ACS Catalysis
·
2025
·
IF 13.1
Shihao Li,Jiafu Shi,Yu Chen,Xinyu Mao,Shusong Liu,Yang Yang,Hong Wu,Zhongyi Jiang
Amino alcohols are widely used in chemical and pharmaceutical industries, while conventional synthesis methods face drawbacks such as low selectivity and high energy consumption. Multienzyme catalysis combined with light-driven cofactor regeneration affords a platform of light-driven synthesis of chemicals, where the transfer of electrons and protons as well as the route of enzymatic reactions dominates the energy conversion efficiency and atomic economy of carbon utilization. Herein, we construct a light-driven synthesis system comprising an energy-supplying module and a multienzyme catalytic module for 2-aminoethanol synthesis from formaldehyde and ammonia. First, a S-scheme heterojunction photocatalysts with a metal–organic framework core and a bipyridine-based conjugated polymer shell are prepared as an energy-supplying module. Through synergistic intensification of proton transfer and electron transfer, the photocatalysts render cofactor (NADH) regeneration efficiency with a turnover frequency of 30.49 h–1. Second, a multienzyme catalytic module is constructed for 2-aminoethanol synthesis in the presence of NADH. Under optimal conditions, this module produces 2-aminoethanol with an average reaction rate of 76.34 μmol L–1 h–1 within 24 h. Finally, the energy-supplying module is coupled with the multienzyme catalytic module for continuous synthesis of 2-aminoethanol from formaldehyde and ammonia, generating 0.55 mmol L–1 2-aminoethanol after 4 light–dark cycles. In addition, triethanolamine (TEOA) and glucose, a biomass-derived carbon source, are both confirmed as effective electron donors for NADH regeneration and light-driven synthesis system. This work opens a pathway for the synthesis of amino alcohols and demonstrates a paradigm for the intensification of reaction processes.
研究领域:
生物化学
·
绿色化学
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产品关联
DOI
高影响因子
CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Jingmei Li,Luyin Zhao,Chunjiao Hu,Ling Zhang
The escalation of medication resistance in pathogenic bacteria has resulted in significant damage to public health and safety, as bacterial and fungal illnesses proliferate. Additionally, pathogenic bacteria disseminate via water resources, leading to water contamination and adversely impacting the quality of the living environment. Consequently, the creation of an efficient antibacterial material has emerged as a focal point of study. Photocatalysis, as an innovative, environmentally friendly, and effective technique, has been extensively used in degrading and antibacterial domains.For the first time, Bi 2 WO 6 /Bi 4 O 5 I 2 composites with molar ratios of 1:1, 1:2, 1:3, and 1:4 were produced using the water bath-calcination technique including bismuth nitrate pentahydrate, sodium tungstate dihydrate, and potassium iodide, and their photocatalytic antibacterial characteristics were examined. Their characterization was conducted using XRD, XPS, SEM, FT-IR, and UV techniques. The antibacterial efficacy was evaluated using a low-power 35 W LED light irradiation dilution coated plate technique. The experimental findings demonstrated that, in the presence of 35w LED lighting, the antibacterial rate against E.coli , Bacillus subtilis , and P.aeruginosa reached 100 % in 10 min at a concentration of 1000 mg/L of BWOI-3 composite material, and the antibacterial efficiency against S. aureus reached 100 % in 5 min. Within 50 min, the antibacterial efficacy against Candida albicans was 100 %. The Bi 2 WO 6 /Bi 4 O 5 I 2 compound has shown exceptional broad-spectrum antibacterial efficacy.
研究领域:
材料科学
·
微生物学
·
环境科学
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产品关联
DOI
高影响因子
DYES AND PIGMENTS
·
2025
·
IF 4.2
Haijun Ning,Yuxin Yang,Saran Long,Wen Sun,Jianjun Du,Jiangli Fan,Xiaojun Peng
Both red-light chemiluminescence (CL) emission and high CL efficiency are desirable highly favorable for deep-tissue imaging, however, it was usually achieved by transferring the energy from a CL donor to a fluorophore acceptor based on the CL resonance energy transfer (CRET), which is significantly affected by the spectral overlap range and distance between them. Herein, a red-light CL emitter (L-ISN) was synthesized by conjugating the isoindole BODIPY with the phthaloyl hydrazine moiety (a luminol derivative). When the phthaloyl hydrazine moiety was initiated by 1 O 2 , the released reaction energy can be transferred to the whole molecule through intramolecular energy transfer, showing an astonishingly improved CL efficiency by 13 times than luminol. Besides, the CL of L-ISN can penetrate tissues thicker than 2.0 cm, and the limit of detection (LOD) was calculated to be about 52.87 nmol L −1 1 O 2 . When L-ISN nanoparticles (NPs) were prepared by using F127 as the surfactant, L-ISN NPs successfully detected intracellular 1 O 2 and distinguished inflammation tissue in vivo . We believe this study will provide a novel idea for the design of red-light CL emission probe with higher brightness in the field of detection 1 O 2 .
