{"title":"Sulfonic Acid Ligands Promote Surface Reconstruction of Perovskite Quantum Dots for High-Performance Light-Emitting Diodes","authors":"Jiaxiang Wang, Zunxian Yang, Ye Chen, Hui Zhang, Yue Chen, Yuting Bai, Xudong Jiang, Benfang Liu, Jiajie Hong, Zhezhou Fang, Jinzhu Gao, Zheyu Zhou, Runsen Yu, Xuanyao Song, Zhiyu Yuan, Tailiang Guo, Fushan Li, Yongyi Chen, Zhenzhen Weng","doi":"10.1002/adom.202402764","DOIUrl":"https://doi.org/10.1002/adom.202402764","url":null,"abstract":"<p>Perovskite quantum dots (PQDs) have emerged as promising candidates for next-generation high-quality lighting and high-definition displays due to their outstanding luminescence properties, characterized by a narrow emission spectrum and tunable color. However, during the purification process involving polar solvents, ligand detachment from the quantum dot surface often induces crystal defects, thereby compromising their long-term stability. Herein, the effects of various post-processing strategies on PQD performance are systematically explored, including the use of oleic acid (OA), didodecyldimethylammonium bromide (DDAB), and their combinations, alongside OA-assisted synthesis. Furthermore, a synergistic post-processing strategy based on DDAB-NaMeS (sodium methanesulfonate) is proposed to elucidate the mechanism of ligand reconstruction on the quantum dot surface during purification. The resulting PQDs demonstrated excellent stability over a storage period exceeding one month, and the corresponding Quantum Dots Light-Emitting Diodes (QLEDs) achieved a peak external quantum efficiency (EQE) of 9.82%, representing a 1.91-fold improvement over standard devices. These QLEDs exhibited exceptional optoelectronic performance, underscoring their potential for application in other sulfonic acid ligands and perovskite-based materials.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 8","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143622433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chaoyu Wang, Lixin Duan, Qiongjie Chai, Yanzhe Ma, Dongjin Qian, Tao Tu
{"title":"Beating the Odds with Binuclear N-Heterocyclic Carbene Metallacycles: A Practical and Efficient Full-Color Tunable Fluorescence System\t(Advanced Optical Materials 3/2025)","authors":"Chaoyu Wang, Lixin Duan, Qiongjie Chai, Yanzhe Ma, Dongjin Qian, Tao Tu","doi":"10.1002/adom.202570047","DOIUrl":"https://doi.org/10.1002/adom.202570047","url":null,"abstract":"<p><b>N-Heterocyclic Carbene Metallacycles</b></p><p>In article 2401793, Dongjin Qian, Tao Tu, and co-workers achieve tunable full-color fluorescence, featuring white light, based on constrained binuclear N-heterocyclic metallacycles and sulforhodamine B. The co-existence of covalent and coordination bonds within the metallacycles significantly enhance quantum yields and enabling them as versatile, multicolored functional materials.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 3","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adom.202570047","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143118563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yan Rong, Lingrui Wang, Yongheng Wang, Wenxin Wang, Jiaxiang Wang, Yifang Yuan, Urooj Shahzadi, Junnian Chen, Lei Zhang, Kai Wang, Haizhong Guo
{"title":"Pressure-Induced Unusual Transition of Luminescence Mechanics from Self-Trapped Exciton to Free Exciton Emission in Lead Bromide Perovskitoids (Advanced Optical Materials 3/2025)","authors":"Yan Rong, Lingrui Wang, Yongheng Wang, Wenxin Wang, Jiaxiang Wang, Yifang Yuan, Urooj Shahzadi, Junnian Chen, Lei Zhang, Kai Wang, Haizhong Guo","doi":"10.1002/adom.202570048","DOIUrl":"https://doi.org/10.1002/adom.202570048","url":null,"abstract":"<p><b>Pressure-Induced Unusual Transition of Luminescence Mechanics</b></p><p>In article number 2402086, Lingrui Wang, Junnian Chen, Lei Zhang, Haizhong Guo, and co-workers report that (C<sub>6</sub>H<sub>10</sub>N<sub>2</sub>)PbBr<sub>4</sub> and (C<sub>6</sub>H<sub>10</sub>N<sub>2</sub>)PbCl<sub>4</sub> exhibit excitation-dependent emission enhancement under excitation at 303 nm and 355 nm, highlighting a piezochromic luminescence property. This phenomenon is attributed to lattice compression, which reduces the electron-phonon coupling strength. This work not only offers effective methods to modulate the optical properties of hybrid perovskites but also opens avenues for further exploration of their novel photophysical properties.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 3","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adom.202570048","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143118564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tao Huang, Tongzhou Li, WenChao Lin, Jinyu Lei, Weijian Li, Quan Niu, Bingsuo Zou
