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学者姓名：林伟
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Abstract ：
Photocatalysts with abundant oxygen vacancies (OVs) exhibit enhanced activity for the direct oxidation of benzene to phenol with O2, owing to their superior O2 activation and charge separation properties. However, OVs on metal oxide surfaces such as WO3 are susceptible to healing by oxygen-containing reactants or intermediates, leading to their irreversible deactivation. Herein, we demonstrate that incorporating Mo into the WO3 lattice effectively lowers the energy barrier for OV formation, promoting the dynamic formation of more abundant photoinduced OVs in situ on the surface during the photocatalytic reaction. These Mo-promoted photoinduced OVs are found to ensure the long-term sustainability of sufficient OVs under working conditions, enhancing photocatalytic performance and particularly its durability in the aerobic oxidation of benzene to phenol. These findings provide a straightforward strategy to overcome the issue of OV healing, enabling the sustainable operation of OV-rich photocatalysts for a range of emerging applications, even in O2-involved redox reactions.
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| GB/T 7714 | Yu, Zhenzhen , Yu, Dexi , Wang, Xiaoyi et al. Photoinduced Formation of Oxygen Vacancies on Mo-Incorporated WO3 for Direct Oxidation of Benzene to Phenol by Air [J]. | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (16) : 13885-13892 . |
| MLA | Yu, Zhenzhen et al. "Photoinduced Formation of Oxygen Vacancies on Mo-Incorporated WO3 for Direct Oxidation of Benzene to Phenol by Air" . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 147 . 16 (2025) : 13885-13892 . |
| APA | Yu, Zhenzhen , Yu, Dexi , Wang, Xiaoyi , Huang, Meirong , Hou, Yidong , Lin, Wei et al. Photoinduced Formation of Oxygen Vacancies on Mo-Incorporated WO3 for Direct Oxidation of Benzene to Phenol by Air . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (16) , 13885-13892 . |
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Lead pollution presents a significant threat to ecological systems and human health, underscoring the urgent need for highly sensitive detection methods. Herein, we introduce a novel DNA concatemer-encoded CRISPR/Cas12a fluorescence sensor (MDD-Cas12a) for sensitive detection of Pb2+ based on DNAzymes. To accomplish this, we designed a substrate strand containing a long DNA concatemer encoding multiple protospacer adjacent motifs (PAMs) and protospacer sequences for activation of the CRISPR/Cas12a system. The DNA concatemer was subsequently anchored to the surface of magnetic beads (MBs) to fabricate a MBs-DNA concatemer nanoprobe. In the presence of Pb2+, the DNAzyme structure catalyzes the cleavage of the substrate strand, leading to the release of DNA concatemers. Following magnetic separation, the released DNA concatemers significantly activate the non-specific trans-cleavage activity of the Cas12a/crRNA complex. The fluorescence reporter DNA is then completely cleaved by the activated Cas12a/crRNA complex, and the Pb2+ concentration in the sample can be quantified by measuring the fluorescence signal. By harnessing the specific recognition capability of DNAzymes for Pb2+, the programmability of DNA concatemers, and the self-amplification features of the CRISPR/Cas12a system, the MDD-Cas12a platform demonstrates high sensitivity and specificity for detecting Pb2+ in milk and lake water samples.
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| GB/T 7714 | He, Shaoying , Lin, Wei , Liu, Xin et al. A DNA concatemer-encoded CRISPR/Cas12a fluorescence sensor for sensitive detection of Pb2+ based on DNAzymes [J]. | ANALYST , 2025 , 150 (9) : 1778-1784 . |
| MLA | He, Shaoying et al. "A DNA concatemer-encoded CRISPR/Cas12a fluorescence sensor for sensitive detection of Pb2+ based on DNAzymes" . | ANALYST 150 . 9 (2025) : 1778-1784 . |
| APA | He, Shaoying , Lin, Wei , Liu, Xin , Li, Fei , Liang, Hong , Xu, Huo et al. A DNA concatemer-encoded CRISPR/Cas12a fluorescence sensor for sensitive detection of Pb2+ based on DNAzymes . | ANALYST , 2025 , 150 (9) , 1778-1784 . |
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A simple one-pot method is developed to prepare positively charged aggregated silver nanoparticles (a-AgNPs). The obtained a-AgNPs show strong localized surface plasmon resonance (LSPR) absorption, whose wavelength can be easily tuned to match the commonly used lasers in surface enhanced Raman scattering (SERS). Furthermore, the obtained a-AgNPs can be easily fabricated into paper-based SERS chips by filtering against a negatively charged filter membrane. On the basis, a convenient SERS sensor has been developed for the detection of thiram using a 785 nm handheld Raman spectrometer.
