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学者姓名：叶芸
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Abstract ：
A cholesteric liquid crystal (CLC) reflective display is a device that employs CLC to reflect external ambient light, thereby facilitating the transfer of information. However, traditional CLC reflective displays exhibit a relatively slow response speed and are unable to be displayed in dark environments. Quantum dots (QDs), which are nanoparticles with excellent luminescence performance, can be doped to enhance device performance and the display effect. This paper proposes a multimode reflective display device (MRDE) that can respond rapidly to temperature and low-frequency AC voltage, and can realise four modes of display: reflective mode, transmissive mode, scattering mode and fluorescent mode. These modes can be converted to enhance the display effect and expand the device's application range in diverse scenarios. In reflective mode, MRDE is capable of shifting between reflective, scattering mode and transmissive modes in response to changes in temperature and voltage, and of encrypting and decrypting information. In fluorescent mode, the device is capable of displaying in dim environments, and the emission wavelength can be red-shifted from 628 nm to 636 nm within the temperature range of 248 K to 373 K. Additionally, it can provide an early warning for low and high temperature environments. The device is capable of providing early warning and encryption of information in low and high temperature environments. This provides a theoretical basis and guidance for the preparation of new devices with improved display performance, multifunctional integration, and temperature-responsive information encryption. © 2025 SPIE.
Keyword ：
Cholesteric liquid crystals Cholesteric liquid crystals Fiber optic sensors Fiber optic sensors Hadrons Hadrons Laser beams Laser beams Liquid crystal displays Liquid crystal displays Nanocrystals Nanocrystals Photoelectric cells Photoelectric cells Photoelectric microscopes Photoelectric microscopes Photons Photons Red Shift Red Shift
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| GB/T 7714 | Zhang, Tianning , Zheng, Xingke , Ye, Yun et al. Voltage/temperature responsive multimode reflective display devices for information encryption and smart windows [C] . 2025 . |
| MLA | Zhang, Tianning et al. "Voltage/temperature responsive multimode reflective display devices for information encryption and smart windows" . (2025) . |
| APA | Zhang, Tianning , Zheng, Xingke , Ye, Yun , Chen, Enguo , Guo, Tailiang . Voltage/temperature responsive multimode reflective display devices for information encryption and smart windows . (2025) . |
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Cadmium sulfide (CdS) nanocrystals with diverse morphologies are extensively utilized in various fields. For example, CdS nanorods are widely used in photocatalysis and photodetectors due to their high efficiency in photogenerated carrier separation. However, existing methods for synthesizing CdS nanorods typically require high temperatures and pressures, which limit the application of this material. In this work, an efficient hot injection procedure to control about growth in Cadmium sulfide nanorods by optimizing the proportion of dodecanethiol is reported, demonstrating the effective control of CdS nanorods growth by dodecanethiol. The maximum degradation efficiency of CdS nanorods applied to photodegradation of Rhodamine B (RhB) can reach 96%, indicating that the synthesized CdS nanorods have excellent photocatalytic properties. It is attributed to their broad absorption within the visible spectrum, which results in excellent light harvesting. And their one-dimensional structure facilitates carrier separation. Dodecanethiol act as a selective role within morphology of the CdS nanomaterials, which is anticipated to be utilized in the creation of other sulfides with different morphologies. © 2025 SPIE.
