WATER RESEARCH
·
2025
·
IF 12.4
Tong Liu,Qiao Hou,Xiangcun Li,Yan Dai,Wu Xiao,Gaohong He
Solar-driven interfacial evaporation has emerged as a prominent sustainable desalination technology due to its clear energy utilization and low operational costs. However, developing evaporators with high efficiency, structural stability, and salt-resistant properties remains a critical challenge. Herein, we designed an rGCW x @PVDF-PVP membrane fabricated via a facile phase inversion strategy, demonstrating exceptional solar evaporation performance and cyclic stability. The synergistic integration of rGO-xW 18 O 49 nanoplates (W 18 O 49 nanowires anchored on rGO surface) and CNTs enables broadband spectral absorbance (∼90.00%). The hierarchically porous PVDF-PVP membrane facilitates rapid water transport and provides substantial vapor escape channels. Notably, the incorporation of PVP with nitrogen-containing functional groups modulates water molecule interactions by weakening hydrogen bonding networks, and PVP effectively reduces the evaporation enthalpy of the water system and improves evaporation performance. Under 1 sun irradiation, the evaporator achieves an outstanding evaporation rate of 2.09 kg m −2 h −1 with a photothermal conversion efficiency of 92.80%. Remarkably, the evaporator maintains terrific performance in desalination without surface salt crystallization, demonstrating exceptional anti-fouling capability during prolonged operation. This novel and simple thin-film evaporator presents a broad prospect in the field of interfacial evaporation, offering a practical strategy for sustainable water purification and global freshwater scarcity.
研究领域:
可再生能源
·
水处理与净化
·
纳米材料
·
海水淡化技术
·
太阳能利用
·
膜科学
·
环境工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Gels
·
2025
·Vol. 11
·期 10
·783
·
IF 5.3
Jiefeng Yan,Zhenxing Fang,Jinxing Hu,Yangming Sun,Xinyi Huang,Guannan Zhou,Lu Li,Rui Wang,Yan Chen
Oxygen-deficient tungsten oxide W18O49was synthesized through lattice oxygen escaping at high temperature in N2atmosphere. The temperature and inert atmosphere were critical conditions to initiate the lattice oxygen escaping to obtain W18O49. The large amount of oxygen vacancies supports its performance in photothermal conversion. The synthesized tungsten oxides were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and ultraviolet-visible absorption spectroscopy (UV-Vis). The composite gel was fabricated by the insertion of oxygen-deficient tungsten oxide into PVA-based gel, which was cross-linked by glutaraldehyde. The PVA-based gel ensures a matched water supply speed with that of the evaporation rate due to its hydrophilic nature. The result of the solar steam generation shows that the W18O49-PVA gel (steam generation rate 2.65 kg m−2h−1) was faster than that of the pure PVA gel.
研究领域:
材料科学
·
物理化学
·
能源工程
·
纳米材料
·
光热治疗
·
环境功能材料
✓ 已验证
产品关联
DOI
PubMed
高影响因子
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2021
·
IF 3.764
Jing He,Guangyu Jia,Peiwen Wu,Yingcheng Wu,Hongping Li,Linjie Lu,Zhendong Yu,ShuaiShuai Zhou,Wenshuai Zhu,Huaming Li
Recently, production of a clean sulfur-free fuel and related green chemical processes have attracted the attention of researchers. The development of efficient desulfurizers is an effective strategy to meet this demand. Herein, a facile method to successfully construct W18O49 nanoneedles (NNs) coupled with Pt species by a spontaneous redox reaction between reductive supports and oxidative platinum precursors was revealed. The closely arranged NNs hybrids with strong metal–support electron interaction and in situ-derived carbon are successfully constructed. The Pt species are stabilized on the defective W18O49 NNs surface, which accelerates the adsorption and activation of molecular oxygen. The monolithic catalyst promotes the oxidation conversion of dibenzothiophene in the process of catalytic reactive-type desulfurization. By adjusting the reaction conditions, the catalyst shows over 99.0% dibenzothiophene conversion at only 0.8% Pt loading, and the polar products can be completely removed by extraction. Also, the catalyst showed a relatively stable regeneration and reused performance.
