JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
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2021
·
IF 8.067
Guang Yang,Yunhang Qi,Daming Hu,Haochen Wang,Hongfei Chen,Liangmiao Zhang,Chuanxiang Cao,Bin Liu,Fang Xia,Yanfeng Gao
Tungsten bronze coatings and films have attracted global attention for their applications in near-infrared (NIR)-shielding windows. However, they are unstable in strong ultraviolet, humid heat, alkaline and/or oxidizing environments and are difficult to be coated on glass surfaces with complex shape. Here, we address these limitations by doping sodium tungsten bronze (Na x WO 3 ) into bulk glasses using a simple glass melting method. X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, TEM and SEM-EDS characterization confirmed the presence of sodium tungsten bronze (Na x WO 3 ) functional units inside the 34SiO 2 -38B 2 O 3 -28NaF glass matrix. Because the functional units are well protected by the glass matrix, the fabricated glasses are stable under hot, humid, oxidizing conditions, as well as under ambient conditions, with no change after 360 days. The NIR-shielding performance of these glasses can be adjusted to as high as 100 % by varying WO x concentration (2−8 mol%) and quenching temperature (1000−1400 °C). With a content of 6 mol% WO x and a quenching temperature of 1000 °C, the bulk glass shows 63 % transmission of visible light and only 11 % transmission of NIR light at 1100 nm. Thermal insulation experiments show that the NIR-shielding performance of the glasses are far superior to commercial soda lime window glass or indium-doped tin oxide (ITO) glass, and comparable to cesium tungsten bronze coated glass. The novel bulk glasses have higher stability, simpler processing, and can be easily made into complex shapes, making them excellent alternative materials for energy-saving glasses.
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高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
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2016
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IF 3.014
Zixuan Wang,Haitao Guo,Xusheng Xiao,Yantao Xu,Xiaoxia Cui,Min Lu,Bo Peng,Anping Yang,Zhiyong Yang,Shaoxuan Gu
0.2%–3% weight of Dy 3+ ions doped 64GeS 2 ·16Ga 2 S 3 ·20CdI 2 glasses were synthesized, and their spectroscopic properties were investigated. It was shown that the host glass could dissolve as much as 3% Dy 3+ ions without deteriorating the glass transparency. The mid-infrared (MIR) emissions of the glasses did not present remarkable concentration quenching when the Dy 3+ ions concentration was less than 0.6%. It was also shown that the MIR emission properties could be significantly improved by reducing S H/O H impurities in the glasses. The spectral analyses indicated that the 2.9 and 4.3 μm emissions of Dy 3+ ions in the glass showed relatively large stimulated emission cross sections. The glass doped with as high as 0.4% Dy 3+ ions was successfully drawn into fibers, indicating good potential of the doped glass for MIR lasers.
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高影响因子
JOURNAL OF NON-CRYSTALLINE SOLIDS
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2015
·
IF 1.766
Yuebo Hu,Renjun Dou,Jianbei Qiu
Upon excitation with a 980 nm laser diode (LD), the upconversion luminescence (UCL) properties of Tb 3 + /Ho 3 + /Yb 3 + tri-doped oxyfluoride silicate glasses were investigated. Five distinct emissions peaked at 489, 543, 584, 623 and 662 nm are simultaneously observed and are assigned to the electronic transitions of Tb 3 + : 5 D 4 → 7 F J (J = 6, 5, 4 and 3) and Ho 3 + : 5 F 5 → 5 I 8 , respectively. The effects of Tb 3 + and Yb 3 + concentrations on the emissions were studied. The log–log plots of the UCL intensity versus laser power show abnormal relations: the slopes are larger than those in previous reports, which could be attributed to the effect of intrinsic optical bistability (IOB) of Yb 3 + ions. In addition, the UC mechanisms were discussed in this work.
