CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Xin Tong,Hongquan Yu,Xiangping Li,Sai Xu,Baojiu Chen
Owing to their environmental friendliness, structural tunability, and ability to emit self-trapped excitons, lead-free halide double perovskites (DPs) have demonstrated significant potential for applications in light-emitting diodes (LEDs) and photodetectors. However, their chemical and thermal stability is generally insufficient. These limitations hinder their practical application in LEDs, as these devices typically generate considerable heat under high operating currents and prolonged usage, particularly in the case of infrared LEDs. In this work, Er 3+ -doped double perovskites (Cs 2 NaYCl 6 and the Cs 2 NaYCl 6 @0.6 KBr composite) were synthesized via a hydrothermal method. The emission intensity of Cs 2 NaYCl 6 :2 % Er 3+ @0.6 KBr is five times greater than that of Cs 2 NaYCl 6 :2 % Er 3+ within the wavelength range of 1400–1600 nm. In the Cs 2 NaYCl 6 :Er 3+ @0.6 KBr composite, the surface defects of Cs 2 NaYCl 6 :Er 3+ were modified by the introduction of KBr, leading to an increase in the external quantum efficiency (EQE) of Cs 2 NaYCl 6 :Er 3+ from 9.5 % to 30.0 %. Under a 150 mA working current, the operating temperatures of the near-infrared (NIR) LED devices based on the Cs 2 NaYCl 6 :2 %Er 3+ and Cs 2 NaYCl 6 :2 %Er 3+ @0.6 KBr composite are 53.2 and 47.4 °C, respectively. After working for 2 h, the temperatures of the NIR LEDs based on Cs 2 NaYCl 6 :2 %Er 3+ and Cs 2 NaYCl 6 :2 %Er 3+ @0.6 KBr were 60.3 °C and 46.0 °C, respectively, under a 100 mA operating current.
研究领域:
材料科学
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光学工程
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固态照明技术
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稀土发光材料
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高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Weijing Yao,Jun Huang,Wei Liu,Jiahao Ma,Jingyang Li,Dongsheng Liu,Yumeng Yang,Xuying Liu,Qingyong Tian,Wentao Liu
Stimulus-responsive fluorescent materials have attracted widespread attention in information encryption. However, the development of versatile, tough, self-healing fluorescent anti-counterfeiting materials with high confidentiality remains a formidable challenge. Herein, we present a shape-memory self-healing fluorescent polyurethane (HFPU) for the construction of a multi-level information encryption platform. The internal microphase-separated structure, along with abundant hydrogen bonds and disulfide bonds interactions, endows HFPU with excellent toughness (138.2 MJ/m 3 ) and rapid self-healing capability (90.3 %) under thermal excitation. The HFPU backbone incorporates 4-[2-(4-hydroxyphenyl)-1,2-diphenylethenyl]phenol (HPPE) units, which exhibit aggregation-induced emission (AIE) during solid-state aggregation, enabling the encryption of screen-printed two-dimensional (2D) fluorescence patterns. Furthermore, MXene as a photothermal filler, was introduced into HFPU to realize the remote non-invasive triggering of shape memory and the self-healing process via NIR light. The shape memory behavior enables the concealment of 2D fluorescence information via three-dimensional (3D) structural transformations, facilitating multi-level and multidimensional information storage and encryption. This study provides a feasible strategy for the development of smart anti-counterfeiting materials with long lifespan and enhanced information security.
