CHINESE JOURNAL OF POLYMER SCIENCE
·
2024
·
IF 4.1
Wang Ya-Jie,Zhang Ping,Serpe Michael J.,Chen Hong,Hu Liang
Photonic materials, which react to light, have garnered interest due to their capability to exhibit adjustable structural colors. Typically, light targets the UV, visible, or near-IR spectrums. In this study, microgel-based photonic materials that are capable of reversibly responding to X-rays have been engineered. To accomplish this, azobenzene (Azo)-containing poly( N -isopropylacrylamide) (pNIPAm)-based microgels are synthesized. Subsequently, ZnS scintillator and Cr/Au are applied on each side of the poly(methyl methacrylate (PMMA) substrate. Subsequently, the Azo MG monolayer is deposited onto the Au surface, followed by the deposition of an additional layer of Cr/Au. This process generates ZnS/PMMA/Cr/Au/Azo MG/Cr/Au or ZnS/Au-Azo MG-Au structure. Functioning as a typical interferometer, ZnS/Au-Azo MG-Au demonstrates tunable colors based on the separation distance between the two Au layers. The ZnS scintillator can absorb and convert X-rays into UV light, initiating the transition of the Azo groups from a trans to a cis state. Consequently, this transition causes the Azo MG to swell. As Azo MG swells, the distance between the two Au layers increases, resulting in a red-shift of approximately 350 nm in the optical signal of the ZnS/Au-Azo MG-Au interferometer. Remarkably, this X-ray responsivity of the interferometer is reversible, as it returns to its initial state after being stored in the dark for 24 h. To demonstrate its capabilities, the ZnS/Au-Azo MG-Au interferometer successfully releases a drug when triggered by X-ray stimulation, thus validating its potential. The microgel-based interferometers hold significant promise for applications in chemoradiotherapy, radiobiology, and actuators in space.
研究领域:
生物医学工程
·
材料科学
·
放射生物学
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DOI
高影响因子
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
·
2024
·
IF 5.7
Qiyu Liu,Jiayue Lu,Lili He,Jingyu Wang,Haiping Guo,Junhao Long,Liheng Chen,Xueqing Qiu
Industrial lignin is an underutilized resource from the pulping industry due to its high heterogeneity. The transformation of industrial lignin into monodispersed lignin colloidal spheres (LCSs) for the preparation of advanced biomass photonic materials is particularly appealing, because of their unique biocompatibility. However, the LCSs synthesized from industrial lignin generally show a wide size distribution and thus limit this specific application. To address the issue, selective functionalization was carried out to convert phenolic and aliphatic −OH groups into ester groups, decreasing the LCS size distribution to a monodispersing degree. Simulation analysis revealed that the functionalization had narrowed the difference of C–O linkage electron cloud distribution and led to a lignin polarity decrease. Additionally, atomic force microscopy (AFM) quantification of lignin proved a force distribution index (FDI) decrease from 0.38 to 0.11, which was consistent with the LCS polymer dispersity index (PDI) decrease from 0.182 to 0.05. The photonic materials can be readily prepared from monodispersed LCSs with the color precisely adjusted by controlling LCS particle sizes.
研究领域:
材料科学
·
林业工程
·
化学工程
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产品关联
DOI
PubMed
高影响因子
ACS Sustainable Chemistry & Engineering
·
2025
·
IF 7.3
Xuan Zhou,Qiyu Liu,Dongjie Yang,Xueqing Qiu,Liheng Chen,Jinhao Huang,Hongming Lou,Qizhao Shao
Biomass-based photonic materials have broad application prospects due to their excellent biocompatibility. Lignin is the most abundant aromatic polymer in nature, and it can be transformed into monodispersed particles for photonic materials preparation. However, the heterogeneity of lignin often leads to nonuniform lignin particle formation. To address this issue, a novel separation method using citric acid-acidified molten salt hydrate (MSH) was proposed to dissolve cellulose and hemicellulose while partially depolymerizing lignin from pine wood. The removal of cellulose and hemicellulose significantly improved the purity of lignin to 97.11% and the selective cleavage of β-O-4 bonds minimized lignin condensation. Low-molecular-weight lignin with high hydroxyl groups of 8.06 mmol g–1 was obtained, exhibiting a narrow distribution of intermolecular forces. Monodispersed colloidal spheres can be readily prepared from the rich-hydroxyl lignin through antisolvent self-assembly, allowing precise control over particle size ranging from 150 to 250 nm and enabling tunable single-color coverage across the full spectrum of visible light. This green and sustainable extraction and modification method for lignin provides a simple and economical strategy for preparing biomass-based photonic materials in high yield with minimal chemical utilization.
