ·O 2 - and h + are the main active species. Bean sprout planting experiment showed that the toxicity of the solution decreased after degradation. This work provides a new method of constructing a high-performance Z-scheme heterojunction material for improving the activity and efficiency of the photocatalysts.
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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产品关联
DOI
高影响因子
CHINESE JOURNAL OF CATALYSIS
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2024
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IF 15.7
Tingting Yang,Bin Wang,Paul K. Chu,Jiexiang Xia,Huaming Li
ABSTRACT Fabrication of porous hierarchical structures is an effective method to improve the photo-absorption capability of photocatalysts by enhancing the photogenerated charge separation and transfer. In-based metal-organic frameworks (MOFs) are utilized as self-sacrificial templates to synthesize various hierarchical In 2 S 3 photocatalysts including hollow nanotubes/microtubes/ spheres and dodecahedrons by the sulfidation process. The porous hierarchical structures improve multiple refraction and reflection of the incident light, provide larger surface areas , and increase the light utilization and phase separation efficiency of the photogenerated carriers. As a result, the photocatalytic efficiency is much higher than that of the bulk and commercial In 2 S 3 . In particular, the hollow In 2 S 3 nanotubes (HNTs) have the best photocatalytic properties boosting degradation rates of organic pollutants that are 135.6 and 446.9 times than those of the bulk and commercial-grade In 2 S 3 , respectively. Theoretical calculations, optical/electrical characterization, and free radical trapping experiments reveal that under the condition of light, the photogenerated electron hole pairs produced in In 2 S 3 -HNT can effectively separate due to its hierarchical porous structure. So, the In 2 S 3 -HNT can accumulate more reactive oxygen radicals. This novel self-sacrificial template method has large potential in the design and fabrication of hierarchical high-efficiency photocatalysts.
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
MOLECULES
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2024
·Vol. 29
·期 14
·3334
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IF 4.2
Aizhen Liao,Zhengchu Liu,Yiqing Wei,Qinghua Xie,Ting Kong,Maolin Zeng,Wenpeng Wang,Chao Yang,Linji Zhang,Yonggang Xu,Yong Zhou,Zhigang Zou
The synthesis of the accurate composition and morphological/structural design of multielement semiconductor materials is considered an effective strategy for obtaining high-performance hybrid photocatalysts. Herein, sulfur vacancy (Vs)-bearing In2S3/CuInS2microflower heterojunctions (denoted Vs-In2S3/CuInS2) were formed in situ using In2S3microsphere template-directed synthesis and a metal ion exchange-mediated growth strategy. Photocatalysts with flower-like microspheres can be obtained using hydrothermally synthesized In2S3microspheres as a template, followed by Ostwald ripening growth during the metal cation exchange of Cu+and In3+. The optimal heterostructured Vs-In2S3/CuInS2microflowers exhibited CO and CH4evolution rates of 80.3 and 11.8 μmol g−1h−1, respectively, under visible-light irradiation; these values are approximately 4 and 6.8 times higher than those reported for pristine In2S3, respectively. The enhanced photocatalytic performance of the Vs-In2S3/CuInS2catalysts could be attributed to the synergistic effects of the following factors: (i) the constructed heterojunctions accelerate charge-carrier separation; (ii) the flower-like microspheres exhibit highly uniform morphologies and compositions, which enhance electron transport and light harvesting; and (iii) the vs. may trap excited electrons and, thus, inhibit charge-carrier recombination. This study not only confirms the feasibility of the design of heterostructures on demand, but also presents a simple and efficient strategy to engineer metal sulfide photocatalysts with enhanced photocatalytic performance.
