Article
Chemistry, Physical
Huiming Liu, Long Yan, Jinshu Huang, Zhengce An, Wang Sheng, Bo Zhou
Summary: This study reports a new nanoplatform for improving the thermal sensitivity of nanothermometry through nonthermally coupled upconversion emissions. By observing the gradual decrease of Er3+ and rapid increase of Tm3+, a significant contrast in intensity ratio and emission colors can be achieved. Introducing Ce3+ further enhances the sensitivity and expands the range of thermochromic color change.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Chemistry, Inorganic & Nuclear
Jia Zhang, Songsong An, Yuqing Pei, Yining Zhang, Jiajun Chen
Summary: Mechanoluminescence materials, such as MCP phosphors, with tunable emissions have potential applications but their mechanism is not fully understood. By fabricating Eu2+/Mn2+/Ce3+-activated MCP phosphors, researchers obtained intense blue and weak red mechanoluminescence. The position of excited energy levels and traps play a crucial role in determining the ML efficiency. The concentration-dependent ML in MCP:Eu2+,Mn2+-based devices opens up possibilities for visualized multimode anti-counterfeiting.
INORGANIC CHEMISTRY
(2023)
Article
Materials Science, Multidisciplinary
Wei Tang, Ping Liang, Xiaoxue Wang, Chen Zhang, Geng Wang, Chen Liang, Mingxiang Guan
Summary: The integration of photochromism and photoluminescence in a single material offers innovative applications in optical memory devices and multimode anti-counterfeiting. This study presents a novel strategy to create high-efficiency dynamic anti-counterfeiting materials by sintering Ba3MgSi2O8:Er3+ ceramics in a reducing atmosphere, resulting in reversible color change and fluorescence emission.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)
Article
Nanoscience & Nanotechnology
Mingli Ni, Wen Luo, Dan Wang, Yue Zhang, Haiyan Peng, Xingping Zhou, Xiaolin Xie
Summary: The crosstalk-free reconstruction of multiple images within a single element can greatly enhance image capacity and information security. This study demonstrates a viable approach by integrating upconversion and holographic images into a single holographic polymer nanocomposite, paving the way for advanced anti-counterfeiting methods.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Hui Xiao, Bin Liu, Lei Qiu, Guogang Li, Guodong Zhang, Dayu Huang, Yajie Zhao, Chunzheng Yang, Fan Jiang, Peipei Dang, Hongzhou Lian, Ziyong Cheng, Jun Lin
Summary: This study demonstrates an efficient anticounterfeiting strategy based on dual optical encryption by combining up- and downconversion luminescence in a nanocomposite material. The emission color of the nanocomposite can be changed by varying the excitation source, allowing for different luminescent patterns to improve the anticounterfeiting index and fabricate professional anticounterfeiting materials.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Yanqing Hu, Songqi Li, Shijie Yu, Shuoran Chen, Yuyang Yan, Yan Liu, Yuanpeng Chen, Caosong Chen, Qiyue Shao, Yingshuai Liu
Summary: This work presents a highly secure anticounterfeiting strategy using upconversion/afterglow hybrids with tunable tricolor emissions. By adjusting the laser power, the hybrids can emit multicolor light and then emit red afterglow light when the laser is off. With the synergistic excitation of Tm/Er microrods, the red afterglow emission has a strong initial intensity and a long duration. A pattern printed by the hybrid ink can exhibit multicolor emissions through laser adjustment and switch.
Article
Chemistry, Physical
Junshan Hu, Ruonan Wang, Ziqian Wei, Xiao Wu, Fengyi Wang, Lixin Liu, Yanzhuo Li, Hao Fu, Qing-Hua Xu
Summary: Yb3+/Er3+ co-doped beta-Ba2ScAlO5 phosphors with strong red emission and temperature-dependent properties have been prepared through equivalent substitution strategy. The red-green integrated intensity ratio can reach up to 82.5, and the red emission mechanism mainly arises from energy transfer. The optimized doping concentrations of Yb3+ and Er3+ show linear relationship with temperature, indicating potential application in optical thermometry.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Shashi Bhuckory, Satu Lahtinen, Niina Hoysniemi, Jiajia Guo, Xue Qiu, Tero Soukka, Niko Hildebrandt
Summary: In this study, the influence of surface coatings, bioconjugation, and dye-surface distance on FRET biosensing performance between UCNP and dyes was investigated using DNA-hybridization assays. The results showed that direct bioconjugation of DNA to the thin PAA coating combined with the closest possible dye-surface distance resulted in optimal FRET performance with minimal interference from H2O quenching. This improved understanding of UCNP-to-dye FRET was successfully translated into a miR-20a FRET assay with a limit of detection of 100 fmol in a sample volume of 80 μL.