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高影响因子
JOURNAL OF NON-CRYSTALLINE SOLIDS
·
2024
·
IF 3.2
Xinyu Liu,Xin Wang,Yan Sun,Hanmeng Zhang,Yichong Chen,He Feng,Lili Hu,Shubin Chen
Effect of the substitution of Y 2 O 3 for Al 2 O 3 in the phosphate glass, Nd 3+ : P 2 O 5 -Al 2 O 3 -ZnO, on glass structure and properties are investigated. With Al 2 O 3 replaced by Y 2 O 3 , the decrease in coefficient of thermal expansion and Young's Modulus, as well as the increase in fracture toughness, lead to a significant improvement in thermal shock resistance. According to the NMR and Raman spectra, changes in the coordination of Al 3+ from P-O-Al (6) bonds to P-O-Al (4) bonds and glass structure occur, resulting in inflection points in properties. Moreover, the fluorescence properties are measured and analyzed. The relationship between glass structure and physical (ρ, T g , α ), mechanical ( E, H V , K IC ), and optical properties ( n, σ ems , Δλ eff , λ P ) are explained.
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高影响因子
Biomaterials Research
·
2024
·
IF 8.1
Shiguo Yuan,Boyuan Zheng,Kai Zheng,Zhiheng Lai,Zihang Chen,Jing Zhao,Shaoping Li,Xiaofei Zheng,Peng Wu,Huajun Wang
Skull defect repair is a complex and critical medical challenge, and there is an urgent need to develop multifunctional tissue engineering scaffolds for skull regeneration. The success of bone tissue engineering depends on the construction of scaffolds that can regulate the immune microenvironment of bone regeneration and mimic the liquid crystal and viscoelastic properties of natural bone extracellular matrix. Hence, a smart hydrogel (PEGDA5/AM15/CLC-BMP-4@MBG) with good biocompatibility and the ability to modulate the wound immune microenvironment has been developed for the repair of skull defects. The hydrogel consists of chitin liquid crystal hydrogel (PEGDA5/AM15/CLC) and mesoporous bioactive glasses (MBGs) loaded with bone morphogenetic protein-4 (BMP-4). The liquid crystal hydrogel not only offers the necessary biological support and mechanical properties but also maintains the stability of the liquid crystal state, facilitating adhesion and regeneration of surrounding bone tissue. In addition, BMP-4@MBG intelligently regulates the release rate of BMP-4 in response to changes in wound microenvironment, thus effectively promoting the transformation of macrophages from M1 to M2 macrophages. At the same time, Ca2+ and Si4+ released by MBG degradation and BMP-4 synergically promote bone repair process. The PEGDA5/AM15/CLC-BMP-4@MBG hydrogel shows excellent immunomodulatory and osteogenic properties of bone microenvironment and is a promising scaffold material for bone tissue engineering.
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DOI
PubMed
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2024
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IF 4.9
Rui Zheng,Ranfeng Wei,Chaojun Li,Hao Zhang,Wei Wang,Haipeng Wang,Qijing Sun,Jingwang Lv,Guoyang Zhang,Xiangjin Zhao,Li Liu
The dyestuff industry is one of the chemical industries that cause serious environmental pollution. To degrade pollutants, we propose a top-down anodic etching approach to prepare metal/oxide micro/nanostructured photocatalytic superhydrophobic coating on the surface of bulk amorphous alloys. Unlike common amorphous strip or powder materials, this method combines the excellent properties of amorphous alloy substrates. The metal/oxide micro/nano structure on the surface provides photocatalytic and Fenton-like performance, which can degrade organic pollutants. To further improve the catalyst ability, we modulate the sample composition. Zr 48 Cu 44 Al 8 and Zr 48 (Cu 5/6 Ag 1/6 ) 44 Al 8 bulk amorphous alloys are synthesized to be analyzed. Ultimately, the superhydrophobic Zr 48 (Cu 5/6 Ag 1/6 ) 44 Al 8 sample shows high catalytic activity with its ability to degrade methyl orange (MO) by 96.9 % within 10 minutes under UV–visible light. We also investigate the superhydrophobic and bactericidal properties of the samples, making them possible to work in harsh environmental conditions. In this way, structural-functional integrate preparation of bulk amorphous alloys is realized.