研究领域:
材料科学
·
环境化学
✓ 已验证
产品关联
DOI
高影响因子
Materials Science and Engineering B-Advanced Functional Solid-State Materials
·
2017
·
IF 2.552
Ning Zhang,Yafei Zhao,Yanjie Lu,Guangshan Zhu
The aligned W 18 O 49 nanowire clusters were synthesized via a facile and economic ethanol-assisted hydrothermal method using peroxopolytungstic acid as precursor. Results show that the as-prepared W 18 O 49 exhibits a high yield and ultrathin structure with preferential growth direction along [0 1 0]. The amount of peroxopolytungstic acid and reaction time play significant role on the morphology of W 18 O 49 nanowires. The nanowires have unique structure, high degree of crystallinity, large specific surface area, and large number of defects such as oxygen vacancies, which are responsible for their high photocatalytic performance for degradation of methylene blue. The photocatalytic conversion of methylene blue can reach above 98% after degradation. W 18 O 49 also exhibits good photodegradation stability after five cycles of reuse. The results demonstrate that the as-prepared W 18 O 49 nanowire clusters are expected to be a promising material for applications in the field of environment.
研究领域:
材料科学
·
纳米技术
·
光催化
·
环境科学
✓ 已验证
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2021
·Vol. 32
·期 14
·19179-19190
·
IF 2.478
Li Yuting,Yan Luting,Zhang Lu,Song Xiaodong,Dai Chunai
An electrochromic supercapacitor is a new type of multifunctional device. It can store energy, change its optical properties, and its color can intuitively reflect the energy storage of the device in real time. This study focused on W 18 O 49 nanowires (WNS) and polyaniline (PANI) electrochromic materials and their thin-film electrodes. Graphene oxide was incorporated in the process of solvothermal preparation of WNS and graphene/W 18 O 49 nanowires composite (rGO–WNS) was obtained. Compared with WNS, the electron transport capability of rGO–WNS is improved, which effectively reduce the discoloration time from 7 to 4 s and the coloring time from 10 to 2 s. In addition, the coloration efficiency has also improved from 45.37 to 52.72 cm −2 ·C −1 , however, the optical modulation amplitude of the composite is reduced from 35 to 20% due to the obstruction of graphene to the transmittance. A characteristic pseudocapacitive behavior is observed for rGO–WNS and PANI electrodes, which were assembled in pairs to form an EC supercapacitor (ECSC) device. With the voltage increased from − 0.2 to 1.4 V, the color of ECSC varies among light green, dark green, light blue and dark blue.
研究领域:
材料科学
·
能源存储技术
✓ 已验证
产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2020
·
IF 10.652
Yaocheng Deng,Chengyang Feng,Lin Tang,Yaoyu Zhou,Zhaoming Chen,Haopeng Feng,Jiajia Wang,Jiangfang Yu,Yani Liu
Multi-level and multi-angle designations of photocatalysts have attracted great attention to address the insufficient photogenerated charge generation and transformation in photocatalysis. In this study, we reported an ultrathin 1D/2D W 18 O 49 /g-C 3 N 4 nanocomposites with unique multiscale structure and electronic property through direct growth of 1D plasmonic W 18 O 49 nanowires onto the surface of 2D ultrathin g-C 3 N 4 nanosheets. Owing to the unique multiscale structure and electronic property, the synthesized nanocomposites present enhanced photocatalytic activity, owns the maximum removal efficiency of 96.3% and rate constant of 0.0464 min −1 for Ibuprofen (IBF) after 60 min under AM 1.5G light. Meanwhile, under near-infrared (NIR) light irradiation, the optimum UWN-3 present 39.2% removal efficiency of IBF and the reaction rate reached 0.0027 min −1 after 120 min. Additionally, the degradation pathway indicated that the decarboxylation process was the main decomposition route of IBF in this reaction system, and OH radical species attack process also contributed to the degradation of IBF. Scavenge experiments and mechanism analysis illustrated that IBF degradation in this reaction system mainly depends on h + , O 2 – and OH radical species, and the promoted photocatalytic performance of the synthesized ultrathin 1D/2D W 18 O 49 /g-C 3 N 4 nanocomposites are stem from the synergism of the multichannel photogenerated charge transfer pathways. The combination of the multichannel charge transfer pathways mentioned above resulted in the highly efficient photocatalytic activity of the ultrathin 1D/2D W 18 O 49 /g-C 3 N 4 nanocomposites.