Article
Chemistry, Physical
Qizheng Dong, Cheng Huang, Xinyi Huang, Ling He
Summary: This study synthesized a series of multicolor luminescent Ca0.95-xZnOS: 0.05Bi3+, xEu3+ (x = 0-0.04) materials through the high-temperature solid-state reaction method. The introduction of Eu3+ led to an observed energy transfer process from Bi3+ to Eu3+. The photoluminescence (PL) color shifted from blue-green to red, and the afterglow (AG) shifted from blue to red as the concentration of Eu3+ increased. Furthermore, CaZnOS: Bi3+, Eu3+ exhibited red mechanoluminescence with the highest intensity at 3% Eu3+ concentration, which was 14% higher than CaZnOS: 0.05Bi3+. The ML intensity exhibited a linear correlation with the stress level and could be applied to stress sensing. Therefore, a light-emitting device composed of CaZnOS: Bi3+, Eu3+ and PDMS possessed three light-emitting modes: PL, AG, and ML, suitable for optical anti-counterfeiting.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Review
Chemistry, Multidisciplinary
Yanze Wang, Bing Chen, Feng Wang
Summary: Thermal quenching, characterized by the loss of light emission with increasing temperature in luminescent materials, poses challenges in technological applications such as lighting, displays, and imaging. By engineering energy transfer routes, methods have been established to combat thermal quenching in upconversion nanoparticles. Recent efforts in overcoming thermal quenching of upconversion are summarized in this review.
Article
Materials Science, Multidisciplinary
Pengxiang Pei, Kui Liu, Zhenghua Ju, Ruiping Wei, Weisheng Liu
Summary: Luminescent materials play a vital role in information encryption and anti-counterfeiting. However, the existing materials have limitations in terms of color and output. This study developed a multimodal luminescent material with adjustable color, variable excitation patterns and multitemporal features. The fabricated anticounterfeiting device based on this material achieved synchronous multidimensional information encryption and anti-counterfeiting, showing high-level security.
JOURNAL OF MATERIALS CHEMISTRY C
(2022)
Article
Nanoscience & Nanotechnology
Xiangkai Qiao, Lukman Kasim, Ailijiang Tuerdi, Guangzhi Hu, Abdukader Abdukayum
Summary: This study synthesized dual-wavelength afterglow PLNPs Zn0.2Ga1.1Si0.9O3.65:Cr (ZGSiO:Cr) using a hydrothermal method followed by calcination. The luminescence color and afterglow time of the PLNPs can be controlled by adjusting the content of Si4+. The as-prepared ZGSiO:Cr showed high-level, dynamic, and multimodal anticounterfeiting capabilities, with easy operation and low cost, providing a more convenient and effective method for multimode anticounterfeiting, encryption, and currency information tracking.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Inorganic & Nuclear
Yun-Ling Yang, Ting Li, Fan Guo, Jia-Yong Yuan, Chong-Hao Zhang, Yu Zhou, Qian-Li Li, Dong-Yun Wan, Jing-Tai Zhao, Zhi-Jun Zhang
Summary: In this study, a series of Sr1-xBixZnSO samples were successfully synthesized, showing that increasing the concentration of Bi3+ led to an increase in distortion of the SrO3S3 octahedron and obtaining Sr1-xBixZnSO materials with different luminescent colors. Additionally, utilizing deep traps to store and release electrons enabled the devices to achieve multifunctional anti-counterfeiting functions.
INORGANIC CHEMISTRY
(2022)
Article
Materials Science, Multidisciplinary
Pengxiang Pei, Yongqing Bai, Junxia Su, Yuzhu Yang, Weisheng Liu
Summary: This study reports a highly integrated multifunctional material that can achieve color-tunability, tunable excitation patterns, and quadrimodal emission modes. It is suitable for producing elastomer films with multidimensional information encryption and anticounterfeiting capabilities.
SCIENCE CHINA-MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yao Xie, Guotao Sun, Gabrielle A. A. Mandl, Steven L. L. Maurizio, Jiabo Chen, John A. A. Capobianco, Lining Sun
Summary: Lanthanide-doped metal-organic frameworks (Ln-MOFs) with upconversion luminescence were successfully synthesized by doping Yb-BTC MOF 1D microrods with Er3+, Ho3+, Tb3+, and Eu3+ ions. The MOFs exhibited both cooperative luminescence from Yb3+ and characteristic emission bands of the dopant ions. In contrast, the MOFs doped with Tm3+, Pr3+, Sm3+, and Dy3+ ions only showed the 497 nm upconversion emission band from Yb3+.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Review
Materials Science, Multidisciplinary
Han-Lin Wei, Weilin Zheng, Xin Zhang, Hao Suo, Bing Chen, Yanze Wang, Feng Wang
Summary: This review highlights the recent development of NIR-to-UV UCNPs and their emerging biomedical applications.
