JOURNAL OF HAZARDOUS MATERIALS
·
2024
·
IF 12.2
Xueping Chen,Hao Li,Kaiwen Yang,Abdul Haleem,Yonghui Sun,Jianming Pan
Uranium, as the most essential resource for nuclear power production, provides 13% of global electricity demand, has attracted considerable attention. However, it is still a great challenge for uranium extraction from natural water like salt lakes as the background of high salinity and low concentration (3.3 ∼ 330 ppb). Meanwhile, current uranium extraction strategies are generally focus on extraction capacity or selectivity but neglect to enhance extraction rate. In this work, we designed a novel kind of NIR-driven intelligent nanorobots catchers (MSSA-AO) with amidoxime as claws for uranium capture, which showed almost 100% extraction rate and an ultrafast extraction rate. Importantly, high extraction capacity (221.5 mg g −1 ) and selectivity were taken into consideration as well as good regeneration performance. Furthermore, amidoxime NRCs boosted in extraction amount about 16.7% during the first 5 min with self-driving performance. Overall, this work suggests a new strategy for ultrafast extraction of uranium from natural water with low abundance selectively by self-propelled NRCs, showing great possibility in outdoor application and promising for meeting huge energy needs globally.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
DALTON TRANSACTIONS
·
2025
·
IF 3.3
Rong-Yan Zhang,Ting Zhu,Jin Zhang,Dong-Sheng Shao,Ying-Zhao Ma,Guo Peng,Xiaoming Ren
Single-component white-light-emitters ensure color stability while reducing device complexity, which are ideal candidates for white light-emitting diodes (WLEDs). However, the realization of single-component white-light emission with high efficiency and stability is still a challenge. Herein, a supramolecular cation strategy was used to synthesize the organicinorganic hybrid copper(I) halide [(AMTA)(18C6)]₂Cu₂I₄ (1), with AMTA = 1-adamantanamine and 18C6 = 18-crown-6. The structure of 1 comprises a [Cu₂I₄]²⁻ anion, formed from two edge-sharing CuI₃ triangles, and two [(AMTA)(18C6)]⁺ supramolecular cations. Compound 1 exhibits efficient white-light emission featuring dual bands centered at 480 nm and 642 nm. The CIE coordinate (0.32, 0.33) approaches the pure white point (0.33, 0.33), while the quantum yield reaches 62.09%. Such efficient white-light emission arises from two self-trapped exciton (STE) states within the inorganic unit.Furthermore, compound 1 shows remarkable stability, remaining stable for over 90 days in air and for 15 days under 75% humidity conditions. The single-component WLED fabricated using this material achieved a color rendering index (CRI) of 84, meeting the requirement for everyday lighting applications. This study demonstrates a novel approach to engineering single-component white-light phosphors suitable for solid-state lighting applications.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CERAMICS INTERNATIONAL
·
2024
·
IF 5.1
Hang Liu,Junlong Liu,Yanchang Liu,Zhihao Qu,Siye Tian,Yuhong Zhang
In this work, the ZnO microsphere is prepared by hydrothermal method and modified with different concentrations of Eu. The morphology of ZnO:Eu sample shows flower-like microspheres with many nanosheets. The gas performance of ZnO:Eu microsphere is investigated for detecting NO 2 . Compared with pure ZnO, the response of ZnO:2 % Eu sensor is increased by 8 times, and the optimal operating temperature of that is decreased to 130 °C. Especially, the gas sensing properties of ZnO:2 % Eu sensor is enhanced under UV excitation. The recovery time of ZnO:Eu sensor is reduced by 1200 s, and the response is increased by 3.6 times under UV excitation. The above results show an increase in sensor response due to doping Eu and UV excitation. At last, the possible gas mechanism of ZnO:Eu is discussed with and without UV excitation. This finding provides important guidance for UV-assisted sensors to enhance NO 2 response.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2025
·
IF 6.3
Guangbin Chen,Wei Li,Jian Zhao
Tetracycline (TC) is a kind of widely used antibiotic and its improper discharge to the environment brings serious threats to ecosystems and human health. The photocatalytic degradation of these organic pollutants with CuFe oxide attracts many attentions. High-entropy oxide (HEO) emerges as a promising material recently due to its excellent activity and stability in various fields. In this study, CuFe-based HEO with ultrathin nano-micro-sheet (Cu y Fe z Ce 4 Al 0.5 Zr 0.5 O x , thickness ∼5.63 nm) was successfully fabricated and utilized as an efficient photocatalyst for TC removal under visible-light irradiation. By controlling experiments and adjusting the Cu/Fe atomic ratios, we found that CuFeO x with the same structure as CuFe-based HEO cannot be obtained without adding other elements and specific Cu/Fe ratio is required for the HEO formation. The optimized Cu 2 Fe 2 Ce 4 Al 0.5 Zr 0.5 O x HEO (Cu 2 Fe 2 ) could achieve 73.1 % degradation efficiency of TC with 53.1 % of total organic carbon (TOC) removal, much higher than CuO and Fe 2 O 3 mono-counterparts. Mechanism investigation showed that the CuFe-based HEO works with O₂·⁻, h⁺ and e⁻ as main active species, probably in a different reaction path from Fe 2 O 3 or CuFeO x system due to the high entropy effect. This study provides an experimental basis for HEO materials design and gives insights on the photocatalytic organic pollutants’ degradation with CuFe-based HEO.