研究领域:
林业科学
·
材料科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
ACS Nano
·
2023
·
IF 17.1
Rui Xue,Hui Zhao,Ze-Wei An,Wei Wu,Yan Jiang,Peng Li,Chong-Xing Huang,Dean Shi,Robert K. Y. Li,Guo-Hua Hu,Shuang-Fei Wang
Cellulose nanocrystal (CNC)-based chiral nematic structure is widely used in stimulus response and sensing. A popular area of research is enhancing the mechanical characteristics and environmental adaptability of chiral nematic materials. In this paper, a flexible photonic film with self-healing ability (FPFS) was prepared by combining waterborne polyurethane containing dynamic covalent disulfide bonds (SSWPU) with CNC. The results found that the FPFS showed excellent toughness under the action of stretching, bending, twisting, and folding. The FPFS exhibited an amazing self-healing efficiency, which can be self-healed within 2 h at room temperature. Moreover, the FPFS could respond immediately and produce reversible color change when it was soaked in typical solvents. In addition, when ethanol was used as ink to paint on the FPFS, a visible pattern only under polarized light was formed. This study offers fresh perspectives in the areas of self-healing, biological anticounterfeiting, solvent response, and flexible photonic materials.
研究领域:
材料科学
·
生物医学工程
·
光学材料
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Advanced Optical Materials
·
2025
·
IF 7.2
Wenye Sun,Mingcong Xu,Rui Teng,Bang An,Baoqi Li,Bing Tian,Zhijun Chen,Chunhui Ma,Jian Li,Shouxin Liu,Wei Li
Cholesteric liquid crystals formed by natural polymers are particularly useful in structural color materials and circularly polarized optical materials. However, achieving customizable and intrinsic circularly polarized luminescence materials with finely controlled chiroptical properties via chirality transfer remains a formidable challenge owing to complex assembly processes. Herein, a processable chiral photonic hydroxypropyl cellulose (HPC) material with tunable structural color and circularly polarized light (CPL) is prepared via a simple physical cross-linking strategy. By adjusting the self-assembly and cross-linking process, the HPC-based photonic materials exhibit structured colors across the visible spectrum. Using these photonic inks on various substrates, vivid patterns with high color tunability are demonstrated. Furthermore, the chiral photonic films can serve as wavelength-tunable circularly polarized light filters, effectively transferring chirality to achiral polymers. Notably, by introducing luminophores into the HPC structures, multicolor right-handed CPL with a maximum g lum of −0.34 is achieved through efficient chirality transfer. Moreover, these customizable multicolor CPL-active HPC films can function as programmable pixel dots, which have potential for advanced information displays and encryption applications. This study presents a promising strategy for fabricating high-performance CPL systems, promoting the application of cellulose photonic materials in structural color coatings, chiroptical devices, asymmetric synthesis routes, and advanced displays.
研究领域:
高分子科学
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光学材料
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纳米科技
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生物医用材料
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软物质物理
✓ 已验证
产品关联
DOI
高影响因子
Journal of Materials Research and Technology-JMR&T
·
2022
·
IF 6.267
Yanying Zhang,Wenfei Shen,Lili Li,Zaixin Long,Shuxin Li,Tonghui Li,Yao Wang,Olle Inganäs,Jianguo Tang
In this work, living diatoms (LDT) were fed Eu 3+ -complex-polysaccharide aggregates (EIPA), and the living diatoms integrated-EIPAs (LDT-E) in a completely new UV downconversion biophotonic material. The EIPAs were embedded inside siliceous cell walls of living diatoms. When dried, these diatoms (LDT-Es) are luminescent at 612 nm, due to the Eu 3+ -complex. As UV-downconversion material, LDT-E absorbs UV light in the band of 250–400 nm and converts into useful visible light, thus contributing to UV-protection and potentially to photocurrent generation in photovoltaic devices. This downconversion material from living diatom retains the porous characteristics of the diatom siliceous cells, as well as the diatom organic components. Most important is the absence of a chemical process to generate this biomaterial from natural living diatoms, in order to obtain UV-protection and downconversion.