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JOURNAL OF THE AMERICAN CERAMIC SOCIETY
·
2020
·Vol. 103
·期 9
·5013-5027
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IF 3.502
Yongbao Xiao,Yao Ji,Yichen Ye,Shujing Huang,Weichao Wang
Alkali-earth-metaphosphate-based fluoro-sulfo-phosphate M(PO 3 ) 2 –AlF 3 –MSO 4 (MPFS, M = Ca, Sr, Ba) glasses have been developed via simultaneously incorporating fluoride and sulfate into metaphosphate glass. Their glass-forming regions were efficiently determined under the guidance of thermodynamic calculation method. The physical and structural properties of BaPFS glass were investigated in detail. Furthermore, near-infrared spectroscopic properties of Er 3+ -doped BaPFS (Er–BaPFS) glass were studied. Physical parameters, such as Abbe's number ν d (55-75) and nonlinear refractive index n 2 (1.17-1.86 × 10 −13 esu), of BaPFS glass are strongly depended on P/F/S ratio. The structure of BaPFS glass gradually depolymerizes and tends to become multianionic when Ba(PO 3 ) 2 is substituted by AlF 3 and BaSO 4 . Anion-substitution strategy effectively modulates the property and structure of glass, providing a scheme to derive glass materials. In addition, enhanced emission at ~1.5 μm has been observed from Er–BaPFS glass along with large emission cross section (5.0-5.5 × 10 −21 cm 2 ) and long lifetime (6.7-7.3 ms), resulting in large figure of merit (3.46-3.84 × 10 −23 cm 2 ·s), which is a promising candidate for solid-state laser.
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高影响因子
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
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2020
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IF 4.495
Yaqian Zhang,Jianming Liu,Huiling Zhang,Qingyun He,Xiaojuan Liang,Weidong Xiang
In this work, a series of perovskite nanocrystals glasses with different concentrations of Tb 3+ doped CsPbI 3 , which have excellent characteristics in terms of water resistance and cyclic thermal stability, were prepared by melt quenching and in situ crystallization methods. With the introduction of Tb 3+ , the photoluminescence quantum yield of CsPbI 3 was greatly improved. Considering that the two fluorescence peaks of Tb 3+ and CsPbI 3 at different positions respond differently to temperature stimuli, we studied the potential application of those glasses as optical temperature detection tools in the temperature range of 80−480 K. More importantly, the results showed higher sensitivity than other tools, with the maximum absolute and relative temperature sensitivities reaching as high as 0.034 K −1 and 1.78 % K -1 , respectively. This work is expected to provide an effective method for the application of CsPbX 3 in high-performance optical temperature sensing materials.
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高影响因子
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
·
2022
·Vol. 105
·期 8
·5167-5177
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IF 4.186
Ruili Zhang,Delong Ma,Jianrong Wang,Yang Chen,Xun Hu
A detailed structural investigation of a series of phosphate laser glasses with composition x Bi 2 O 3 – y Al 2 O 3 –(100 − x – y )NaPO 3 ( x = 0, 10; y = 0, 5, 10, 15, 20) has been conducted using solid-state nuclear magnetic resonance (NMR) techniques and X-ray photoelectron spectroscopy (XPS). 31 P MAS NMR spectroscopy demonstrates that the addition of Bi 2 O 3 and Al 2 O 3 leads to the depolymerization of the phosphorus chain in the process of Q 2 → Q 1 → Q 0 . The various phosphorus species (Q n , n = 0, 1, 2) are identified by 31 P single pulse, 31 P{ 27 Al} rotational echo adiabatic passage double resonance, 31 P{ 27 Al} J-coupling-based heteronuclear multiple-quantum coherence, and 1D refocused INADEQUATE experiments. The results of 23 Na{ 31 P}, 31 P{ 23 Na}, 27 Al{ 31 P} rotational echo double resonance, and XPS consistently confirm that Na + , Al 3+ , and Bi 3+ ions are all bound by phosphorus tetrahedron [PO 4 ] 3− . No bond is formed between these glass modifiers. Based on the complementary evidence from previous experiments, comprehensive local structure models are developed for these Bi 2 O 3 –Al 2 O 3 –NaPO 3 glasses.