✓ 已验证
产品关联
DOI
高影响因子
CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Feiyan Xie,Junqiang Gu,Dekang Xu,Jiao Zou,Lihong Liu,Xuan Zhu,Sitong Lin,Huihao Zhong,Jinyu Yang
In the field of white-light LED lighting technology, the development of single-phase white light emitting phosphors with excellent luminescent thermal stability has been the core research focus. This study introduced a color-tunable Na 3 YSi 2 O 7 : x Tm 3+ , y Dy 3+ (abbreviated as NYSO: x Tm 3+ , y Dy 3+ ) phosphor. Under an excitation wavelength of 351 nm, through the energy transfer (ET) process from Tm 3+ to Dy 3+ dominated by dipole-dipole interactions and by finely adjusting the doping ratios of Tm 3+ and Dy 3+ ions, white light emission was successfully achieved in the NYSO:5%Tm 3+ ,1%Dy 3+ phosphor. The phosphor exhibited color coordinates at (0.340, 0.344), which were extremely close to the ideal white light region. Notably, the NYSO:5%Tm 3+ ,1%Dy 3+ phosphor exhibited remarkable thermal stability luminescent performance. At high temperatures of 424 K and 474 K, its emission intensity only decreased by 3.64% and 6.10%, respectively. Moreover, at a high temperature of 474 K, the chromaticity shift ( Δε ) of the phosphor was merely 6.16×10 -3 , demonstrating far superior anti-thermal quenching and luminescent color stability performance compared with similar phosphor materials. This work provided a new strategy for addressing the thermal stability issue of white LED phosphors and was expected to facilitate the advancement of white LED lighting technology.
✓ 已验证
产品关联
DOI
高影响因子
ENERGY & FUELS
·
2025
·
IF 5.3
Haoyu Liu,Yanlin Wang,Hong Yuan
The introduction of mesopores to zeolite crystals via small organic templates has attracted widespread attention. In this study, we used cetylpyridinium bromide (CET–PyBr) to direct the synthesis of hierarchical meso-microporous ZSM-5 zeolite (HMM). By varying the CET–PyBr and sodium sulfate contents in the initial gel, the pore structure and acidity of the HMM were systematically modified. X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and N2 adsorption/desorption were utilized to investigate HMM’s mesoporous network. In HMM, mesopore formation was attributed to the assembly of nanocrystal clusters. By optimizing the organic templates, the HMM formation mechanism was elucidated. The acidities of the HMM catalysts were further characterized using temperature-programmed ammonia desorption, magic angle spinning nuclear magnetic resonance, and Py-IR spectroscopy. At 500 °C, the catalytic cracking of oleic acid over HMM yielded up to 54.0% light olefins, and HMM maintained its activity for up to 40 h. HMM’s homogeneous mesopores and moderate acidity contributed to its extended lifespan and enhanced its gaseous product yield.