研究领域:
生物医学工程
·
分子影像学
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DOI
高影响因子
Advanced Optical Materials
·
2025
·Vol. 13
·期 14
·2403472
·
IF 7.2
Hongzhen Liu,Yuhe Shao,Chao Dou,Jing Zhao,Zhen Song,Quanlin Liu
Mechanoluminescence (ML) materials can convert mechanical energy into photoelectrons and have significant potential for applications in intelligent sensing, self-driven luminescent displays, and human-computer interaction. Among the numerous ML systems, Mn 2+ -doped wurtzite-based phosphors have become a prominent ML family. However, their ML emissions are typically confined to visible light, which substantially limits their utility in fields such as biomechanics and bioimaging. Here, it is demonstrated that the photoluminescence (PL) and ML emission of CaZnOS:Mn 2+ can be tuned from the red to near-infrared light (peaked at 770 nm) by regulating the Mn 2+ ion concentration. The electronic paramagnetic resonance, PL lifetime, and various spectra reveal that the near-infrared emission originates from the enhanced magnetic interaction of Mn 2+ pairs due to intrinsic defects. The heavy Mn 2+ -doped CaZnOS elastomer with near-infrared ML emission exhibits distinct advantages over low Mn 2+ -doped CaZnOS with only red emission in the field of biomechanical imaging. This work achieves near-infrared emission in CaZnOS phosphors singly doped with Mn 2+ ions for the first time, providing a perspective for spectra broadening of Mn 2+ ions-doped phosphors.
研究领域:
材料科学
·
光学
·
生物医学工程
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产品关联
DOI
高影响因子
CRYSTENGCOMM
·
2024
·Vol. 26
·期 44
·6314-6321
·
IF 2.6
Zhen Liu,Danli Song,Wen-Bo Pei,Liquan Wu,Hong Xie,Gaigai Cai,Jiefei Yang,Bing Zheng,Wei-Wei Xiong
Metal–organic frameworks (MOFs), self-assembled by metal ions and organic ligands, have been utilized as active layers in resistive random-access memory (RRAM) devices due to their tunable composition and structure advantages, high porosity, and diverse interactions between guest molecules and host frameworks. As one kind of special MOF, MOF nanosheets not only inherit the benefits of MOFs but also present unique two-dimensional nanoscale thicknesses. Their special properties make them beneficial for fabricating MOF films. Thus, they could be promising materials for RRAM devices. Herein, we synthesized two porphyrin MOF nanosheets and then fabricated MOF films by spin-coating. After that, we used the films for resistive switching (RS) layers in memory devices. The as-fabricated RRAM devices exhibit write-once-read-many-times memory characteristics and good nonvolatile stability. Furthermore, due to the unique luminescence of the porphyrin linker, we investigated the light-induced resistive switching characteristics. The result shows that these porphyrin-based MOF nanosheet films exhibited ternary memory properties. This RS modulation is likely related to the photoinduced electrons and holes forming along channels consisting of porphyrin molecules. This MOF-based light-mediated memory device can be a candidate for achieving environment-responsive devices and has applications in information storage devices.
研究领域:
材料科学
·
电子工程
·
光学
✓ 已验证
DOI
高影响因子
Nanomaterials
·
2024
·Vol. 14
·期 6
·517
·
IF 4.4
Yunyu Sun,Hao Wang,Jiwei Jiang,Hui Zhang,Limei Liu,Keying Zhang,Bo Song,Bin Dong
Inspired by the collective behaviors of active systems in nature, the collective behavior of micromotors has attracted more and more attention in recent years. However, little attention has been paid to the collective behavior of the immobilized micromotor, i.e., the micropump. In this paper, a unique pentacene-based micropump is reported, which demonstrates dynamic collective behavior activated by white light irradiation. The light irradiation may generate the photochemical reactions between pentacene and water, leading to the electroosmotic flow. As a result, this micropump is capable of pumping the surrounding solution inward along the substrate surface based on the electroosmosis mechanism. Intriguingly, the inward pumping causes the agglomeration of the tracer particles on the surface of the micropump. In addition, the aggregation can migrate following the change in the light irradiation position between two adjacent micropumps. Based on the aggregating and migrating behaviors of this pentacene-based micropump, we have achieved the conductivity restoration of the cracked circuit.