ADVANCED OPTICAL MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Weilin Zheng, Xiucai Wang, Xin Zhang, Bing Chen, Hao Suo, Zhifeng Xing, Yanze Wang, Han-Lin Wei, Jiangkun Chen, Yang Guo, Feng Wang
Summary: In the past decade, halide perovskites have gained significant attention for their excellent properties in optoelectronics. Recently, the discovery of ferroelectricity in halide perovskites has attracted widespread interest. Compared to traditional perovskite oxide ferroelectrics, halide perovskites offer advantages such as structural softness, low weight, and easy processing, making them highly desirable for miniaturization and flexibility in applications. This review focuses on the current research progress in halide perovskite ferroelectrics, including emerging materials systems and their potential applications in ferroelectric photovoltaics, self-powered photodetection, and X-ray detection. The main challenges and potential solutions for the future development of halide perovskite ferroelectric materials are also discussed.
ADVANCED MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Leipeng Li, Jingjing Ning, Chongyang Cai, Zheng Zhu, Yixiao Han, Yuantian Zheng, Dengfeng Peng, Jianrong Qiu, Yanmin Yang
Summary: In this study, a solid and novel ML thermometry framework is established using CaZnOS:Er3+ material and the well-established Boltzmann distribution. The utility of this framework is demonstrated and potential applications in anti-counterfeiting and information encryption are discussed, providing a foundation for future ML applications.
SCIENCE CHINA-MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Leipeng Li, Chongyang Cai, Xiaohuan Lv, Xingqiang Shi, Dengfeng Peng, Jianrong Qiu, Yanmin Yang
Summary: Due to the upcoming global energy crisis, the search for energy-saving materials has become more urgent. Mechanically induced luminescent materials have received considerable attention over the past two decades for their ability to convert waste into useful components, such as converting stress into light. This study introduces a strategy to improve mechanoluminescence (ML) of ZnO by embedding it in a ZnF2:Mn2+ matrix, which shows promising applications in various mechano-optics scenarios.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Inorganic & Nuclear
Qi Yang, Meng-Qing Yu, Zi-Ang Su, Zhen Pei, Dengfeng Peng, Guo Peng, Xiao-Ming Ren
Summary: Two hybrid compounds of organic-inorganic manganese(II) halides were synthesized using a mixed-ligand strategy. They possess high thermal stability, emit strong green light, and can be used for fabricating green light-emitting diodes (LEDs) and rewritable anticounterfeiting printing and information storage.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Changjian Chen, Zhu Lin, Honghui Huang, Xin Pan, Tian-Liang Zhou, Hongde Luo, Libo Jin, Dengfeng Peng, Jian Xu, Yixi Zhuang, Rong-Jun Xie
Summary: Converting mechanical energy into photon emission has significant implications for intelligent sensing, self-powered lighting, and distributed energy harvesting. Understanding the dynamic process of intensity variation in mechano-to-photon conversion is challenging and requires a time-domain characterization scheme. By characterizing the mechanoluminescence decay, the dynamics of charge migration in ML materials can be revealed. This research also demonstrates the temperature dependence and stress fluctuation resistance of ML decay, which opens up new possibilities for self-powered and remote temperature sensing. Additionally, an ultrafast-response stress sensor utilizing ML sensing technology is developed.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Teng Zheng, Marcin Runowski, Inocencio R. Martin, Kevin Soler-Carracedo, Liang Peng, Malgorzata Skwierczynska, Malgorzata Sojka, Justyna Barzowska, Sebastian Mahlik, Hanoch Hemmerich, Fernando Rivera-Lopez, Piotr Kulpinski, Victor Lavin, Daniel Alonso, Dengfeng Peng
Summary: A multifunctional sensing platform based on photoluminescence (PL) and mechanoluminescence (ML) is created by combining heterojunctioned ZnS/CaZnOS:Mn2+ mechano-photonic materials and fiber spinning. Flexible optical devices capable of emitting light driven by mechanical force are developed by embedding ML-active particles in micrometer-sized cellulose fibers using a 3D-printing technique. The platform allows low-pressure sensing up to 100 bar and demonstrates a superior high-pressure sensitivity of 6.20 nm GPa(-1) using the developed optical manometer based on the PL of the materials. Four modes of temperature detection are achieved using this platform.