Keyword ：
Aggregated AgNPs Aggregated AgNPs Paper-based chips Paper-based chips Positively charged Positively charged SERS SERS Thiram Thiram
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| GB/T 7714 | Lin, Wei , Liu, Zesong , Zhang, Jingwen et al. Paper-based SERS chips for the rapid detection of thiram [J]. | SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY , 2025 , 332 . |
| MLA | Lin, Wei et al. "Paper-based SERS chips for the rapid detection of thiram" . | SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 332 (2025) . |
| APA | Lin, Wei , Liu, Zesong , Zhang, Jingwen , Xu, Jinhua , Fu, Fengfu , Lin, Zhenyu et al. Paper-based SERS chips for the rapid detection of thiram . | SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY , 2025 , 332 . |
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How to improve the efficiency and selectivity of deep reduction product during the process of CO2RR still remains a challenging task in the design of single atom catalyst (SAC). In this study, TM/Ti2CO2 (TM = Sc-Ni) with one surface O atom being substituted by either N (TM/Ti2CO2_N) or B (TM/Ti2CO2_B) was investigated via the density functional theory with respect to their catalytic performance in CO2RR. By comparison, doping boron reduces the polar covalency of TM-B interaction, whose electronic configuration becomes quite different from that of both TM-O and TM-N interaction. Owing to such special bonding characteristics, TM/Ti2CO2_B displays much stronger inclination towards CH4 formation by effectively increasing the binding strength of reaction intermediates during CO formation and breaking the scaling relation between CO* and CHO*. Furthermore, the work function and d-band center were employed as descriptors to quantify the catalytic efficiency of different C1 products, from which the optimum catalysts for both CO (Mn/Ti2CO2_N, UL = −0.18 V) and CH4 (Fe/Ti2CO2_B, UL = −0.29 V) have been determined. Overall, our results suggest that the catalytic performance of MXene-based SACs towards different C1 products could be significantly improved by introducing the exotic functional group. © 2025 Elsevier Inc.
Keyword ：
Local density approximation Local density approximation Reaction intermediates Reaction intermediates
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| GB/T 7714 | Yu, Jie , Zeng, Yabing , Chen, Junyao et al. First-principles investigation into influence of exotic functional groups on enhancing catalytic performance of MXene-based single atom catalysts towards CO2RR [J]. | Journal of Colloid and Interface Science , 2025 , 697 . |
| MLA | Yu, Jie et al. "First-principles investigation into influence of exotic functional groups on enhancing catalytic performance of MXene-based single atom catalysts towards CO2RR" . | Journal of Colloid and Interface Science 697 (2025) . |
| APA | Yu, Jie , Zeng, Yabing , Chen, Junyao , Tan, Kai , Lin, Wei . First-principles investigation into influence of exotic functional groups on enhancing catalytic performance of MXene-based single atom catalysts towards CO2RR . | Journal of Colloid and Interface Science , 2025 , 697 . |
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The integration of heterogeneous photocatalysts with nickel catalysis is garnering considerable interest for their capacity to enable distinct metal-photoredox processes for organic synthesis. However, the challenge about robustness and recyclability of the photocatalyst persists. Herein, a crystalline carbon nitride (MCN-B) photocatalyst with intentionally introduced defects and a dedicated designed active site has been presented. Results reveal by incorporating the deprotonated cyano-group (N--CN) sites, this host material could provide stable binding sites for Ni (II) ions through the Hard-Soft Acid-Base (HSAB) effect, thereby facilitating charge transmission between semiconductor and metal centers. Consequently, the integrated carbon nitride nickel (Ni/MCNB) heterogeneous photocatalyst demonstrates high effectiveness in diverse photocatalytic C-N coupling reactions (21 examples, up to 93% yield) under conditions free from organic ligands and additives, which shows competent performance to the homogeneous catalysts. Moreover, the Ni/MCN-B catalyst demonstrates remarkable recyclability, maintaining its photoredox efficiency after 10 cycles with minimal loss of activity and a diminished metal leaching rate, which signifies a substantial advancement in the field of photocatalytic system design.