Keyword ：
Laser beams Laser beams Nanoclay Nanoclay Nanocrystals Nanocrystals Nanorods Nanorods Photocatalysis Photocatalysis Photodegradation Photodegradation Photodetectors Photodetectors Photonics Photonics Photons Photons Rhodamine B Rhodamine B
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| GB/T 7714 | Zhang, Liyan , Zhao, Wenxiao , Ye, Yun et al. The rapid synthesis of CdS nanorods by optimizing the dodecanethiol proportion for photocatalysis [C] . 2025 . |
| MLA | Zhang, Liyan et al. "The rapid synthesis of CdS nanorods by optimizing the dodecanethiol proportion for photocatalysis" . (2025) . |
| APA | Zhang, Liyan , Zhao, Wenxiao , Ye, Yun , Lin, Zexi , Wang, Ziyi , Zheng, Xingke et al. The rapid synthesis of CdS nanorods by optimizing the dodecanethiol proportion for photocatalysis . (2025) . |
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Multifunctional materials have attracted tremendous attention in intelligent and interactive devices. However, achieving multi-dimensional sensing capabilities with the same perovskite quantum dot (PQD) material is still in its infancy, with some considering it currently challenging and even unattainable. Drawing inspiration from neurons, a novel multifunctional CsPbBr3/PDMS nanosphere is devised to sense humidity, temperature, and pressure simultaneously with unique interactive responses. The carefully engineered polydimethylsiloxane (PDMS) shell enables the reversible activity of the core CsPbBr3, serving a dual role similar to dendrites in conveying and evaluating external stimuli with high sensitivity. Molecular dynamics analysis reveals that the PDMS shell with proper pore density enhances the conductivity in water and heat, imparting CsPbBr3 with sensitive but reversible properties. By tailoring the crosslinking density of the PDMS shell, nanospheres can surprisingly show customized sensitivity and reversible responses to different level of stimuli, achieving over 95% accuracy in multi-dimensional and wide-range sensing. The regular pressure-sensitive property, discovered for the first time, is attributed to the regular morphology of the nanosphere, the inherent low rigidity of the PDMS shell, and the uniform distribution of the CsPbBr3 core material in combination. This study breaks away from conventional design paradigms of perovskite core-shell materials by customizing the cross-linked density of the shell material. The reversible response mechanism of nanospheres with gradient shell density is deeply explored in response to environmental stimuli, which offers fresh insights into multi-dimensional sensing and interactive display applications.
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| GB/T 7714 | Cai, Junhu , Zhang, Xiang , Chen, Yu et al. Neuron-inspired CsPbBr3/PDMS nanospheres for multi-dimensional sensing and interactive displays [J]. | LIGHT-SCIENCE & APPLICATIONS , 2025 , 14 (1) . |
| MLA | Cai, Junhu et al. "Neuron-inspired CsPbBr3/PDMS nanospheres for multi-dimensional sensing and interactive displays" . | LIGHT-SCIENCE & APPLICATIONS 14 . 1 (2025) . |
| APA | Cai, Junhu , Zhang, Xiang , Chen, Yu , Lai, Wenzong , Ye, Yun , Xu, Sheng et al. Neuron-inspired CsPbBr3/PDMS nanospheres for multi-dimensional sensing and interactive displays . | LIGHT-SCIENCE & APPLICATIONS , 2025 , 14 (1) . |
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Optoelectronic memristors have garnered significant attention for their critical applications in neuromorphic computing. The incorporation of materials with excellent absorption efficiency in the fabrication of photoelectric memristors can significantly enhance the image recognition capabilities. CdS nanorods (NRs) are semiconductors with strong UV light absorption that can effectively improve charge transport characteristics, reduce the loss caused by recombination at the crystal surface, and enhance the light absorption characteristics. In this work, an efficient hot injection method for controlling the growth of CdS NRs or nanosquares (NSs) by optimizing the proportion of dodecanethiol (DDT) is reported. Meanwhile, two-terminal optoelectronic memristors based on CdS NSs and CdS NRs are fabricated in which the conductance of the devices can be continuously modulated under electrical and optical stimulations of different widths/spacings/amplitudes. These advantages impart the device with exceptional electrical and optical synaptic functions including excitability, inhibition, paired-pulse facilitation, short-term/long-term plasticity, and memory-forgetting behavior. In addition, the enhancement of the image recognition efficiency of the device by CdS NRs is demonstrated in experiments with the recognition of the optical image "F". This work offers valuable insights for material selection in the development of future neuromorphic devices.