研究领域:
材料科学
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高分子化学
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光电子学
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信息安全
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纳米技术
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DOI
高影响因子
International Journal of Nanomedicine
·
2025
·
IF 6.5
Yiwen Xie,Yuwei Shi,Zhihui Li,Sumei Xu,Zhiyun Chen,Xuxia Ye,Wenxi Yan
Introduction Chemotherapy remains the primary treatment modality for advanced and unresectable tumors; however, its antitumor efficacy is limited, and it has significant toxic effects on normal tissues.Methods To address these challenges, cell carrier- and nanomaterial-based strategies were employed in this study to engineer macrophages into functional “Trojan horses” loaded with ICG–CDDP mesoporous silicon nanoparticles, yielding an intelligent cell carrier chemotherapeutic drug delivery system with controlled light responsiveness and “on-demand” nanophotothermolysis capabilities.Results Our findings demonstrate that the intelligent macrophage drug delivery system actively homes to tumor sites and that indocyanine green (ICG) fluorescence can be used to visualize exogenous macrophages at the tumor site. In response irradiation of the delivery area with exogenous near-infrared (NIR) light, ICG generates a thermal effect, resulting in the lysis of macrophages and facilitating spatiotemporally controlled burst release of intracellular cisplatin, thereby precisely targeting tumor cells. Simultaneously, ICG can trigger immunogenic cell death (ICD) under NIR irradiation, transforming “cold tumors” into “hot tumors” and eliciting a prolonged antitumor immune response, thereby overcoming the limitations associated with chemotherapeutic drugs.Conclusion This collaborative trimodal strategy successfully represents a triple breakthrough in precise delivery, spatiotemporally controlled drug release, and immune activation. It is an innovative solution for the precise treatment of advanced tumors and has substantial potential for clinical translation.
研究领域:
肿瘤学
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纳米医学
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免疫学
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药剂学
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转化医学
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分子影像学
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DOI
PubMed
高影响因子
Journal of Materials Chemistry A
·
2025
·
IF 9.5
Chunhao Li,Aojue Ke,Huifang Shen,Xinya Zhang
Smart windows have attracted significant attention due to their potential for energy conservation. However, their practical applications are limited by the monotonous color variation and poor near-infrared (NIR) shielding performance. In this study, a novel smart window was constructed by integrating a crack-free photonic crystal array (100 mm×100 mm) with poly(N-isopropylacrylamide) (PNIPAm), sodium carboxymethyl cellulose (CMC), and antimony tin oxide (ATO) nanoparticles. The photonic band gap of the photonic crystal array endows the smart window with unique visible light modulation properties and temperature indication functionality, enabling dynamic color variation at various surrounding temperatures. The smart window exhibits excellent solar light modulation (ΔTsol=38%) and NIR transmittance (TIR=30%), which is attributed to the synergistic effect of ATO nanoparticles and PNIPAm hydrogel. The incorporation of CMC enhances the optical modulation capability and durability of the PNIPAm hydrogel. Due to the heat-absorbing and NIR absorption properties of ATO nanoparticles and the thermochromic and heat insulation characteristics of PNIPAm hydrogel, the smart window achieves a maximum temperature difference of 7.2 °C compared with normal glass. This work provides a novel strategy for constructing smart windows based on photonic crystals, demonstrating great potential in temperature monitoring, heat insulation, and other applications.
研究领域:
材料科学
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能源技术
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光学工程
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DOI
高影响因子
Materials Advances
·
2025
·
IF 4.7
Li-Ping Wang,Lu-Lu Jiang,Zong-Ze Cui,Zheng-Hui Hu,Le-Ping Miao,Jian-Rong Li,Heng-Yun Ye,Chao Shi
Hybrid perovskites are highly desirable for potential applicationsin optoelectronics. Although luminescent hybrid perovskites have a variety of technically important applications, achieving dielectric transition and near-infrared (NIR) luminescence properties simultaneously is still challenging. Herein, utilizing the NIR-luminescent properties of rare-earth ions, an Nd3+-containing nitrate-bridged hybrid bimetal dielectric, (MQ)5[K2Nd2(NO3)13] (1; MQ = N-methylquinuclidinium cation), was successfully constructed. It exhibited a switchable dielectric constant (ε′) between low- and high-dielectric states along with NIR-luminescent property. The contrast was strikingly reached 1.88, and the was 1.18 times higher than that of silicon nitride. Furthermore, the reversibility of the switchable dielectric constant between the and at 1 MHz was observed after many ε′-switching cycles with no obvious weakening, which endowed this material with the desirable thermodynamic stability. Notably, 1 exhibited NIR photoluminescence at 1068 nm with a fluorescence lifetime of 1.920 μs, and the Nd3+ ion acted as an activator of the NIR luminescence. This finding represents a significant step toward advanced NIR-emissive responsive dielectrics for optoelectronic applications.