研究领域:
生物光子学
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材料科学
·
纳米技术
·
环境科学
·
光伏技术
✓ 已验证
产品关联
DOI
高影响因子
ACS Nano
·
2024
·
IF 15.8
Jiajun He,Qingyuan Zhang,Yaya Zhou,Yu Chen,Haixiong Ge,Shaochun Tang
Passive radiative cooling (PRC) has been acknowledged to be an environmentally friendly cooling technique, and especially artificial photonic materials with manipulating light–matter interaction ability are more favorable for PRC. However, scalable production of radiative cooling materials with advanced biologically inspired structures, fascinating properties, and high throughput is still challenging. Herein, we reported a bioinspired design combining surface ordered pyramid arrays and internal three-dimensional hierarchical pores for highly efficient PRC based on mimicking natural photonic structures of the white beetle Cyphochilus’ wings. The biological photonic film consisting of surface ordered pyramid arrays with a bottom side length of 4 μm together with amounts of internal nano- and micropores was fabricated by using scalable phase separation and a quick hot-pressing process. Optimization of pore structures and surface-enhanced photonic arrays enables the bioinspired film to possess an average solar reflectance of ∼98% and a high infrared emissivity of ∼96%. A temperature drop of ∼8.8 °C below the ambient temperature is recorded in the daytime. Besides the notable PRC capability, the bioinspired film exhibits excellent flexibility, strong mechanical strength, and hydrophobicity; therefore, it can be applied in many complex outdoor scenarios. This work provides a highly efficient and mold replication-like route to develop highly efficient passive cooling devices.
研究领域:
材料科学
·
光子学
·
环境科学
·
生物工程
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产品关联
DOI
PubMed
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2023
·Vol. 34
·期 2
·2308973
·
IF 19
Xiaoxiang Wen,Jinxia Zhang,Jianing Li,Yue Li,Yuchen Shi,Xuegang Lu,Sen Yang,Jing Yu
The escalating need for enhanced cryptographic security necessitates the development of advanced materials designed for the secure storage and transmission of information. Drawing inspiration from the unique color-altering and polarizing capabilities of beetles, this work develops a transparent, thermochromic, and circularly polarized cholesteric phase cellulose composite (CPCC). This is achieved by integrating self-assembled hydroxypropyl cellulose with cholesteric liquid crystal (CLC) structure in tandem with a crosslinked poly(N-isopropyl acrylamide) (PNIPAM) network. The crosslinking density impacts the response degree of thermochromism, which can be regulated by modifying the UV exposure time during PNIPAM production. The CLC structure in CPCC uniquely results in reflected right circularly polarized light. When coupled with waveplates, this mechanism inverts the rotation direction of the reflected light, creating orthogonal structural colors of different brightness levels under left and right circularly polarized light. The excellent transparency of CPCC facilitates seamless integration with the environment, offering optimal camouflage. Sophisticated techniques, such as color coding and Morse coding, can further be incorporated within the CPCC to increase encryption security and the complexity of decryption. Collectively, the CPCC's transparency, thermochromism, and chirality present significant potential in the design and development of materials for high-security information encryption, contributing valuable insights to the field.
研究领域:
材料科学
·
光学与光子学
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信息安全
·
软物质物理
·
高分子化学
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DOI
高影响因子
COMPOSITES SCIENCE AND TECHNOLOGY
·
2024
·
IF 8.3
Shiwei Feng,Jingjing Cui,Yunlong Guo,Weizi Gao,Yongding Sun,Chen Liang,Zhe Lu,Biao Zhang
Integration of functional nanomaterials into 3D printing polymers expands the versatility of 4D printing. However, high performance and multi-UV curable materials adaptable nanoparticles for 4D printing are still urgently needed to avoid printing complications and deformation limitations caused by high filler loadings. Here, high performance oxygen-deficient tungsten oxide nanoparticles (WO 3-x NPs) are synthesized via a straightforward hydrothermal method, and the resulting nanoparticles (NPs) exhibit excellent photothermal property which can rapidly increase from room temperature to 562.6 °C in less than 2 s via near-infrared (NIR) light irradiation. Moreover, these NPs can also be well dispersed in a wide range of photocurable polymers, such as UV curable hydrogel, shape memory polymer, and dual-curing polymer, forming variety of nanocomposite systems. The formed nanocomposite systems can be manufactured into complex 3D structures via digital light processing based 4D printing. Just trace WO 3-x NPs in nanocomposite systems (<2 wt‰) can help realize the controllable photothermal properties of the printed structures, which are capable of arbitrary spatial deformation, remote-controlled distortion, and on-demand reinforcement in response to NIR irradiation, presenting a succinct and impactful approach to broadening the application scope of light-controlled DLP-based 4D printing.
