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学者姓名：林伟
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Abstract ：
Lattice oxygen-mediated photocatalytic ethane dehydrogenation represents a sustainable strategy for ethylene production, yet achieving a balance between high productivity, selectivity, and durability remains challenging. Here, we report a defective NiO-300 catalyst, where precisely engineered Ni vacancies activate lattice oxygen by weakening Ni-O bond and improving lattice oxygen mobility. This promotes efficient ethane activation and C-H bonds cleavage through photoinduced hole capture, intensifying ethane dehydrogenation via a light-boosted Mars-van Krevelen mechanism. The NiO-300 catalyst manifests a high ethylene yield of 604.5 mu mol g-1 h-1 with 100% selectivity and stability over 200 cycles. In situ spectroscopic and theoretical studies elucidate the generation of active oxygen species, the evolution of Ni coordination, the formation of key intermediates, and the underlying photocatalytic mechanism. Our findings highlight cation vacancy engineering as a powerful tactic to fully activate lattice oxygen for solar-driven alkene production from alkane dehydrogenation over oxide photocatalysts.
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| GB/T 7714 | Wei, Fen , Zhao, Jiwu , Liu, Yu-Chun et al. Photocatalytic ethylene production over defective NiO through lattice oxygen participation [J]. | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
| MLA | Wei, Fen et al. "Photocatalytic ethylene production over defective NiO through lattice oxygen participation" . | NATURE COMMUNICATIONS 16 . 1 (2025) . |
| APA | Wei, Fen , Zhao, Jiwu , Liu, Yu-Chun , Hsu, Yung-Hsi , Hung, Sung-Fu , Fu, Junwen et al. Photocatalytic ethylene production over defective NiO through lattice oxygen participation . | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
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Covalent organic frameworks (COFs) have emerged as a compelling class of materials for active layers in memristors, yet the determinants of their electrical properties and effective tuning strategies remain elusive. Herein, the study unveils two novel pyrene-based COFs (Py-COFs)-the one-dimensional (1D) H-Py-BT COF and the two-dimensional (2D) Py-BT COF-crafted with structural kinship yet divergent dimensionalities via tailored pyrene monomer connectivity. The effect of structural and dimensional disparities on memristive device performance and image recognition precision is systematically investigated. Notably, the 1D H-Py-BT COF harnesses weak in-plane and interlayer hydrogen bonding interactions to enhance charge separation and promote directional electron transport. This unique configuration enables devices fabricated with the 1D H-Py-BT COF (101 nm thick) to deliver exceptional performance, evidenced by a high ON/OFF current ratio (approximate to 103.7) and an image recognition accuracy of 76%, outperforming those based on the 2D Py-BT COF. These findings underscore the pivotal role of COF dimensionality and molecular interactions in dictating device functionality, offering valuable insights for advancing COF-based memristive technologies.
Keyword ：
1D covalent organic framework 1D covalent organic framework intermolecular hydrogen bonding intermolecular hydrogen bonding memristors memristors neuromorphic computing neuromorphic computing synaptic mimicry synaptic mimicry
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| GB/T 7714 | Huang, Yuxing , Yang, Wanxiang , Zhou, Pan-Ke et al. Intermolecular Hydrogen-Bond Stabilized 1D Pyrene-Based Covalent Organic Framework for Advanced Memory Devices and Neuromorphic Computing [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Huang, Yuxing et al. "Intermolecular Hydrogen-Bond Stabilized 1D Pyrene-Based Covalent Organic Framework for Advanced Memory Devices and Neuromorphic Computing" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Huang, Yuxing , Yang, Wanxiang , Zhou, Pan-Ke , Liu, Nengyi , Xu, Shumeng , Qiu, Jiawen et al. Intermolecular Hydrogen-Bond Stabilized 1D Pyrene-Based Covalent Organic Framework for Advanced Memory Devices and Neuromorphic Computing . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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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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Stacking order critically influences the optoelectronic properties of 2D van der Waals materials. Here, first-principles calculations were performed to study the geometries, band structures, and second-harmonic generation (SHG) of hexagonal boron nitride (h-BN) bilayers constructed by the relative shifts and rotations between h-BN layers. Our results indicate that the stability, interlayer coupling, and band structures of h-BN bilayers are sensitive to the stacking orders. For interlayer sliding, the direction and size of lateral displacement obviously affect the band gap and components at the band edge. By contrast, the band structure of twisted h-BN bilayers is highly angle-dependent, and when the sum of twist angles in two moire superlattices is 60 degrees, they have similar band structures due to identical band folding. As for the second-order susceptibility, interlayer sliding tends to enhance the SHG intensity compared to that of the original AA stacking. When the incident angle of the pump light deviates from the normal direction of the h-BN bilayer, the change in lattice symmetry induced by interlayer sliding results in distinct variations in SHG patterns, thereby facilitating identification of the corresponding structures through polarization-resolved SHG spectroscopy. For twisted configurations, as the rotation angle increases from 0 to 60 degrees, the evolution of SHG intensity departs significantly from the coherent superposition model due to the strong exciton effects in h-BN bilayers. Although the interlayer rotation preserves the SHG polarization image, the experimental measurement of relative SHG intensity enables the determination of the rotation angle, which allows for distinguishing structures of twisted h-BN bilayers.