研究领域:
材料科学
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光学
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DOI
高影响因子
ADVANCED MATERIALS
·
2025
·
IF 26.8
Yu Zeng,Yong Liu,Tengyao Jiang,Fangyuan Zhao,Likun Wang,Sainan Ma,Guojian Yang,Sijia Han,Guoqiao Lai,Gang Tan,Gaorong Han
Intelligent modulation of solar and thermal radiation for a smart window, including visible, near-infrared (NIR), and long-wave infrared (LWIR) spectral tri-bands (0.38–25 µm), to achieve indoor comfort and energy efficiency is a critical frontier in sustainable building design. However, independent regulations of multi-functional radiation of visible lighting, NIR heating, and LWIR radiative cooling for dynamic operational requirements and weather conditions are not fully solved. A PET/ITO/PB/Pt-NPs electrode featuring separated reactions of ion insertion and metal electrodeposition for dual-band modulation of visible and NIR via precise potential control, enabling multifunctionalities such as illumination, glare reduction, and privacy protection is proposed. A multimodal smart window of lighting-heating-emitting electro-modulation device (LHE-ED), wherein electrochromism and dynamic emittance are delicately manipulated for tri-band modulation, possesses six independent electro-driven states of multi-scene lighting-heating-emitting regulations for the first time, exhibiting excellent wavelength selectivity of △ T Vis = 41.24%, △ T NIR = 53.95%, and Δ ε 8-13 µm = 0.35. Building energy simulations demonstrate the LHE-ED outperforms commercial low-E glass across diverse climate zones, showcasing a maximum reduction in CO 2 emissions of 34.01 kg (m 2 year) −1 and a decrease in heating, ventilation and air conditioning (HVAC) energy consumption by 34.18% annually, which paves the way for next-generation smart window in terms of energy saving and environmental preservation.
研究领域:
材料科学
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光学工程
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建筑技术
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能效
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环境科学
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DOI
PubMed
高影响因子
Materials Today Bio
·
2026
·
IF 10.2
Yijun Liu,Peng Qiu,Huifang Hao,Ang’ang Ding,Zhaoyu Wu,Jiahao Lei,Zhaoxi Peng,Hongji Pu,Chenlin Zeng,Hongbin Guo,Xiaodong Wu,Huaxiang Lu,Jinbao Qin,Ruihua Wang,Haoqi Liu,Kaichuang Ye,Xinwu Lu
Abdominal aortic aneurysm (AAA) is a degenerative aortic disease with high rupture-associated mortality. There is no effective medical therapy for early intervention, inflammatory microenvironment remodeling is a crucial therapeutic strategy. Herein, we designed a multifunctional nanoplatform, Cu 9 S 8 @MCC950-Belnacasan-cRGDfK (CS@MBR) for AAA treatment. This platform employed a Cu 9 S 8 core for near-infrared-II (NIR-II) photothermal therapy (PTT), encapsulated NLRP3 inflammasome inhibitors (MCC950 and Belnacasan), and coated with a cRGDfK peptide for active targeting of the aneurysm. In vitro, CS@MBR with mild PTT inhibited NLRP3 inflammasome activation, decreased pro-inflammatory macrophage polarization, and prevented the phenotype switching of vascular smooth muscle cells. In vivo, CS@MBR demonstrated excellent accumulation at the aneurysm site in an angiotensin-II-induced murine AAA model. Upon NIR-II irradiation, the treatment effectively inhibited AAA development, damage of elastic fibers, and imbalance of the inflammatory microenvironment. This study presents a promising, targeted nanotherapeutic strategy for the treatment of AAA and other inflammatory vascular diseases.