Keyword ：
Carbon nitride Carbon nitride Cross-coupling Cross-coupling Crystalline polymer Crystalline polymer Photocatalysis Photocatalysis
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| GB/T 7714 | Zhang, Huali , Chen, Xiaoxiao , Cheng, Jiajia et al. Heterogeneous metallaphotocatalytic Cross-Coupling reactions by a carbon Nitride-Nickel catalyst [J]. | JOURNAL OF CATALYSIS , 2024 , 433 . |
| MLA | Zhang, Huali et al. "Heterogeneous metallaphotocatalytic Cross-Coupling reactions by a carbon Nitride-Nickel catalyst" . | JOURNAL OF CATALYSIS 433 (2024) . |
| APA | Zhang, Huali , Chen, Xiaoxiao , Cheng, Jiajia , Yang, Xintuo , Lin, Wei , Hou, Yidong et al. Heterogeneous metallaphotocatalytic Cross-Coupling reactions by a carbon Nitride-Nickel catalyst . | JOURNAL OF CATALYSIS , 2024 , 433 . |
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Cadmium sulfide (CdS) exhibits remarkable light absorption capabilities and is widely employed in photocatalytic reduction of CO2. Nevertheless, the crystal facet effects on the micro-scale mechanisms governing CO2 conversion on CdS remain elusive. This study theoretically investigates the electronic properties of hexagonal-phase (101), (001), and cubic-phase (111) CdS surfaces modified with diethylenetriamine (DETA). From a microscopic viewpoint, it elucidates the unique bonding characteristics of CO2 on different exposed facets of DETA/CdS and the formation mechanisms leading to products such as CO, HCOOH, CH2O, CH3OH, and CH4. Our findings reveal that the DETA/CdS(101) surface is the most stable, effectively adsorbing hydrogen and CO2 at varied Cd sites with a high selectivity towards CO production, thereby showing promise for syngas generation, albeit with potential yields of formic acid and methane. Conversely, DETA/CdS(001) and (111) primarily facilitate the reduction of CO2 to CH4. These discoveries offer theoretical insights into photochemical experiments involving CO2 reduction on CdS, shedding light on the influence of crystal facets on reaction pathways.
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| GB/T 7714 | Guo, Meiyan , Yang, Wanxiang , Li, Yi et al. Mechanistic study of DETA-modified CdS for carbon dioxide reduction [J]. | CATALYSIS SCIENCE & TECHNOLOGY , 2024 , 14 (24) : 7172-7181 . |
| MLA | Guo, Meiyan et al. "Mechanistic study of DETA-modified CdS for carbon dioxide reduction" . | CATALYSIS SCIENCE & TECHNOLOGY 14 . 24 (2024) : 7172-7181 . |
| APA | Guo, Meiyan , Yang, Wanxiang , Li, Yi , Zhang, Yongfan , Lin, Wei . Mechanistic study of DETA-modified CdS for carbon dioxide reduction . | CATALYSIS SCIENCE & TECHNOLOGY , 2024 , 14 (24) , 7172-7181 . |
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Development of earth-abundant, low-cost and easily synthesizable catalysts for the semi-hydrogenation of acetylene is urgently needed. Here, we have systematically investigated the structure, electronic properties, hydrogen dissociation, and acetylene semi-hydrogenation activity and selectivity of poly(heptazine imide) (PHI) loaded with different sizes of Cun (n = 1,2,4,13) clusters (Cun/PHI) by density functional theory calculations. The results show that Cu4/PHI with tetrahedral configuration has a better hydrogenation activity in the acetylene semi-hydrogenation reaction with H adsorbed in the vicinity of acetylene and subsequent intermediates in a nonbridge position, resulting in a smaller hydrogenation energy barrier. In addition, the top Cu atom transfers a large number of electrons to the bottom Cu atoms and PHI, and only a small number of electrons transfer to ethylene, resulting in weak adsorption of ethylene and easy desorption, which makes it good selectivity and therefore it can be used as a candidate catalyst for the semi-hydrogenation of acetylene. This study provides insights into the design of catalysts with suitable size clusters loaded on carbon nitride materials for efficient acetylene semihydrogenation reactions.