研究领域:
材料科学
·
生物仿生学
·
纳米技术
✓ 已验证
DOI
PubMed
高影响因子
Advanced Optical Materials
·
2025
·
IF 7.2
Yanyu Deng,Jia Liu,Wenwen Liu,Yi Zhang,Hanxiao Gao,Abd. Rashid,Chunyu Liu,Wenbin Guo
Buried interface modification strategies play a critical role in advancing the development of perovskite light-emitting diodes (PeLEDs), which is related to charge injection, perovskite crystallization, and interfacial non-radiative recombination. Herein, 3-aminotetrahydrofuran hydrochloride (TAH) is employed for post-treatment of the electron transport layer (ETL). TAH modification lowers the work function of the ETL surface, which facilitates electron injection into the perovskite layers. Besides, TAH treatment modulated the perovskite crystallization dynamics, promoting the formation of discontinuous high-quality perovskite. Meanwhile, the multifunctional TAH chemically interacted with both the perovskite and ETL, synergistically passivating vacancy and interstitial defects. Consequently, the TAH-modified PeLEDs achieved a peak external quantum efficiency of 22.3% with a radiance of 987.4 W sr −1 m −2 . This work presents a viable approach to achieve superior carrier transport, precise morphology control, and effective defects passivation for improving the performance of PeLEDs.
研究领域:
材料科学
·
光电工程
·
纳米技术
✓ 已验证
产品关联
DOI
高影响因子
DALTON TRANSACTIONS
·
2024
·Vol. 53
·期 10
·4698-4704
·
IF 3.5
Jing-Ning Lv,Jie Zhang,Yu-Meng Liu,Shao-Ya Zhang,Xiang-Yuan Deng,Man Xu,Xiao-Wu Lei,Zhi-Wei Chen,Cheng-Yang Yue
Considering the instability and toxicity of 3D Pb-based perovskite nanocrystals, lead-free low-dimensional organic–inorganic hybrid metal halides have attracted widespread attention as potential substitutes. Herein, two new tin-based 0D halides [H4BAPP]SnBr5·Br and [H4BAPP]SnCl5·Cl·H2O (BAPP = 1,4-bis(3-aminopropyl)piperazine) were synthesized successfully based on [SnX5]3− as an emission center. Typically, [H4BAPP]SnBr5·Br and [H4BAPP]SnCl5·Cl·H2O display broadband yellow and yellow-green light emissions originating from the radiative recombination of self-trapped excitons (STEs). The photoluminescence quantum yields (PLQYs) of the two compounds were calculated to be 19.27% and 2.36%, respectively. Furthermore, the excellent chemical and thermal stability and broadband light emissions reveal their potential application in solid-state white lighting diodes.
研究领域:
材料科学
·
光学
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产品关联
DOI
PubMed
高影响因子
JOURNAL OF POLYMER RESEARCH
·
2025
·Vol. 32
·期 9
·1-10
·
IF 2.8
Lun Ziming,Song Lina,Ai Jiaoyan,Zhong Tulian,Xian Wenqi,Liu Baohua
A series of CO 2 -based UV cured polyurethane acrylate with good flexibility and mechanical strength were prepared using polycarbonate diol (PECD), diphenylmethane diisocyanate (MDI), hydroxyethyl acrylate (HEA), and tetrahydrofuran acrylate (THFA) as raw materials. Simultaneously compared with traditional polyester (PCLD)-based and polyether (PPG)-based UV cured polyurethane acrylates. By analyzing the infrared spectra of prepolymer and PECD-PUA, the generation of characteristic absorption peaks indicates the successful synthesis of PECD-PUA. In addition, compared with the uncured film, the carbon carbon double bond absorption peak (810 cm -1 ) of the cured film disappeared, indicating that the double bond had undergone a reaction. The mechanical properties, hardness, water contact angle, and solvent absorption properties of UV-cured polyurethane were studied. The results show that the CO 2 -based material PECD has excellent properties, the tensile strength can reach 9.83 MPa, and the elongation of break reach 82.92% and the cured UV-PECD-PU film has high hardness (pencil hardness: HB) All cured films exhibited excellent thermal stability (more than 250 ℃) through TGA analysis. This paper synthesized environmentally friendly CO 2 -based photopolymerization polyurethane, providing direction for the resource utilization of carbon dioxide-based materials.