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高影响因子
WATER AIR AND SOIL POLLUTION
·
2017
·Vol. 228
·期 5
·177
·
IF 1.702
Qu Jia-Huan,Sun Da-Wen,Pu Hongbin
This study aimed to develop a visible and near-infrared (Vis/NIR) chemical imaging (400–1000 nm) technique to provide rapid prediction of the contents of sodium humate dissolved in aquaculture environment. Gray reference image with 5% reflectance value was first used to correct the obtained raw images in order to promote the reflectance values as compared to that with 99% reflectance for further spectral analysis. Successive projection algorithm (SPA) was introduced to extract four optimal wavelengths, which were then used for the establishment of back-propagation artificial neural network (BP-ANN) models. The results revealed that the BP-ANN model based on the selected four optimal wavelengths better performed ( \( {R}_C^2 \) = 0.986, \( {R}_{CV}^2 \) = 0.985, \( {R}_P^2 \) = 0.993, RMSEC = 0.329 mg/L, RMSECV = 0.433, RMSEP = 0.734 mg/L) than that based on the whole 381 wavelengths ( \( {R}_C^2 \) = 0.978, \( {R}_{CV}^2 \) = 0.996, \( {R}_P^2 \) = 0.977, RMSEC = 0.388 mg/L, RMSECV = 0.625, RMSEP = 0.734 mg/L). Finally, a series of chemical images were developed to clearly display the concentration distribution of the sodium humate dissolved in water, demonstrating that Vis/NIR chemical imaging technique was feasible to quantify the contents of sodium humate in the aquatic environment and could be further used for real-time monitoring the quality of aquaculture water.
研究领域:
环境监测
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水产养殖水质
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化学成像
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光谱学
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分析化学
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DOI
高影响因子
CHEMISTRY-A EUROPEAN JOURNAL
·
2016
·Vol. 23
·期 10
·2423-2431
·
IF 5.771
Yike Fu,Chao Fang,Zhaohui Ren,Gang Xu,Xiang Li,Gaorong Han
Light-responsive and photoluminescent (PL) drug-delivery platforms have sparked fascinating advancements in personalized tumor chemotherapy due to their unique characteristics in biological imaging and manipulated release kinetics. Herein, implantable Yb 3+ and Ho 3+ co-doped strontium titanate (SrTiO 3 :Yb,Ho) nanofibers were synthesized and decorated on the surface with polyacrylic acid (PAA) molecules. The preliminary in vitro assay confirmed that this implantable fibrous mesh presented sound cytocompatibility. The PAA surface decoration improved the loading capacity of an anticancer drug (doxorubicin (DOX)) and effectively prevented a daunting burst release in a neutral aqueous environment. Owing to the electrostatic bond between PAA and DOX molecules, low-pH microenvironments and NIR ( λ =808 nm) irradiation both induced significantly accelerated DOX release and consequently enhanced the local cancer-cell-killing effect. Additionally, the ratio of green-to-red emission ( I 545 / I 655 ) from the SrTiO 3 :Yb,Ho-PAA fibers responded effectively to the DOX release progress and dosage due to a fluorescence resonance energy transfer (FRET) effect. This unique characteristic enabled optical monitoring of the delivery progress in a timely manner. These SrTiO 3 :Yb,Ho-PAA nanofibers, with precise dual-triggering and optical monitoring of DOX release, are expected to serve as a new implantable drug delivery platform for personalized chemotherapy in the future. Graphical Rule with a rod : Implantable polyacrylic acid (PAA)-modified SrTiO 3 :Yb,Ho nanofibers were synthesized. Owing to electrostatic bonding between the PAA and DOX molecules (see figure), low pH and NIR ( λ =808 nm) irradiation both induced accelerated DOX release and consequently enhanced the local cancer-cell-killing effect. The ratio of green-to-red emission from the nanofibers responded effectively to the DOX release progress and enabled dosage monitoring.