Keyword ：
Acetylene semi-hydrogenation Acetylene semi-hydrogenation Activity Activity Cu n clusters Cu n clusters Density functional theory calculations Density functional theory calculations Poly(heptazine imide) Poly(heptazine imide) Selectivity Selectivity
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| GB/T 7714 | Chen, Xiaoxiao , Li, Yi , Yuan, Yaofeng et al. What size of Cun clusters loaded on poly(heptazine imide) have better catalytic performance for acetylene semi-hydrogenation? [J]. | MOLECULAR CATALYSIS , 2024 , 569 . |
| MLA | Chen, Xiaoxiao et al. "What size of Cun clusters loaded on poly(heptazine imide) have better catalytic performance for acetylene semi-hydrogenation?" . | MOLECULAR CATALYSIS 569 (2024) . |
| APA | Chen, Xiaoxiao , Li, Yi , Yuan, Yaofeng , Lin, Wei . What size of Cun clusters loaded on poly(heptazine imide) have better catalytic performance for acetylene semi-hydrogenation? . | MOLECULAR CATALYSIS , 2024 , 569 . |
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As typical representatives of group III chalcogenides, InSe, alpha -In2Se3, and beta ' -In2Se3 have drawn considerable interest in the domain of photoelectrochemistry. However, the microscopic mechanisms of carrier dynamics in these systems remain largely unexplored. In this work, we first reveal that hot electrons in the three systems have different cooling rate stages and long-lived hot electrons, through the utilization of density functional theory calculations and nonadiabatic molecular dynamics simulations. Furthermore, the ferroelectric polarization of alpha -In2Se3 weakens the nonadiabatic coupling of the nonradioactive recombination, successfully competing with the narrow bandgap and slow dephasing process, and achieving both high optical absorption efficiency and long carrier lifetime. In addition, we demonstrate that the ferroelectric polarization of alpha -In2Se3 not only enables the formation of the double type-II band alignment in the InSe/alpha -In2Se3/InSe heterostructure, with the top and bottom InSe sublayers acting as acceptors and donors, respectively, but also eliminates the hindrance of the built-in electric field at the interface, facilitating an ultrafast interlayer carrier transfer in the heterojunction. This work establishes an atomic mechanism of carrier dynamics in InSe, alpha -In2Se3, and beta ' -In2Se3 and the regulatory role of the ferroelectric polarization on the charge carrier dynamics, providing a guideline for the design of photoelectronic materials.
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| GB/T 7714 | Lau, Guanghua , Li, Yi , Zhang, Yongfan et al. Reveal long-lived hot electrons in 2D indium selenide and ferroelectric-regulated carrier dynamics of InSe/α-In2Se3/InSe heterostructure [J]. | JOURNAL OF CHEMICAL PHYSICS , 2024 , 160 (12) . |
| MLA | Lau, Guanghua et al. "Reveal long-lived hot electrons in 2D indium selenide and ferroelectric-regulated carrier dynamics of InSe/α-In2Se3/InSe heterostructure" . | JOURNAL OF CHEMICAL PHYSICS 160 . 12 (2024) . |
| APA | Lau, Guanghua , Li, Yi , Zhang, Yongfan , Lin, Wei . Reveal long-lived hot electrons in 2D indium selenide and ferroelectric-regulated carrier dynamics of InSe/α-In2Se3/InSe heterostructure . | JOURNAL OF CHEMICAL PHYSICS , 2024 , 160 (12) . |
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Creating useful chemicals or fuels from CO 2 is one of the most promising ways to reach carbon neutral. In this work, through the formation of Lewis acid sites, a string of boron-atom-coordinated Ru single -atom catalysts (SACs), namely RuB x N 4-x @TiN (x=0 - 4), were constructed, and their CO 2 reduction reaction (CO 2 RR) was systematically studied. The results show that o -RuB 2 N 2 @TiN, p -RuB 2 N 2 @TiN, and RuB 3 N 1 @TiN are able to efficiently inhibit the competitive hydrogen evolution reaction (HER) and activate CO 2 , with a potentialdetermining step lower than 0.7 eV and high selectivity for CH 4 generation. This work shows that the synergistic effect of B and Ru atoms are able to effectively improve the catalytic activity, which is expected to offer a possible tactic for the sensible creation of effective CO 2 RR catalysts.