研究领域:
高分子科学
·
材料工程
·
环境科学
·
化学合成
✓ 已验证
产品关联
DOI
高影响因子
Light-Science & Applications
·
2025
·Vol. 14
·期 1
·1-10
·
IF 23.4
Wang Song,Liu Shihao,Wang Ting,Bai Jialin,Peng Jingyu,Zhang Hanzhuang,Xie Wenfa,Ji Wenyu
ZnO nanoparticles (NPs) play a crucial role in advancing quantum-dot light-emitting diodes (QLEDs) because of their excellent electron transport properties. While the conductivity of ZnO is determined by both the density and mobility of charge carriers, a previously overlooked problem is that excessive carrier density in ZnO can lead to nonradiative Auger recombination at the quantum-dot/ZnO interface. An ideal electron transport layer should possess both high mobility and low carrier density. Here, we achieve such transport properties in ZnO NP films through operando recrystallization, a process triggered by the diffusion of Al ions from the cathode under acidic conditions. This diffusion induces the coalescence of neighboring ZnO NPs, forming defect-passivated, long-range ZnO crystals. When used as the electron transport layer in QLEDs, recrystallized ZnO NPs enhance the external quantum efficiency from 17.2% to 33.7% compared with devices with conventional ZnO electron transport layers. These findings offer valuable insights into the development of charge transport materials for high-performance optoelectronic devices.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ADVANCED MATERIALS
·
2019
·Vol. 31
·期 39
·1903970
·
IF 25.809
Shihong Deng,Jingjun Wu,Michael D. Dickey,Qian Zhao,Tao Xie
3D printing has witnessed a new era in which highly complexed customized products become reality. Realizing its ultimate potential requires simultaneous attainment of both printing speed and product versatility. Among various printing techniques, digital light processing (DLP) stands out in its high speed but is limited to intractable light curable thermosets. Thermoplastic polymers, despite their reprocessibility that allows more options for further manipulation, are restricted to intrinsically slow printing methods such as fused deposition modeling. Extending DLP to thermoplastics is highly desirable, but is challenging due to the need to reach rapid liquid–solid separation during the printing process. Here, a successful attempt at DLP printing of thermoplastic polymers is reported, realized by controlling two competing kinetic processes (polymerization and polymer dissolution) simultaneously occurring during printing. With a selected monomer, 4-acryloylmorpholine (ACMO), printing of thermoplastic 3D scaffolds is demonstrated, which can be further converted into various materials/devices utilizing its unique water-soluble characteristic. The ultralow viscosity of ACMO, along with surface oxygen inhibition, allows rapid liquid flow toward high-speed open-air printing. The process simplicity, enabling mechanism, and material versatility broaden the scope of 3D printing in constructing functional 3D devices including reconfigurable antenna, shape-shifting structures, and microfluidics.
研究领域:
材料科学
·
化学工程
·
制造技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ADVANCED MATERIALS
·
2025
·
IF 26.8
Jianguo Wang,Meng Chen,Xiangkun Elvis Cao,Xianglei Liu,Peidong Wei,Qiao Xu,Haichen Yao,Enda Ci,Qingfeng Zhang,Shushan Lv,Yang Tian,Yongliang Li
Thermal energy, encompassing both heating and cooling demands, accounts for the largest share of global energy consumption. Harvesting thermal energy from the environment, including the Sun and darkness, holds promise for decarbonizing thermal sectors, but suffers from low efficiency and intermittency. Here, inspired by ginkgo leaves featuring wax-coated vertical palisade cells, a 24-h bidirectional thermal energy harvesting approach is developed by integrating spectrally selective aerogels with anisotropic composite phase change materials (CPCMs). During daytime, sunlight is captured, converted into heat, and stored in anisotropic CPCMs with high axial thermal conductivity (24.16 W·m −1 ·K −1 ) and an anisotropy ratio of 3.7. Under one-sun irradiation, a high solar thermal energy storage efficiency of 87.5% with a peak temperature of 382.3 K is achieved by leveraging spectrally selective aerogels exhibiting “greenhouse effects”. At night, a maximum radiative cooling power of 118.8 W·m −2 is attained, enabling cold energy storage at a temperature 4.0 K below ambient. The proposed leaf-inspired device operates continuously over 24 h, delivering annual thermal energy savings of 5321.4 MJ·m −2 ·yr −1 , outperforming standalone solar thermal and radiative cooling systems by 44.8% and 223.3%, respectively. This bioinspired bidirectional energy harvesting strategy employing both solar and outer space resources, establishes a promising approach toward a carbon-neutral thermal energy supply.
研究领域:
可再生能源
·
热工工程
·
材料科学
·
可持续技术
·
仿生学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）