{"title":"Efficient Multicolor Emission Zn-Sb-Mn Chloride Scintillators: Large-Scale Production for Multi-Level Anti-Counterfeiting, Information Storage, and X-Ray Imaging","authors":"Tao Huang, Tongzhou Li, WenChao Lin, Jinyu Lei, Weijian Li, Quan Niu, Bingsuo Zou","doi":"10.1002/adom.202402890","DOIUrl":"https://doi.org/10.1002/adom.202402890","url":null,"abstract":"<p>Achieving multiple efficient emissions from a single scintillator material is challenging. This work presents several Zn or Cd-based halide materials with tetrahedral clusters, which show high-efficiency, multicolor emission scintillating by co-doping Sb<sup>3</sup>⁺ and Mn<sup>2</sup>⁺. In this 0D structure, Mn<sup>2</sup>⁺ and Sb<sup>3</sup>⁺ can function as independent emission centers, producing efficient green or red emission bands, respectively, all with photoluminescent quantum yields (PLQYs) exceeding 70% for green, yellow, and red emissions. Notably, Ph<sub>3</sub>M-Zn:Sb<sup>3+</sup>@Mn<sup>2</sup>⁺ out of the above compounds exhibits PLQY values exceeding 90% for all three color emissions. Furthermore, it demonstrates exceptional scintillation performance under X-ray illumination, achieving a resolution of 18 lp mm<sup>−1</sup> and a detection limit of 50.1 nGy<sub>air</sub>S⁻¹, surpassing most commercial scintillators. Additionally, the cross- and independent-emission colors produced by these compounds under varying excitations have been utilized to develop novel optical anti-counterfeiting and information storage applications with high security. These advances demonstrate that co-doping with Sb<sup>3</sup>⁺ and Mn<sup>2</sup>⁺ significantly can optimize the optical performance of the host halide materials, for multifunctional scintillators in a variety of technological applications.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 9","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143689607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Tuning the Electroluminescence of Binuclear Copper(I) Emitters Into the NIR-I Region","authors":"Abdelaziz Jouaiti, Lavinia Ballerini, Wei-Min Zhang, Federico Polo, Christophe Gourlaouen, Hai-Ching Su, Matteo Mauro","doi":"10.1002/adom.202402666","DOIUrl":"https://doi.org/10.1002/adom.202402666","url":null,"abstract":"<p>Optoelectronic devices that emit into the near infrared (NIR) region are appealing technologies with applications in optical communication and as disposable, lightweight and cheaper photodynamic biomedical devices. The development of efficient devices is currently hampered by the lack of suitable NIR-emissive materials. Achieving this goal is even more challenging when the use of non-toxic, earth-abundant metal complexes as electroactive materials is targeted. Herein, an enlarge family of binuclear Cu(I) emitters (<b>D1</b>–<b>D4</b>) bearing the bridging thiazolo[5,4-<i>d</i>]thiazole scaffold is described along with their mononuclear counterparts (<b>M3</b>–<b>M4</b>), which are synthetized and characterized comprehensively by a combination of chemical, spectroscopical, electrochemical and computational techniques. By means of an efficient dinuclearisation strategy in combination with the selective tuning of the π-accepting feature of the lateral N-heterocyclic rings enabled modulation of photo- and electro-luminescence spectra into the NIR-I region. Light-emitting electrochemical cells (LECs) fabricated by employing the binuclear copper complexes displayed electroluminescence into the deep-red to NIR-I region. Remarkably, derivative <b>D2</b> shows the combination of λ<sub>EL,max</sub> up to 782 with a spectral profile squarely falling into the NIR region, excellent carrier balance and good EL performances among all types of emissive materials used for NIR LECs.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 8","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143622590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jason M. Delente, Oxana Kotova, Niamh Willis-Fox, John E. O'Brien, Brendan Twamley, Ronan Daly, Thorfinnur Gunnlaugsson