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高影响因子
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
·
2019
·Vol. 103
·期 1
·183-192
·
IF 3.094
Xueyun Liu,Cuimei Cheng,Xiaoman Li,Qing Jiao,Shixun Dai
The design of functional materials with tunable broadband luminescence performance is still of great interest in the fields of lighting, solar cells, tunable lasers, and optical amplifiers. Here, via a melt-quenching method, a series of bismuth (Bi)-doped germanium-borate glasses with composition of 40GeO 2 –25B 2 O 3 –25Gd 2 O 3 –10La 2 O 3 – x Bi 2 O 3 have been prepared, in which multiple Bi active centers can be stabilized simultaneously. Dual-modulating modes of visible (380-750 nm) and near-infrared (NIR) (1000-1600 nm) broadband photoemissions were effectively controlled under flexible excitation scheme. Photoluminescence (PL) spectra at low temperature 10-298 K were appropriately employed to interpret such an unusual wide visible emission band. To further illustrate the origin of NIR component, transmission electron microscopy (TEM) measurement was carried out. It is demonstrated experimentally that the visible emission mainly originates from the collective contribution of the 3 P 1 / 3 P 0 1 S 0 transitions of Bi 3+ , while the broadband NIR luminescence should be related to the formation of low valent Bi + and (or) Bi 0 centers. This work may help to enhance the knowledge of the complex luminescence mechanism for the Bi species and it also enables such transparent glass materials to be a promising candidate for the multifunctional tunable light source.
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高影响因子
CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Lu Wang,Jingru You,Bokai Wang,Xiaoxin Zheng,Sen Qian,Haizheng Tao,Jing Ren
The precise prediction of multi-component oxide glass properties represents a critical frontier in advancing glass science and materials engineering. This study establishes an interpretable machine learning framework to predict physical and optical properties of glasses across a high-dimensional compositional space spanning 57 oxide components. By leveraging both composition-property and physics-informed composition-property datasets, we systematically evaluate six algorithms: Elastic Net Regression (ENR), Support Vector Machine (SVM), Random Forest (RF), Extreme Gradient Boosting (XGBoost), Multilayer Perceptron (MLP), and Convolutional Neural Network (CNN). Our analysis reveals that RF and XGBoost models achieve the highest predictive accuracy, with the physics-informed dataset effectively reducing overfitting compared to the sole composition-property dataset. SHapley Additive exPlanations (SHAP) analysis elucidates non-linear feature interactions, uncovering synergistic effects between components. For instance, we identify the strong coupling between rare earth oxides and network formers/modifiers, as well as a strong correlation between SiO 2 and B 2 O 3 . To validate the extrapolation capabilities, we apply the model to a thermal neutron-sensitive glass system (SiO 2 -MgO-Al 2 O 3 -Li 2 O-La 2 O 3 ), demonstrating the remarkable agreement between predicted and measured properties. This work underscores the potential of physics-informed machine learning to revolutionize the design and discovery of novel oxide glass materials with tailored properties, paving the way for innovations in various high-tech industries.
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高影响因子
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
·
2019
·Vol. 102
·期 12
·7288-7298
·
IF 3.094
Guoquan Qian,Guowu Tang,Qi Qian,Min Sun,Dongdan Chen,Zhonghong Jiang,Zhongmin Yang
Although great advance has been made in glass science, predicting luminescence properties of laser glass poses a significant challenge for scientists due to the complex relationship between the composition, structure, and properties of the rare earth ions doped laser glasses. The development of high-performance laser glass usually relies on intuition and trial-and-error. Recently, with the proposal of the materials genome engineering, the “glass genome” has also attracted much attention. Here, the structure of the Nd 3+ doped B 2 O 3 -Li 2 O laser glasses was analyzed using Fourier transform infrared spectra and nuclear magnetic resonance, revealing that the glass contains similar glass-forming ion-centered coordination polyhedron structure groups to the neighbor congruent glassy compounds. The structure and properties of glass largely depend on the neighbor congruent glassy compounds. Therefore, the structure and luminescence properties of Nd 3+ doped B 2 O 3 -Li 2 O and B 2 O 3 -MgO-Li 2 O laser glasses can be quantitatively predicted via the neighbor congruent glassy compounds. The predictive values are in good agreement with the experimental data, which indicates that our approach is an effective way to predict the structure and luminescence properties of Nd 3+ doped borate laser glasses.
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高影响因子
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