✓ 已验证
产品关联
DOI
高影响因子
Science Advances
·
2025
·Vol. 11
·期 32
·
IF 12.5
Congcong Yin,Muning Chen,Ziyin Zhang,Kai Liu,Jinglin Gao,Xin Zhao,Yuping Wu,Yong Wang
Creation of membrane channels capable of recognizing diverse molecules is desirable for advancing molecular transport and separation, but it remains difficult to precisely control their conformation and achieve dynamic adaption to specific molecules. Here, we demonstrate fine-tuning the pore environment within 3D covalent organic framework (COF) that can precisely control its pore size and polarity to recognize CO 2 . The pores are integrated with azobenzene units with photo-adaptable trans-to-cis isomerization, enabling dynamic pore size regulation at angstrom scale. Moreover, the isomerization induces drastic changes in intrapore polarity, which exert profound effects on the intermolecular affinity through the dipole-quadrupole interaction. Featuring these dynamic natures, the 3D COF membrane cooperating the size exclusion effect with a molecular recognition ability toward CO 2 . As a result, light-gating separation experiments show the superior CO 2 capture performance with a N 2 /CO 2 selectivity of 27.6. Theoretical calculations reveal that cis-state azobenzene can reduce the electron transfer barrier from azobenzene to CO 2 , thereby providing a molecular recognition pathway.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
NEW JOURNAL OF CHEMISTRY
·
2025
·
IF 2.5
Enyu Zhan,Fengchao Wang,Jun Wang,Yu Sun,Jing Yang,Canyun Zhang,Jinfang Kong,Lan Li,Jin Chen
In recent years, the lead-free halide perovskite has been extensively studied due to the the lead toxicity and poor stability of lead halide perovskite. Cs2AgInCl6 has shown great potential to replace lead halide perovskites in optoelectronic applications. However, this perovskite synthesis method needs to involve high temperature, the synthesis conditions are relatively harsh. In this work, a simple solid-phase grinding method was employed to prepare Na+ and Bi3+ doped perovskite Cs2Ag1-xNaxIn1-yBiyCl6 with systematically characterization of both the structure and optical performance. The experimental results showed that a photoluminescence quantum yield (PLQY) of 13.1% was achieved by breaking the parity-forbidden transition through 4% Bi³⁺ doping. Subsequently, the incorporation of 60% Na⁺ suppressed non-radiative transitions and increased the PLQY to 56.9%. The Cs2Ag0.4Na0.6In0.96Bi0.04Cl6 samples were encapsulated on ultraviolet (UV) LED chips to obtain warm-yellow LED with good performances, which shows that promising applications in the LED field.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF INORGANIC BIOCHEMISTRY
·
2025
·
IF 3.2
Anadil Gul,Munir Ahmad,Rizwan Ullah,Kamran Ullah,Wenchao Liao,Yan Kang
Metallophthalocyanines (MPcs) are highly promising photosensitizers owing to their exceptional photoelectronic properties, yet their practical photocatalytic applications are often limited by strong π–π self-aggregation. In this study, we report a facile in situ strategy to incorporate cobalt phthalocyanine (CoPc) into the porous matrix of UiO-67 metal-organic frameworks (MOFs), effectively suppressing aggregation and enhancing photo-activity. The resulting composite, UCoP2–32, exhibited outstanding antibacterial photodynamic therapy (APDT) performance under visible light, achieving over 96 % inactivation of methicillin-resistant Staphylococcus aureus (MRSA) within 12 min of light exposure. Photophysical studies confirmed the efficient generation of both type-I and type-II reactive oxygen species (ROS), with superoxide and hydroxyl radicals predominating, and electron spin resonance (ESR) analysis supported this mechanism. Moreover, UCoP2–32 demonstrated excellent biocompatibility with minimal hemolysis (~6.4 % at 110 μM) and structural stability. This work provides a robust and broadly applicable strategy for integrating MPcs into MOFs, offering significant potential for the development of high-performance photocatalytic materials in antimicrobial and other light-driven applications.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2025
·
IF 2.8
Shuai Yang,Xiaoyun Yang,Zijian Song,Yingchun Li
Herein, we report light/electric synergistic-triggered shape memory poly(aryl ether ketone) (PAEK) composite actuators with enhanced shape memory behaviors that are able to fulfill the shape deformation process for various application opportunities. Composite actuators exhibit great shape memory behaviors with a high shape recovery ratio (95.1%–99.2%) and fixity ratio (over 96%). Besides, we construct light/electric synergistic-triggered shape memory behaviors, which are achieved through the prior softening of molecular chains by irradiating firstly, and then triggered by applied voltage. The shape recovery ratio of these light/electric synergistic-triggered shape memory effect (SME) reaches up to 89.6%, which is higher than the electric-triggered SME of 75.1%, indicating enhanced shape memory behaviors. As a comparison, we construct light/electric synchronous-triggered shape memory behaviors, and the recovery ratio is 85.8%. Due to the enhanced shape memory behaviors, these light/electric synergistic-triggered shape memory composite actuators fulfill the shape deformation process for various application opportunities.