Keyword ：
band structure band structure first-principlescalculation first-principlescalculation hexagonal boron nitride (h-BN) hexagonal boron nitride (h-BN) second-harmonic generation second-harmonic generation stacking order stacking order
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| GB/T 7714 | Ma, Honglin , Yang, Chen , Ni, Bilian et al. Artificial Stacking Dependences of Band Structures and Second-Harmonic Generations in Bilayer Hexagonal Boron Nitride [J]. | ACS NANO , 2025 , 19 (17) : 16569-16583 . |
| MLA | Ma, Honglin et al. "Artificial Stacking Dependences of Band Structures and Second-Harmonic Generations in Bilayer Hexagonal Boron Nitride" . | ACS NANO 19 . 17 (2025) : 16569-16583 . |
| APA | Ma, Honglin , Yang, Chen , Ni, Bilian , Li, Yi , Huang, Shuping , Lin, Wei et al. Artificial Stacking Dependences of Band Structures and Second-Harmonic Generations in Bilayer Hexagonal Boron Nitride . | ACS NANO , 2025 , 19 (17) , 16569-16583 . |
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Polymeric carbon nitride (PCN, also called melon) was a potential photocatalyst for the CO2 reduction reaction (CO2RR), but the conjugation of the system inhibited the efficiency. By modifying melon with non-metal elements such as boron (B), phosphorus (P), oxygen (O), and sulfur (S), we found that S (or O) doped melon (S/melon, O/melon) transformed the reactive site of pyridine nitrogen (N) to carbon (C), which promoted COOH* hydrogenation to CO* and, thus, improved the CO2 reactivity and CO selectivity significantly. In addition, nonadiabatic molecular dynamics simulations showed that the trap states of the O/melon and S/melon can rapidly capture excited electrons to participate in the CO2RR and improve the photocatalytic reaction efficiency. This work provided theoretical insight for the design of efficient CO2RR photocatalysts based on metal-free materials.
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| GB/T 7714 | Kong, Yuehua , Ye, Junlin , Ding, Kaining et al. Reactive Site Transformation in Non-Metal Doped Polymeric Carbon Nitride Improving CO2 Photoreduction Efficiency [J]. | JOURNAL OF PHYSICAL CHEMISTRY LETTERS , 2025 , 16 (20) : 4869-4874 . |
| MLA | Kong, Yuehua et al. "Reactive Site Transformation in Non-Metal Doped Polymeric Carbon Nitride Improving CO2 Photoreduction Efficiency" . | JOURNAL OF PHYSICAL CHEMISTRY LETTERS 16 . 20 (2025) : 4869-4874 . |
| APA | Kong, Yuehua , Ye, Junlin , Ding, Kaining , Lin, Wei . Reactive Site Transformation in Non-Metal Doped Polymeric Carbon Nitride Improving CO2 Photoreduction Efficiency . | JOURNAL OF PHYSICAL CHEMISTRY LETTERS , 2025 , 16 (20) , 4869-4874 . |
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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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Photocatalytic CO2 reduction reaction (CO2RR) is an effective pathway for high value-added chemicals. Poly (triazine imides) (PTI) have a great potential for photocatalytic CO2RR due to its high crystallinity. We have codoped PTI with nonmetals B and S, in which the charge compensation between B and S forms a shallow "donor-acceptor pair". The charge compensation effect regulates the polarity of Lewis acid-base pairs so that more electrons localize in the pyridine N, which facilitates the CO2 hydrogenation and improves both the activity and the selectivity of CO2RR to CO. Furthermore, the hydrogen source of the reaction is the adsorbed H* rather than the substrate H from PTI. Through the nonadiabatic molecular dynamics simulations, although B and S codoping PTI (B-S1/PTI) has a larger nonadiabatic coupling and a narrower energy gap than B doping PTI (B/PTI), a fast decoherence rate prolongs the nonradiative recombination time and carrier lifetime of B-S1/PTI, which improves its catalytic efficiency of CO2RR. This work reveals that the charge compensation effect of nonmetals enhances the photocatalytic CO2RR performance and prolongs the charge carrier lifetime.