研究领域:
材料科学
·
环境科学
✓ 已验证
DOI
高影响因子
Nano Research
·
2021
·Vol. 14
·期 7
·2441-2450
·
IF 8.897
Peng Lingxin,Tian Han,Cui Xiangzhi,Su Liang,Meng Ge,Ma Zhonghua,Cao Shaowen,Shi Jianlin
Developing anode catalysts of substantially enhanced activity for hydrogen oxidation reaction (HOR) and anti-CO poisoning performance is of great importance for the application of proton exchange membrane fuel cells (PEMFCs). Herein, we report Pd cluster in situ decorated urchin-like W 18 O 49 (WO 2.72 ) electrocatalysts by a photo-reduction method for high performance HOR. The synthesized Pd-WO 2.72 -L composite of low loading amount of 0.44 wt.% Pd by Xenon light reduction exhibits markedly high HOR catalytic activity and stability in 0.5 M H 2 SO 4 , and the specific HOR current density and mass activity of Pd-WO 2.72 -L are ∼ 1.5 and ∼ 80 times those of 20 wt.% Pt/C catalyst, respectively. Moreover, excellent anti-CO poisoning ability has also been obtained. The excellent HOR activity and anti-CO poisoning performance of Pd-WO 2.72 -L have been discussed mainly in terms of the dual synergetic catalytic effects between Pd and WO 2.72 : Pd activation to Pd δ+ by the electron transfer from Pd to W promotes the hydrogen adsorption and activation to H* species, which results in largely elevated HOR activity; Pd degradation due to the CO poisoning is effectively prevented by WO 2.72 , which is responsible for the excellent CO-tolerance performance.
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
高影响因子
OPTICAL MATERIALS
·
2026
·
IF 4.3
Jiayue Wang,Xiaohui Sun,Ankang Li,Jingfan Lu,Haining Qian,Ruihui Peng,Bo Wang,Xuyang Zhang,Nana Liu
WO 3 /W 18 O 49 composite film was synthesized by two-step hydrothermal reaction. • WO 3 improves structural stability and electrochemical reversibility of W 18 O 49 . • The composite film exhibits large optical modulation and high coloration efficiency. • Nest-like structure facilitates ion transport kinetics in electrochromic switching. • WO 3 nanorod skeleton boosts composite's stability: 86.5% retention after 500 cycles. W 18 O 49 with rich oxygen vacancies exhibits excellent interfacial contact as well as high electrical conductivity, which is a promising electrochromic material. However, the poor cycle stability limits its further practical application. In this work, hexagonal WO 3 was used as the growth skeleton of W 18 O 49 , and nest-like WO 3 /W 18 O 49 composite film was synthesized by two-step hydrothermal reaction, favoring the enhancement of optical modulation and cycle stability. The porous WO 3 /W 18 O 49 composite film exhibits an optical modulation of 56.9% at 633 nm, fast response time (colored/bleached time = 8.1/2.4 s), good coloration efficiency of 93.2 cm 2 C −1 . Moreover, the optical modulation of the composite film can maintain 85.6% of the initial modulation after 500 cycles. This work provides a feasible and effective two-step hydrothermal synthesis route to enhance the cycle stability of W 18 O 49 -based electrochromic materials.