研究领域:
材料科学
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纳米医学
·
药物递送系统
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生物医学工程
·
癌症治疗
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DOI
高影响因子
Nature Biomedical Engineering
·
2026
·
IF 26.6
He Haisheng,Zhu Wenwei,Miao Han,Wang Shangfeng,Du Zunguo,Zhang Hongxin,Ming Jiang,Shi Ben,Wang Hao,Qi Jianping,Fan Yong,Wu Wei,Zhao Dongyuan,Qin Lun-Xiu,Zhang Fan
Successful surgical resection of solid tumours requires highly reliable real-time intraoperative tools to accurately delineate tumour boundaries, which remains challenging in routine clinical standards. Here, we identify endogenous substances with intense autofluorescence in the second near-infrared window (NIR-II, 1,000–1,700 nm) that are abundant in human liver tissues but negligible in cancerous tissues. Inspired by this discovery, we develop a label-free and wide-field imaging approach, named tissue autofluorescence NIR-II imaging (TANI) for visualizing human liver malignancies. TANI demonstrates exceptional contrast (7.69 ± 0.52), sensitivity (97.8%) and specificity (98.4%) in delineating various liver malignancies, including hepatocellular carcinoma, intrahepatic cholangiocarcinoma and liver metastasis from cirrhotic or non-cirrhotic livers, outperforming routine fluorescence-guided surgery and conventional autofluorescence imaging in the visible (400–650 nm) or first near-infrared (700–900 nm) window. The excellent performance of TANI remains unaffected by cancer grade/stage, benign lesions or blood/bile contamination. These findings represent a promising advance in intraoperative decision-making and suggest a strong correlation between near-infrared autofluorescence and diseases. We believe that clarifying the molecular insights underlying these autofluorescent substances may provide new diagnostic directions.
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COLLOIDS AND SURFACES B-BIOINTERFACES
·
2026
·
IF 5.6
Shuang Liu,Xingyu Chen,Xiaojin Liu,Hao Zhang,Keyue Zhou,Yuting Shan,Minghui Chen,Dan Wang,Guohui Cheng
In tumor phototherapy, the intracellular antioxidant defenses, such as high concentrations of glutathione (GSH) and inefficient generation of reactive oxygen species (ROS) significantly restrict the therapeutic efficacy. In this research, we construct a dual-modal GSH depletion and near-infrared (NIR)-triggered nanoplatform (Ce6@CDP) for cascade-amplified photothermal therapy (PTT) and photodynamic therapy (PDT). This nanoplatform featured a hollow mesoporous copper sulfide (CuS) core loaded with Ce6 and encapsulated by a disulfide bond-containing polymer (DS-ANPA-PEG). Upon tumor accumulation, the polymer DS-ANPA-PEG reacts with intracellular GSH to form highly reactive quinone methides (QMs), enabling rapid GSH depletion through alkylation. This dual GSH depletion intensifies oxidative stress, potentiating Ce6-based PDT efficacy. Additionally, the CuS carrier exhibits high photothermal conversion performance (η = 39.68 %), enabling PTT under 808 nm laser irradiation for synergistic tumor eradication. Both in vitro and in vivo studies demonstrate that the PDT/PTT combination therapy significantly inhibits tumor growth while maintaining negligible systemic toxicity. Our findings provide a rational design strategy for developing tumor-microenvironment-responsive multimodal nanoplatforms.
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PubMed
高影响因子
Cell Reports Physical Science
·
2022
·
IF 7.832
Bo-Mei Liu,Si-Min Gu,Lin Huang,Rong-Fu Zhou,Zhi Zhou,Chong-Geng Ma,Rui Zou,Jing Wang
Achieving phosphor-converted light-emitting diodes (pc-LEDs) for portable NIR spectroscopy applications has evoked enormous demand for high-efficiency broadband NIR-II (1,000–1,700 nm) phosphors. Herein, a series of Li-alloyed (Li/Mg)O:Ni 2+ phosphors with tunable NIR-II emission is prepared. By alloying Li-ions into MgO:Ni 2+ , we break the uniform coordination environment of Ni 2+ emitters by substitutional disorder and induce many crystallographically equivalent Ni 2+ emitters. This leads to large spectral tuning in the NIR-II region with the peak position and full-width at half-maximum (FWHM) varying in the 1,330–1,460 and 204–350 nm regions, respectively. Consequently, ultra-broadband (FWHM = 350 nm, 10.1 mW at 350 mA) and high-efficiency (FWHM = 204 nm, 19.7 mW at 350 mA) NIR-II pc-LEDs have been fabricated simultaneously based on the explored phosphors, and its applications are also demonstrated. We anticipate that this strategy can be used to explore other NIR phosphor systems, thus opening up new avenues for next-generation NIR spectroscopy technology.
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PubMed
高影响因子
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