Keyword ：
Charge carrier lifetime Charge carrier lifetime Charge compensation Charge compensation CO 2 reduction reaction CO 2 reduction reaction Nonadiabatic molecular dynamics Nonadiabatic molecular dynamics
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| GB/T 7714 | Kong, Yuehua , Ye, Junlin , Ding, Kaining et al. Charge Compensation Promotes Reaction Activity, CO Selectivity, and Charge Carrier Lifetime of CO2 Photoreduction on Crystalline Carbon Nitride [J]. | APPLIED SURFACE SCIENCE , 2025 , 690 . |
| MLA | Kong, Yuehua et al. "Charge Compensation Promotes Reaction Activity, CO Selectivity, and Charge Carrier Lifetime of CO2 Photoreduction on Crystalline Carbon Nitride" . | APPLIED SURFACE SCIENCE 690 (2025) . |
| APA | Kong, Yuehua , Ye, Junlin , Ding, Kaining , Lin, Wei . Charge Compensation Promotes Reaction Activity, CO Selectivity, and Charge Carrier Lifetime of CO2 Photoreduction on Crystalline Carbon Nitride . | APPLIED SURFACE SCIENCE , 2025 , 690 . |
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Kinetic factors frequently emerge as the primary constraints in photocatalysis, exerting a critical influence on the efficacy of polymeric photocatalysts. The diverse conjugation systems within covalent organic frameworks (COFs) can significantly impact photon absorption, energy level structures, charge separation and migration kinetics. Consequently, these limitations often manifest as unsatisfactory kinetic behavior, which adversely affects the photocatalytic activity of COFs. To address these challenges, we propose a methoxy (-OMe) molecular engineering strategy designed to enhance charge carrier kinetics and mitigate mass transfer resistance. Through strategic modulation of the position and quantity of -OMe units, we can effectively manipulate the p-pi conjugation, thereby enhancing charge separation and migration. Moreover, COFs enriched with -OMe moieties exhibit enhanced mass transfer dynamics due to the hydrophilic nature of methoxy groups, which facilitate the diffusion of reactants and products within the porous structure. This approach is hypothesized to drive an efficient photocatalytic hydrogen evolution reaction.
Keyword ：
Charge separation Charge separation Covalent Organic Framework Covalent Organic Framework Hydrogen evolution Hydrogen evolution Photocatalysis Photocatalysis p-pi resonance effect p-pi resonance effect
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| GB/T 7714 | Luo, Zhipeng , Zhu, Shipeng , Xue, Huanglan et al. Manipulating p-π Resonance through Methoxy Group Engineering in Covalent Organic Frameworks for an Efficient Photocatalytic Hydrogen Evolution [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (6) . |
| MLA | Luo, Zhipeng et al. "Manipulating p-π Resonance through Methoxy Group Engineering in Covalent Organic Frameworks for an Efficient Photocatalytic Hydrogen Evolution" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 64 . 6 (2025) . |
| APA | Luo, Zhipeng , Zhu, Shipeng , Xue, Huanglan , Yang, Wanxiang , Zhang, Fengtao , Xu, Fei et al. Manipulating p-π Resonance through Methoxy Group Engineering in Covalent Organic Frameworks for an Efficient Photocatalytic Hydrogen Evolution . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (6) . |
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Oxygen vacancies (OVs) spatially confined on the surface of metal oxide semiconductors are advantageous for photocatalysis, in particular, for O2-involved redox reactions. However, the thermal annealing process used to generate surface OVs often results in undesired bulk OVs within the metal oxides. Herein, a high pressure-assisted thermal annealing strategy has been developed for selectively confining desirable amounts of OVs on the surface of metal oxides, such as tungsten oxide (WO3). Applying a pressure of 1.2 gigapascal (GPa) on WO3 induces significant lattice compression, which would strengthen the W-O bonds and increase the diffusion activation energy for the migration of the O migration. This pressure-induced compression effectively inhibits the formation of bulk OVs, resulting in a high density of surface-confined OVs on WO3. These well-defined surface OVs significantly enhance the photocatalytic activation of O2, facilitating H2O2 production and aerobic oxidative coupling of amines. This strategy holds promise for the defect engineering of other metal oxides, enabling abundant surface OVs for a range of emerged applications.
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| GB/T 7714 | Wang, Xiaoyi , Xue, Sikang , Huang, Meirong et al. Pressure-Induced Engineering of Surface Oxygen Vacancies on Metal Oxides for Heterogeneous Photocatalysis [J]. | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (6) : 4945-4951 . |
| MLA | Wang, Xiaoyi et al. "Pressure-Induced Engineering of Surface Oxygen Vacancies on Metal Oxides for Heterogeneous Photocatalysis" . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 147 . 6 (2025) : 4945-4951 . |
| APA | Wang, Xiaoyi , Xue, Sikang , Huang, Meirong , Lin, Wei , Hou, Yidong , Yu, Zhiyang et al. Pressure-Induced Engineering of Surface Oxygen Vacancies on Metal Oxides for Heterogeneous Photocatalysis . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (6) , 4945-4951 . |
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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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