Keyword ：
artificial synapses artificial synapses Cadmium sulfide Cadmium sulfide dodecanethiol dodecanethiol nanorod nanorod optoelectronicmemristor optoelectronicmemristor
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| GB/T 7714 | Zhang, Liyan , Zhao, Wenxiao , Lin, Zexi et al. CdS Nanorods in Photoelectronic Memristors for Improved Target Recognition Efficiency [J]. | ACS APPLIED NANO MATERIALS , 2025 , 8 (6) : 2940-2951 . |
| MLA | Zhang, Liyan et al. "CdS Nanorods in Photoelectronic Memristors for Improved Target Recognition Efficiency" . | ACS APPLIED NANO MATERIALS 8 . 6 (2025) : 2940-2951 . |
| APA | Zhang, Liyan , Zhao, Wenxiao , Lin, Zexi , Wang, Ziyi , Zheng, Xingke , Chen, Enguo et al. CdS Nanorods in Photoelectronic Memristors for Improved Target Recognition Efficiency . | ACS APPLIED NANO MATERIALS , 2025 , 8 (6) , 2940-2951 . |
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Single image super-resolution (SISR) is an emerging application in medical imaging, as high-quality images need to be obtained with limited radiation dose, such as low-dose computed tomography and low-field magnetic resonance imaging. However, a certain amount of noise and artifacts are frequently present in medical images due to the constraints of imaging equipment and the surrounding environment. This can cause structural distortion and blurring of details in the resulting medical images. This research proposes a dual-domain residual convolutional neural network (DDRN) based super-resolution reconstruction technique for medical images. Firstly, shallow feature extraction is performed on the low-resolution images through convolutional networks. Secondly, a newly designed spatial domain residual block (SDRB) is employed to alleviate gradient vanishing issues while enhancing feature reuse, thereby facilitating the recovery of edge details. Additionally, a coordinate attention (CA) module is incorporated to capture both channel-wise and long-range spatial correlations. By assigning adaptive weights to different channels and capturing global spatial context, CA enables precise restoration of texture and structural details in medical images. Subsequently, parallel wavelet domain residual blocks (WDRB) are employed to capture multi-directional high-frequency information, facilitating the restoration of clear texture details. Lastly, by introducing gradient space loss for training guidance, the network is encouraged to focus more on restoring the geometric structure of the image and suppressing artifacts. Extensive experiments demonstrate the superior performance of DDRN. At a scaling factor of 4, the network achieves a peak signal-to-noise ratio (PSNR) of 37.28 dB and a structural similarity index (SSIM) of 0.9310 on the COVID-19 CT lung segmentation dataset, and a PSNR of 28.85 dB and an SSIM of 0.9012 on the MRBrain2018 dataset.
Keyword ：
Deep convolutional neural network Deep convolutional neural network Gradient space loss Gradient space loss Medical image super-resolution Medical image super-resolution Residual blocks Residual blocks
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| GB/T 7714 | Chen, Peihui , Zheng, Xingke , Qiu, Yingyi et al. Dual-domain residual CNN for medical image super-resolution with enhanced detail preservation and artifact suppression [J]. | SIGNAL IMAGE AND VIDEO PROCESSING , 2025 , 19 (6) . |
| MLA | Chen, Peihui et al. "Dual-domain residual CNN for medical image super-resolution with enhanced detail preservation and artifact suppression" . | SIGNAL IMAGE AND VIDEO PROCESSING 19 . 6 (2025) . |
| APA | Chen, Peihui , Zheng, Xingke , Qiu, Yingyi , Liu, Kuanhuang , Chen, Enguo , Xu, Sheng et al. Dual-domain residual CNN for medical image super-resolution with enhanced detail preservation and artifact suppression . | SIGNAL IMAGE AND VIDEO PROCESSING , 2025 , 19 (6) . |
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This study introduces a multi-layer grating device aimed at enhancing color stability in tunable structural color and optical encryption. The device ensures both transmission efficiency and stability within the microfluidic tuning system by incorporating transition and protective layers, along with an amplified grating period. Analytical results demonstrate that the combined effect of surface plasmon waves (SPW) between the multi-layer films generates the full color spectrum solely by altering the grating period. This grating period has been effectively expanded to approximate the intended color band. Compared to single-layer gratings, the period has increased by 238%, and for multi-layer gratings, it has increased by 147%. Nanometal gratings with periods of 400, 500, and 600 nm successfully produce primary colors, with respective transmittance rates of 75.8%, 75.9%, and 71.8%. Additionally, we propose an FDTD simulation method using two orthogonally polarized Gaussian light sources to model more scenarios. The dynamic structural color capabilities of these devices in the context of microfluidics hold promising potential for applications in optical encryption and could be easier to manufacture due to the larger grating period, making the process more cost-effective compared to existing devices.