Keyword ：
CO2 reduction CO2 reduction Coordination-tuned Coordination-tuned Density functional theory Density functional theory Lewis acid sites Lewis acid sites TiN TiN
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| GB/T 7714 | Pan, Junhui , Kong, Yuehua , Li, Yi et al. Coordination-tuned Ru single-atom catalyst for efficient catalysis of CO 2 to CH 4 on RuB x N 4-x @TiN (x=0-4) [J]. | JOURNAL OF CO2 UTILIZATION , 2024 , 84 . |
| MLA | Pan, Junhui et al. "Coordination-tuned Ru single-atom catalyst for efficient catalysis of CO 2 to CH 4 on RuB x N 4-x @TiN (x=0-4)" . | JOURNAL OF CO2 UTILIZATION 84 (2024) . |
| APA | Pan, Junhui , Kong, Yuehua , Li, Yi , Zhang, Yongfan , Lin, Wei . Coordination-tuned Ru single-atom catalyst for efficient catalysis of CO 2 to CH 4 on RuB x N 4-x @TiN (x=0-4) . | JOURNAL OF CO2 UTILIZATION , 2024 , 84 . |
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Thermocatalytic nonoxidative ethane dehydrogenation(EDH)is a promising strategy for ethene produc-tion but suffers from intense energy consumption and poor catalyst durability;exploring technology that permits efficient EDH by solar energy remains a giant challenge.Herein,we present that an oxygen va-cancy(Ov)-rich LaVO4(LaV04-Ov)catalyst is highly active and stable for photocatalytic EDH,through a dynamic lattice oxygen(Olatt.)and Ov co-mediated mechanism.Irradiated by simulated sunlight at mild conditions,LaVO4-Ov effectively dehydrogenates undiluted ethane to produce C2H4 and CO with a con-version of 2.3％.By loading a small amount of Pt cocatalyst,the evolution and selectivity of C2H4 are en-hanced to 275 μmol h-1 g-1 and 96.8％.Of note,LaVO4-Ov appears nearly no carbon deposition after the reaction.The isotope tracked reactions reveal that the consumed Olatt.recuperates by exposing the used catalyst with O2,thus establishing a dynamic cycle of Olatt,and achieving a facile catalyst regeneration to preserve its intrinsic activity.The refreshed LaVO4-Ov exhibits superior reusability and delivers a turnover number of about 305.The Ov promotes photo absorption,boosts ethane adsorption/activation,and accel-erates charge separation/transfer,thus improving the photocatalytic efficiency.The possible photocatalytic EDH mechanism is proposed,considering the key intermediates predicted by density functional theory(DFT)and monitored by in-situ diffuse reflectance infrared Fourier transform spectroscopy(DRIFTS).
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| GB/T 7714 | Fen Wei , Weichao Xue , Zhiyang Yu et al. Dynamic cooperations between lattice oxygen and oxygen vacancies for photocatalytic ethane dehydrogenation by a self-restoring LaVO4 catalyst [J]. | 中国化学快报（英文版） , 2024 , 35 (3) : 171-176 . |
| MLA | Fen Wei et al. "Dynamic cooperations between lattice oxygen and oxygen vacancies for photocatalytic ethane dehydrogenation by a self-restoring LaVO4 catalyst" . | 中国化学快报（英文版） 35 . 3 (2024) : 171-176 . |
| APA | Fen Wei , Weichao Xue , Zhiyang Yu , Xue Feng Lu , Sibo Wang , Wei Lin et al. Dynamic cooperations between lattice oxygen and oxygen vacancies for photocatalytic ethane dehydrogenation by a self-restoring LaVO4 catalyst . | 中国化学快报（英文版） , 2024 , 35 (3) , 171-176 . |
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