研究领域:
材料科学
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环境科学
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产品关联
DOI
PubMed
高影响因子
Catalysis Science & Technology
·
2021
·Vol. 11
·期 24
·7963-7972
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IF 6.119
Anyu Liu,Jianqiang Hu,Jiale He,Xinyue Huang,Na Hu,Yuqin Li,Qingling Huang,Shien Guo,Xin Liu,Zhen Yang,Yong Zhou,Zhigang Zou
O-doped g-C3N4/In2S3 hierarchical heterostructures with a direct Z-scheme mechanism were devised and constructed simply via loading In2S3 nanoflakes on the surface of O-doped g-C3N4 (OCN) hierarchical structures, in situ, employing pre-obtained OCN (prepared by condensation of oxalic acid and urea) and indium(III) dimethyldithiocarbamate (In(dedc)3) as precursors. Analyses of the energy band structure, density functional theory (DFT) computations and DMPO-ESR spin-trapping experiments demonstrate that the formation of a perfect heterointerface with a staggered alignment of band edges between OCN and In2S3 (IS), owing to their close contact, enables photoexcited carriers to migrate via a Z-scheme route, which can maintain the higher reduction and oxidation capability of electrons and holes, respectively. Furthermore, the Z-scheme OCN/IS heterostructures efficaciously facilitate the separation of photogenerated electrons and holes, as demonstrated using PL spectra, transient photocurrent densities and electrochemical impedance spectra (EIS). These lead to the enhanced photocatalytic activity towards reducing Cr(VI) into Cr(III). Besides, the integration of OCN with IS can enhance the responsiveness to visible light based on the results of UV-vis DRS, thereby inducing the formation of more electrons and holes,and also contributing to the improvement of the photocatalytic activity for Cr(VI) reduction. In consequence, all the pre-prepared OCN/IS hybrids possess markedly improved photocatalytic activities for Cr(VI) reduction, relative to pure OCN and pristine IS under visible light (λ > 420 nm) illumination. With the increase in the In(dedc)3 to OCN mass ratio (R), the photocatalytic activities of these OCN/IS hybrids increase first and then decrease. The sample with an optimum R of 0.9 (OCN/IS-0.9) can remove nearly 100% of Cr(VI) after 40 min of illumination, being superior to most of g-C3N4-based and IS-based photocatalysts. Its reaction rate constant for Cr(VI) photoreduction (0.08947 min−1) is 56.7 fold and 8.8 fold higher than that of pure OCN (0.00155 min−1) and pristine IS (0.00913 min−1), respectively. This work affords a deep understanding on designing preeminent Z-scheme photocatalysts towards the degradation of Cr(VI) under visible-light irradiation.
研究领域:
材料科学
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环境科学
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化学工程
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产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2021
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IF 13.273
Yichao Wang,Zipeng Xing,Huanan Zhao,Sijia Song,Meijie Liu,Zhenzi Li,Wei Zhou
Oxygen-doped MoS 2 @In 2 S 3 /Bi 2 S 3 core-shell dual Z-scheme tandem heterojunctions are fabricated via two-step hydrothermal methods. In 2 S 3 and Bi 2 S 3 nanosheets grow on the outer surface of oxygen-doped MoS 2 spheres, and the tight interface between the spheres could ensure stable electron transfer. MoS 2 with oxygen defects could inhibit the recombination of photo-induced electron-hole pairs. The unique core-shell structure increases the interface area and provides adequate surface reactive sites for the reactants. The resultant MoS 2 @In 2 S 3 /Bi 2 S 3 shows broad-spectrum response and excellent photothermal effect, which is beneficial to trigger the near-field temperature rise and promote the photocatalytic process. The MoS 2 @In 2 S 3 /Bi 2 S 3 exhibits excellent photocatalytic H 2 evolution rate of 973.42 μmol h −1 g −1 , and the degradation efficiency of tetracycline within 90 min is 99.6%, which is ∼ 10 times higher than that of pristine MoS 2 . It can be ascribed to the unique core-shell dual Z-scheme tandem heterojunction structure facilitates the transfer and spatial separation of photogenerated electron-hole pairs, and greatly prolongs the carrier lifetime. In addition, the long-term stability indicates the potential applications due to the core-shell dual Z-scheme tandem structure inhibiting the photocorrosion of sulfides.
研究领域:
材料科学
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环境科学
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化学
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DOI
高影响因子
危险品化学品经营许可证（带存储）