Keyword ：
Microfluidic Microfluidic Nanostructure Nanostructure Structural color Structural color Surface plasmons Surface plasmons
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| GB/T 7714 | Chen, Gangjie , Zheng, Xingke , Ye, Yun et al. Microfluidics Implemented High Stability Tunable Structural Color Device for Display and Optical Encryption [J]. | PLASMONICS , 2025 . |
| MLA | Chen, Gangjie et al. "Microfluidics Implemented High Stability Tunable Structural Color Device for Display and Optical Encryption" . | PLASMONICS (2025) . |
| APA | Chen, Gangjie , Zheng, Xingke , Ye, Yun , Zhang, Tianning , Gao, Jiaqi , Xu, Sheng et al. Microfluidics Implemented High Stability Tunable Structural Color Device for Display and Optical Encryption . | PLASMONICS , 2025 . |
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Retinal projection display enables the direct projection of virtual images onto the retina through the pupil center via a projection engine, showing promise in addressing the vergence-accommodation conflict in augmented reality near-eye displays. However, existing RPD architectures universally employ passive luminous micro-electromechanical systems or spatial light modulators, encountering challenges associated with beam aperture limitations and structural inflexibility. In response to these, this paper presents a novel micro-LED retinal projection display architecture that integrates the active luminous full-color micro-LEDs with a pixel-to-pixel imaging fiber bundle, effectively subverting conventional RPD designs. Additionally, the flexible fiber bundle brings an adaptable design that enables optoelectronic separation capabilities. The design principles and feasibility are thoroughly described and validated through simulations and experiments. A full-color mu RPD prototype is developed, demonstrating sharp imaging across an extensive focal depth range. Remarkably, the mu RPD architecture exhibits a groundbreaking advancement in enabling underwater AR displays without necessitating special waterproof treatments, underscoring its potential versatility and adaptability to challenging environments. This design paves a new way for practical applications of NEDs in complex and demanding conditions, thereby contributing to the evolution of NED systems.
Keyword ：
augmented reality augmented reality imaging fiber bundle imaging fiber bundle micro-LED micro-LED optoelectronic separation optoelectronic separation retinal projection display retinal projection display
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| GB/T 7714 | Jin, Huajian , Lin, Zijian , Lai, Wenzong et al. Micro-LED Retinal Projection for Augmented Reality Near-Eye Displays [J]. | LASER & PHOTONICS REVIEWS , 2025 . |
| MLA | Jin, Huajian et al. "Micro-LED Retinal Projection for Augmented Reality Near-Eye Displays" . | LASER & PHOTONICS REVIEWS (2025) . |
| APA | Jin, Huajian , Lin, Zijian , Lai, Wenzong , Jiang, Haonan , Cai, Junhu , Chen, Hao et al. Micro-LED Retinal Projection for Augmented Reality Near-Eye Displays . | LASER & PHOTONICS REVIEWS , 2025 . |
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The pancake structure is the mainstream optical solution for virtual reality (VR) displays due to its compact, folded optical path. However, only a small portion of the light can pass through the pancake optical engine because the incident light has to be polarized and directed to the half mirror (HM) twice. In order to improve the optical efficiency, a new pancake optical engine is proposed for VR display, which employs a diffractive deflection film (DDF) with different focal lengths in three regions and two cholesteric liquid crystal (CLC) lenses that respond to circularly polarized light. The CLC lenses are modeled, and their polarization response characteristics are verified. The pancake system is simulated and optimized in terms of image quality and evaluated for optical efficiency, achieving 2.86 times the optical efficiency of the conventional pancake system, and the root mean square (RMS) radius of the system is controlled within 19 mu m, and the modulation transfer function (MTF) at the cut-off frequency is greater than 0.2. The results indicate that this structure has great potential in the VR display field.