✓ 已验证
产品关联
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2025
·
IF 8.2
Wuyan Hou,Lichao Li,Chang Liu,Boying Ding,Jiahao Cui,Longni Chen,Yuan Qiu,Zhiqiang Jiao,Juan Zhang,Shougen Yin,Xiaoming Wu
As an essential component in blue perovskite light-emitting diodes (PeLEDs), functionally tailored hole transport materials (HTMs) play a decisive role in reducing the hole injection barrier, mitigating interfacial defects, and thus enhancing device performance. Herein, we report two solution-processable D-π-A hemicyanine dyes, which exhibit asymmetric/symmetric configurations and contain electron-withdrawing groups and Lewis base donors. As multifunctional HTMs, two dyes not only present high hole mobilities with improved energy level alignment in PeLEDs, but also enable the perovskite defects passivation and n phases manipulation. Interestingly, the symmetric dye achieves dual-channel hole injection and multisite anchoring for the quasi-2D perovskite (PEACsPbBr2.1Cl0.9). The passivated perovskite film forms an augmented distribution of large n phases and suppressed small n phases, thereby promoting radiative exciton recombination. Consequently, symmetric dye-treated PeLED exhibits an impressive blue electroluminescence (EL) with a maximum luminance reaching 5842 cd m–2, a peak external quantum efficiency (EQE) of 13.71% and an improved operational half lifetime (T50) of 6.7 min at 100 cd m–2, demonstrating its performance advantages over the reported PEACsPb(BrxCl1–x)3 PeLEDs. This work provides an innovative perspective for designing multifunctional HTMs by conformation engineering and gains insight into the interfacial contact for high performance perovskite optoelectronics.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Advanced Optical Materials
·
2025
·
IF 7.2
Maolin Mu,Wen Li,Lunyao Pan,Xiankan Zeng,Qungui Wang,Yongjian Chen,Chenglong Li,Di Shen,Xinning Wang,Shiyu Yang,Hongqiang Xin,Weiqing Yang
Achieving balanced charge injection and transport in perovskite light-emitting diodes (PeLEDs) remains challenging due to the large energy level offset between the indium tin oxide (ITO) electrode and the hole transport layer, coupled with an unsatisfactory hole injection capability. Given that Cu 2 ZnSnS 4 (CZTS) offers a deep valence band maximum, high hole mobility, high stability, and cost-effectiveness. Here, CZTS is introduced as a hole injection layer between the ITO and poly(9-vinylcarbazole) (PVK) layers to align energy level and increase hole injection capacity. The huge difference between CZTS and PVK work functions creates a robust interfacial electric field, resulting in an interfacial dipole effect, which significantly enhancing hole injection and boosting the carrier radiative recombination efficiency. Meanwhile, the robust CZTS/PVK interface favors high-quality FAPbBr 3 films with good morphology and reduced defects. The resulting optimized PeLEDs with a peak emission wavelength of 529 nm achieve an external quantum efficiency (EQE) of 15.44%, a turn-on voltage of 3 V and current efficiency (CE) of 75.3 cd A −1 , significantly outperforming the control devices, which exhibit an EQE of 7.55%, a turn-on voltage of 3.4 V and CE of 35.4 cd A −1 . This study provides novel insights into constructing efficient PeLEDs through enhanced hole injection using CZTS.
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）