{"title":"Self-Assembly of a Tripodal Terpyridine Based Ligand with Luminescent Lanthanide Ions in Solution and Soft Material","authors":"Jason M. Delente, Oxana Kotova, Niamh Willis-Fox, John E. O'Brien, Brendan Twamley, Ronan Daly, Thorfinnur Gunnlaugsson","doi":"10.1002/adom.202402714","DOIUrl":"https://doi.org/10.1002/adom.202402714","url":null,"abstract":"<p>The tripodal 1,3,5-benzene tricarboxamide (BTA) ligand functionalized with terpyridine (<b>1</b>) is used to self-assemble with Ln(III) ions (Ln = La, Sm, Eu, Gd, Tb, Yb, and Lu) in solution and within soft material (supramolecular metallogels). Stability constants for 1:1 and 3:2 (<b>M:L</b>) assemblies formed in MeOH are determined using nonlinear regression analysis of UV–vis absorption and emission titrations revealing a parabolic relationship between the binding constants values and the ionic radii of Ln(III) ions. The formation of gels using ligand <b>1</b> in MeOH-H<sub>2</sub>O at 0.6 wt.% and their modification, by diffusing the Ln(III) ions through them is described. The latter leads to both crosslinking of already self-assembled ligands, as well as modulating their physical properties as demonstrated by photophysical, rheological, and morphological studies leading to significant changes in the in situ morphology.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 8","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adom.202402714","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143622499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zied Ferjaoui, Celina Matuszewska, Jianhua Liu, Yohann Corvis, Corinne Chanéac, Bruno Viana, Ferdaous Ben Romdhane, Daniel Scherman, Nathalie Mignet, Cyrille Richard
{"title":"Highly Sensitive Detection of Glucose in the Presence of Serum Based on Signal Amplification of Persistent Luminescence Nanoparticles Functionalized by Glucose Oxidase","authors":"Zied Ferjaoui, Celina Matuszewska, Jianhua Liu, Yohann Corvis, Corinne Chanéac, Bruno Viana, Ferdaous Ben Romdhane, Daniel Scherman, Nathalie Mignet, Cyrille Richard","doi":"10.1002/adom.202402373","DOIUrl":"https://doi.org/10.1002/adom.202402373","url":null,"abstract":"<p>A new method is presented for the in vitro detection of glucose using glucose oxidase (GOx) covalently linked to persistent luminescent nanoparticles (PLNPs). This method ensures both sensitive and specific glucose detection by exploiting the enhanced luminescence of PLNPs in the presence of H<sub>2</sub>O<sub>2</sub>, generated by an enzymatic reaction. To this end, three different PLNPs composed of ZnGa<sub>2</sub>O<sub>4</sub>:Cr<sup>3+</sup> (ZGO) nanoparticles are prepared by hydrothermal synthesis at 120 °C for 6 h (ZGO1), 12 h (ZGO2), and 24 h (ZGO3), followed by a calcination at 500 °C, resulting in nanoparticles with an average hydrodynamic diameter of 100 nm ± 5 nm after grinding and centrifugation. These nanoparticles are efficiently covalently functionalized with GOx, via a PEG linker. Following the production of H<sub>2</sub>O<sub>2</sub> by the enzymatic reaction between GOx bound to the ZGO surface and glucose present in 100-fold diluted serum, a significant increase in the persistent luminescent signal is observed. This phenomenon is most pronounced for ZGO2, for which a detection limit of 0.01 µ<span>m</span> and a detection range from 0.05 to 1 µ<span>m</span> is obtained. These results demonstrate the innovative potential of this new technique in glucose monitoring, opening up new avenues for real-time monitoring and effective management of diabetes.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 4","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adom.202402373","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143116145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Meng Wang, Hui Yang, Xiaosong Li, Xia Zhang, Huai Yang
{"title":"Self-Assembled 3D Blue Phase Liquid Crystals for Intelligent Photonic Crystals and Functional Devices","authors":"Meng Wang, Hui Yang, Xiaosong Li, Xia Zhang, Huai Yang","doi":"10.1002/adom.202402581","DOIUrl":"https://doi.org/10.1002/adom.202402581","url":null,"abstract":"<p>Liquid crystal (LC) materials, with their supramolecular self-assembly nanostructures and stimulus-responsive properties, offer inherent advantages in the development of advanced intelligent functional materials. Among various LC phase, blue phase liquid crystals (BPs) are regarded as promising candidates for intelligent photonic crystals due to their unique 3D periodic nanostructures and the capability to selectively reflect circularly polarized light within the visible spectrum. Over the past decades, various methodologies are developed to synthesize BP materials with superior thermal stability, high-quality optical properties and excellent stimulus-responsibility, yielding