Keyword ：
liquid crystal liquid crystal near-eye display near-eye display optical efficiency optical efficiency pancake pancake virtual reality virtual reality
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| GB/T 7714 | Xiao, Yuze , Zhang, Jiazhan , Ye, Yun et al. Tripling Optical Efficiency of Pancake Optics for Virtual Reality Displays [J]. | CRYSTALS , 2025 , 15 (1) . |
| MLA | Xiao, Yuze et al. "Tripling Optical Efficiency of Pancake Optics for Virtual Reality Displays" . | CRYSTALS 15 . 1 (2025) . |
| APA | Xiao, Yuze , Zhang, Jiazhan , Ye, Yun , Xu, Sheng , Yan, Qun , Guo, Tailiang et al. Tripling Optical Efficiency of Pancake Optics for Virtual Reality Displays . | CRYSTALS , 2025 , 15 (1) . |
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Quantum dots(QDs)exhibit excellent optical properties with their size tunability,excellent photoluminescence quantum yield(PLQY),and broad spectral absorption,making them an ideal material choice for full-col- or,wide-gamut LED color conversion layers. In particular,MAPbBr3 quantum dots(PQDs)are not only easy to prepare,but also possess excellent photovoltaic properties,and thus are considered to be a material with great potential for commercialization. However,the ligands on the surface of MAPbBr3 PQDs are highly susceptible to detachment after their synthesis,leading to an increase in the density of surface defect states,which makes them less stable under environmental factors such as water-oxygen and temperature,thus further degrading the PLQY. In this study,we propose an efficient one-step strategy for the synthesis of MAPbBr3 PQDs∶MAPbBr3 PQDs with excellent stability and high PLQY,which were successfully synthesized by ligand-assisted redeposition and the innovative use of 2-hex-yldecanoic acid(DA)ligand to replace the conventional oleic acid(OA)ligand at room temperature,and the double-short-chain DA ligand was able to establish a stronger coordination bond with the MAPbBr3 PQDs compared with that of the single-length carbon chain OA ligand. The strong interactions between the ligands and the PQDs contribute to the overall passivation of the lattice defects,thus mitigating the non-radiative recombination process and enhancing the environmental stability. As a result,the modified MAPbBr3 PQDs not only exhibited up to 87. 8% PLQY,but also showed higher stability in both water and oxygen environments. The PL peak of MAPbBr3 PQDs modified with DA ligands remained at 68. 3% of its original value after being left for half a month in a room temperature environment, whereas OA ligand-modified PQDs exhibited almost complete fluorescence burst. Subsequently,the DA ligand-modified green MAPbBr3 PQDs,red CsPbBrI2 PQDs,and blue CsPbCl1. 5Br1. 5 PQDs were coated and cured in a polystyrene(PS)environment to form a film,which can be used as a color conversion material instead of the traditional phosphors for the backlight of light-emitting diode(LED)displays. The color gamut is 137. 09% under NTSC standard. © 2025 Editorial Office of Chinese Optics. All rights reserved.