ADVANCED MATERIALS
(2023)
Article
Optics
Xin Zhang, Hao Suo, Yanze Wang, Bing Chen, Weilin Zheng, Qiangke Wang, Yu Wang, Zixin Zeng, Sai-Wing Tsang, Dong Tu, Feng Wang
Summary: A strategy for the systematic tuning of persistent luminescence (PersL) in a wurtzite CaZnOS crystal, based on synergistic defect engineering, is presented. This strategy allows for control of PersL in the wavelength, time, and temperature domains, and enables the production of PersL in a vast collection of emitters with distinct electronic transitions, which is inaccessible to existing material systems. The results demonstrate the potential of this strategy for information encryption and photoexcitation-free optical thermometry.
LASER & PHOTONICS REVIEWS
(2023)
Article
Chemistry, Multidisciplinary
Xiaohe Wei, Fengjun Chun, Feihong Liu, Xin Zhang, Weilin Zheng, Yang Guo, Zhifeng Xing, Haiyan An, Dangyuan Lei, Yu Tang, Chun-Hua Yan, Feng Wang
Summary: ACEL devices based on lanthanide metal-organic frameworks (Ln-MOFs) offer uniform luminescence, stable performance, and outstanding deformability. The ACEL color can be fine-tuned by controlling the composition of Ln-MOFs. These advances expand the application of ACEL devices in anti-counterfeiting.
Article
Automation & Control Systems
Hongyou Zhou, Xin Wang, Yongcheng He, Haohua Liang, Meihua Chen, Haojun Liu, Abdulkareem Qasem, Puxian Xiong, Dengfeng Peng, Jiulin Gan, Zhongmin Yang
Summary: This paper reports a self-powered and stretchable optical fiber strain sensor with distributed sensing capability based on mechanoluminescent optical fiber. It can locate and quantify large strains through wavelength coding technique and time-domain filtering comparison method. The sensor shows insensitivity to bending, compression, and temperature disturbances, and has outstanding durability. With excellent light confinement of the elastomer optical fiber, it has the potential to be a promising technology for future self-powered distributed optical sensing systems.
ADVANCED INTELLIGENT SYSTEMS
(2023)
Article
Chemistry, Inorganic & Nuclear
Huangqing Ye, Jiahui Chen, Yougen Hu, Yunming Li, Yu Wang, Xian-Zhu Fu, Rong Sun
Summary: Two-dimensional copper sheets were used as a catalyst and bridge to enhance the electrical and thermal conductivity of graphene films produced through thermal reduction of graphene oxide nanosheets. The addition of copper sheets in the composite films increased the electrical conductivity by 3 times and the thermal conductivity by 64.9%. The copper sheets acted as a catalyst to improve the graphitization degree of reduced graphene oxide, and also facilitated the interconnection of electrical and thermal conduction paths in the composite films due to the excellent electrical and thermal conductivity of copper. The enhanced graphene composite film showed potential applications in heat management for electronics.
DALTON TRANSACTIONS
(2023)
Article
Materials Science, Multidisciplinary
Yixiao Han, Leipeng Li, Chongyang Cai, Pei Li, Tao Li, Xiumei Han, Dengfeng Peng, Yanmin Yang
Summary: Mechanoluminescent materials have the unique capability of converting mechanical actions into usable light sources. This study demonstrates the energy-saving temperature sensing application of Y2O2S:Er3+ material, expanding the potential applications of mechanoluminescent materials.
JOURNAL OF MATERIALS CHEMISTRY C
(2023)
Article
Materials Science, Multidisciplinary
Hao Suo, Yu Wang, Xin Zhang, Weilin Zheng, Yang Guo, Leipeng Li, Panlai Li, Yanmin Yang, Zhijun Wang, Feng Wang
Summary: The rapid development of NIR spectroscopic techniques has led to the discovery of novel luminescent materials as broadband NIR light sources. Conventional phosphors powered by electricity may aggravate the energy demands. In this study, Ga2O3:Cr3+ nanophosphors are reported to emit broadband NIR light under mechanical action through self recoverable mechanoluminescence (ML). The ML intensity and profile can be deliberately tuned through crystal-site engineering. Highly tunable light emission in the range of 650-1,100 nm is achieved by controlling the dopant concentration of In3+ and Yb3+ co-doping. These findings contribute to the library of sustainable NIR light sources and offer new possibilities for advanced sensing and spectroscopy studies.