✓ 已验证
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2019
·Vol. 30
·期 22
·20181-20188
·
IF 2.195
Li Yuting,Yan Luting,Zhang Ji,Xu Mingyuan,Zhu Yanyun
Reduced graphene oxide/W 18 O 49 nanorod (rGO–WNd) composites are prepared through the high-temperature thermal reduction of ammonium tungstate and graphene oxide (GO). In the as-prepared rGO–WNd, W 18 O 49 nanorods (WNd) exhibit better crystallinity and more stable properties than conventional W 18 O 49 nanowires obtained using the solvothermal method. X-ray diffraction and Raman spectra confirm the coexistence of WNd and reduced GO (rGO). The cycle stability, capacitance, and electrochromic properties of the rGO–WNd composite film exhibit significant improvement compared with those of the pure WNd film. The rGO–WNd composite film achieves the best coloration efficiency at 535 nm. Studies have shown that the diffusion of ions is promoted and the charge transfer is accelerated after adding rGO. These conditions accelerate response time.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
·
2017
·
IF 3.582
Yuanyuan Zhao,Qunwei Tang,Benlin He,Peizhi Yang
Creation of robust and stable electrocatalysts is a persistent objective for high-efficiency hydrogen evolution by water splitting. We present here the experimental realization of one-dimensional Mo incorporated W 18 O 49 nanofibers (NFs) by a template-free solvothermal method . When utilized as electrocatalysts for hydrogen evolution through water splitting, the preliminary results demonstrate that the optimized catalytic electrode from 1 at% Mo doped W 18 O 49 NFs yields an onset overpotential of 89 mV and Tafel slope of 49 mV dec −1 as well as maximal exchange current density up to 1.60 × 10 −2 mA cm −2 . An overpotential as low as 462 mV is required to attain current density of 50 mA cm −2 in comparison with 587 mV for pristine W 18 O 49 NFs. Moreover, the Mo doped W 18 O 49 NFs display relative stability by applying a potential of 503 mV and a current density of 80 mA cm −2 over 24 h in 0.5 M H 2 SO 4 aqueous solution, making them promising in practical applications.
研究领域:
材料科学
·
化学工程
·
能源技术
✓ 已验证
产品关联
DOI
高影响因子
Nature Communications
·
2026
·
IF 18.1
Ji Guanrui,Zhang Zhen,Li Juan,Liu Xiaolei,Wang Zeyan,Mao Liang,Chen Xincheng,Wei Wei,Li Baojun,Lou Zaizhu
As a vital industrial feedstock, carbon monoxide (CO) is widely employed in pharmaceutical, electronic and fine chemical synthesis, yet its efficient production in high purity remains challenging. Here we report a solar-driven route to high-purity CO from formic acid using a nonmetallic plasmonic photocatalyst based on aluminum-doped tungsten oxide (Al-W 18 O 49 ). Plasmon-derived hot electrons drive the cleavage of C-H in adsorbed formic acid, while a concomitant photothermal effect markedly accelerates the overall kinetics. This synergistic mechanism lowers the apparent activation energy of HCOOH dehydration to 10.5 kJ mol −1 , substantially below its thermocatalytic barrier of 80.6 kJ mol −1 , and enables a CO production rate of 1.88 mol g −1 h −1 under 1 W cm −2 irradiation. A continuous-flow reactor operated stably for 350 hours, delivering CO at a maximum rate of 2000 L m −2 h −1 under concentrated sunlight. This work develops a practical photocatalytic system for the sustainable production of high-purity CO.
✓ 已验证
产品关联
DOI
高影响因子
ACS Sensors
·
2025
·
IF 9.1
Lingli Ji,Jie Sun,Baijing Li,Shuo Cheng,Zhao Zhang,Feng Gao,Jianbo Sun
Accurately detecting hydrogen sulfide in the environment and monitoring its pollution sources are crucial for pollution assessment and personal safety. However, rapid detection is a challenge due to the influence of carrier behavior and surface adsorption states. In this paper, Cu-doped W18O49 nanowires were synthesized by the solvothermal method. The surface field effect phenomenon resulting from doping and H2S adsorption enables a rapid response to H2S with significantly improved responsivity. We characterized the material’s structure and properties by SEM, TEM, and XRD techniques, verified the surface microelectric field effect by combining XPS and field effect device in situ gas sensing characterization, and discussed the sensitive mechanism of hydrogen sulfide.
研究领域:
材料科学
·
纳米技术
·
传感器
·
环境监测
✓ 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）