Keyword ：
Aspect ratio Aspect ratio Atomic emission spectroscopy Atomic emission spectroscopy Carbon Quantum Dots Carbon Quantum Dots Color Color Defect density Defect density Density (optical) Density (optical) Energy efficiency Energy efficiency Grain boundaries Grain boundaries Laser beams Laser beams Layered semiconductors Layered semiconductors Ligands Ligands Light sensitive materials Light sensitive materials Liquid crystals Liquid crystals Metamorphic rocks Metamorphic rocks Nanocrystallization Nanocrystallization Photoluminescence Photoluminescence Quantum yield Quantum yield
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| GB/T 7714 | Li, Gongming , Cai, Junhu , Lai, Wenzong et al. Performance Enhancement of MAPbBr3 Perovskite Quantum Dot for Wide Color Gamut LED via Double Short-chain Ligand Modification [J]. | Chinese Journal of Luminescence , 2025 , 46 (1) : 1-11 . |
| MLA | Li, Gongming et al. "Performance Enhancement of MAPbBr3 Perovskite Quantum Dot for Wide Color Gamut LED via Double Short-chain Ligand Modification" . | Chinese Journal of Luminescence 46 . 1 (2025) : 1-11 . |
| APA | Li, Gongming , Cai, Junhu , Lai, Wenzong , Chen, Xiaogang , Zha, Nan , Ye, Yun et al. Performance Enhancement of MAPbBr3 Perovskite Quantum Dot for Wide Color Gamut LED via Double Short-chain Ligand Modification . | Chinese Journal of Luminescence , 2025 , 46 (1) , 1-11 . |
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量子点(Quantum dots)凭借其尺寸可调控、卓越的光致发光量子产率(PLQY)以及宽光谱吸收等特性,展现出了卓越的光学性能,使其成为全彩广色域显示中LED色转换层的理想材料选择.特别是MAPbBr3钙钛矿量子点(PQDs),不仅制备工艺简单,并且还拥有优异的光电性能,因而被视为极具商业化潜力的材料.然而,MAPbBr3 PQDs在合成后其表面的配体极易脱落,导致表面缺陷态密度增加,这使得它们在水氧等环境因素下稳定性较差,最终导致其PLQY进一步降低.本研究提出了一种高效的一步合成MAPbBr3 PQDs策略:通过配体辅助再沉积技术(LARP),并创新性地使用2-己基癸酸(DA)配体替换传统的油酸(OA)配体,在室温条件下成功地合成了具有出色稳定性和高PLQY的MAPbBr3 PQDs.与单长碳链的OA配体相比,双短链的DA配体能与MAPbBr3 PQDs建立起更强的配位键.配体与PQDs之间的强相互作用有助于全面钝化晶格缺陷,从而减弱非辐射过程并提高材料的环境稳定性.因此,DA修饰后的MAPbBr3 PQDs不仅展现出高达 87.8%的PLQY,而且在水氧环境中也表现出更高的稳定性.室温环境下,使用DA配体修饰后的MAPbBr3 PQDs的PL峰值在放置半个月后仍保持在原来的68.3%,而OA配体修饰的PQDs表现出几乎完全的荧光猝灭.随后,将DA配体修饰后的绿色发射MAPbBr3 PQDs、红色发射CsPbBrI2 PQDs以及蓝色发射CsPbCl1.5Br1.5 PQDs置于聚苯乙烯(PS)环境中包覆固化成膜,替代传统荧光粉应用于显示器件发光二极管(LED)的色转换层,测试其色域范围达到了NTSC标准的137.09%.
Keyword ：
DA配体 DA配体 LED LED MAPbBr3 PQDs MAPbBr3 PQDs 广色域 广色域 稳定性 稳定性
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| GB/T 7714 | 李恭明 , 蔡俊虎 , 赖文宗 et al. 双短链配体调控提升MAPbBr3量子点性能及广色域LED显示应用 [J]. | 发光学报 , 2025 , 46 (1) : 1-11 . |
| MLA | 李恭明 et al. "双短链配体调控提升MAPbBr3量子点性能及广色域LED显示应用" . | 发光学报 46 . 1 (2025) : 1-11 . |
| APA | 李恭明 , 蔡俊虎 , 赖文宗 , 陈晓钢 , 查楠 , 叶芸 et al. 双短链配体调控提升MAPbBr3量子点性能及广色域LED显示应用 . | 发光学报 , 2025 , 46 (1) , 1-11 . |
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