研究领域:
材料科学
·
纳米技术
·
增材制造
·
光子材料
·
3D打印
✓ 已验证
产品关联
DOI
高影响因子
ACS Applied Nano Materials
·
2024
·
IF 5.3
Ning Ding,Neng Hu,Junfeng Zhang,Huawei Xu,Liubang Meng,Xin Cai,Peter Müller-Buschbaum,Dongming Qi,Qi Zhong
Because of the detrimental effects of excessive exposure to solar ultraviolet radiation (UVR) on human skin health, wearable UVR detectors have attracted more and more attention. Inspired by the artwork “Tian-tsui hair pin with flora decoration” from the Palace Museum, a reversible and photochromic peony-shaped hairpin is designed to realize the visualized detection of solar UV radiation. It is prepared via electrospinning a mixed solution containing thermoplastic polyurethanes (TPUs) and Zn-MOF@WO3 onto microfiber nonwoven fabrics (MFNFs). Because of the enhanced UV responsive and photochromic capability from Zn-MOF@WO3 as well the excellent flexibility from TPUs and MFNFs, the obtained hairpin presents an excellent photoresponsive and wearable performance. When exposed to UV radiation from sunshine, the hairpin switches from white to light blue and finally to blue with radiation time. The colors light blue and blue can be used to indicate the UV radiation doses for the synthesis of vitamin D and the induction of erythema, respectively. With the assistance of oxygen in air, the hairpin recovers to its original state after being maintained in a dark atmosphere for 12 h. Even after six cycles of exposure to UV radiation and recovery in the dark, the photochromic performance almost remains unchanged. Only a minor reduction of 5% is observed. As a traditional wearable headdress in China, the peony-shaped hairpin prepared from the hybrid nanofibers not only presents oriental elegance but also is suitable for cyclical use in the daytime to monitor UV radiation for skin health management.
研究领域:
材料科学
·
纳米技术
·
光子材料
·
可穿戴技术
·
皮肤健康
✓ 已验证
产品关联
DOI
高影响因子
MICROCHEMICAL JOURNAL
·
2025
·
IF 5.1
Jianwei Xin,Irfan Muhammad,Zihui Meng,Yuqi Zhang
O-Phthalaldehyde (OPA) is a novel chemical disinfectant that has seen widespread use in healthcare environments. To ensure the efficacy of OPA-based disinfection in clinical practice, precise and reliable determination of its operational concentration is essential. Current methods, such as indicator strips, offer only semi-quantitative results, with their accuracy being influenced by multiple factors. Thus, there is an urgent need for the development of novel, efficient, and straightforward quantitative detection methods for OPA. DVD-R discs can be regarded as one-dimensional photonic crystals, which inspired the design of one-dimensional photonic crystal hydrogel (1DPCH) using DVD-R discs as templates. A sensor responsive to OPA was constructed by functionalizing the 1DPCH with ethylenediamine, thereby introducing amino groups into the hydrogel. These amino groups interact with OPA, and as the OPA concentration increases, the hydrogel undergoes enhanced crosslinking, leading to volume shrinkage. This shrinkage results in a reduction in the groove spacing of the embedded photonic crystal, which in increase the first-order diffraction spacing. By measuring the variation of the first-order diffraction spacing, the change in groove spacing can be quantified through a mathematical relationship. The experimental results exhibited a strong linear correlation with the change in groove spacing over the concentration logarithm range of 10 1 –10 6 nmol/L. the limit of detection was 1.26 nmol/L. additionally, the sensor exhibited high recovery rates (96.09–103.35 %) and low relative standard deviation (1.68–3.95 %) when detecting OPA in diluted disinfectant solutions. These findings suggest that the developed 1DPCH sensor is highly effective for the detection of OPA in clinical applications
研究领域:
分析化学
·
生物医学工程
·
传感器与生物传感器
·
光子材料
·
临床诊断
✓ 已验证
产品关联
DOI
高影响因子
Nature Communications
·
2025
·Vol. 16
·期 1
·1-11
·
IF 15.7
Wang Changxing,Ning Yayun,Yue Yifan,Du Guoli,Xie Yuechi,Li Jianing,Bibi Nazia,Wen Xiaoxiang,Li Jianing,Yang Sen,Lu Xuegang
Developing room-temperature phosphorescent (RTP) materials with microscale periodic structures presents a promising prospect for future optical applications but remains challenging due to the complex integration of luminescent and structural components. Herein, we present a strategy for large-scale production of RTP silica nanospheres (RTP SiO 2 NPs) with a low dispersity in size using a modified Stöber method, where organic molecules are embedded in silica networks and subsequently undergo in-situ carbonization, aggregation and crystallization to form phosphorescent carbon dots under high-temperature calcination. These NPs can self-assemble into photonic crystal (PC) structures, enabling the straightforward integration of structural color, fluorescence (FL) and RTP to achieve multimodal luminescent properties. The angle-dependent photonic bandgap (PBG) generated by the physical periodic structure modulates light propagation in RTP PC gels, creating FL and RTP angle-dependent chromatic responses. Temperature-induced refractive index changes between SiO 2 and the liquid matrix further enable dynamic control of light-scattering states, significantly altering transmittance and emission intensities of FL and RTP. This fusion of physical photonic structures with luminescence offers potential approach for constructing advanced multimodal luminescent devices.
研究领域:
材料科学
·
纳米技术
·
光学
·
光子材料
·
发光材料
·
化学合成
✓ 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）