significant research outcomes in the design and application of visual functional devices. Herein, this review summarizes the recent advancements in BPLCs. It comprehensively covers the structural characteristics and preparation methods of BP photonic crystals, detailing significant research findings in their optical, electrical, mechanical, and humidity-responsive properties, as well as their pivotal applications in sensors, optical devices, stimulus response, and anti-counterfeiting devices. Finally, the challenges and prospective development directions of this novel soft matter intelligent material are discussed. It is anticipated that this review will provide valuable insights for scientists and engineers in interdisciplinary fields, including materials science, photonics, chemistry, and physics, facilitating the fabrication of advanced functional soft materials.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 6","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143475675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Paradigm Enhancement of White-Light Responsive NIR-II Photoluminescence via Toroidal Energy Migration","authors":"Haikuo Liu, Mengmeng Dai, Kejie Li, Hanyu Xu, Yanling Wei, Zuoling Fu","doi":"10.1002/adom.202402398","DOIUrl":"https://doi.org/10.1002/adom.202402398","url":null,"abstract":"<p>Near-infrared II (NIR-II, 1000–1700 nm) lanthanide-doped fluorescent probes provide a powerful new tool for existing clinical biomedical sensing and imaging. However, it is impeded in practical applications by its specific high-energy laser source. Herein, a white-light responsive Ce<sup>3+</sup>-mediated toroidal energy migration downshifting topological core–shell structure NIR-IIb (1500–1700 nm) fluorescent probe is reported. It is found that Ce<sup>3+</sup> doping enhances the NIR downshifting luminescence of the Ho<sup>3+</sup> and Nd<sup>3+</sup>, thereby increasing the energy-transferred Yb<sup>3+</sup> luminescence. The NaCeF<sub>4</sub> core is able to further facilitate the crossrelaxation between the intermediate-shell layer of Er<sup>3+</sup> and Ce<sup>3+</sup> through the outward-to-inward core–shell topology, enhancing the 1527 nm luminescence to form the toroidal energy migration paradigm. Additionally, the luminescence of Er<sup>3</sup>⁺ exhibits strong temperature dependence, enabling superior temperature sensing under multiple light sources. Under low-power white light source, the relative sensitivity (<i>S</i><sub>r</sub>) can reach up to 0.57% K<sup>−1</sup>, with a minimum temperature uncertainty (<i>δT</i>) of 0.2 K. Moreover, portable light conversion using highly efficient white-light responsive emission in NIR-II region enables noninjectable intravenous imaging and food inspection. This toroidal energy migration strategy provides a new direction for lanthanide energy harvesting and multisource NIR applications.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 5","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143396858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Subhajit Bej, Nikolai Tkachenko, Robert Fickler, Tapio Niemi
{"title":"Ultrafast Modulation of Guided-Mode Resonance in a Nonlinear Silicon Nitride Grating","authors":"Subhajit Bej, Nikolai Tkachenko, Robert Fickler, Tapio Niemi","doi":"10.1002/adom.202402632","DOIUrl":"https://doi.org/10.1002/adom.202402632","url":null,"abstract":"<p>Nonlinear optical interactions in nanostructures are crucial for both fundamental research and practical applications. The optical Kerr effect, a third-order nonlinear phenomenon, causes anisotropic changes in the refractive index of materials under intense laser illumination. However, this effect is intrinsically weak, limiting its utility in free-space nanophotonics. This work demonstrates an enhancement of the optical Kerr effect by over three orders of magnitude through guided-mode resonance in a dielectric diffraction grating with a thickness of less than 300 nm. The study includes the design, fabrication, and transmittance measurements of a resonant silicon nitride crossed grating, illuminated with short light pulses. Spectral resonance shifts with increasing pulse power are observed, resulting in over 50% modulation of the resonance magnitude and enabling dynamic transitions between “Off ” and “On” transmission states of the grating. Additionally, the potential of the grating for dynamic pulse shaping is demonstrated. These findings offer promising avenues for developing advanced all-optical devices in free-space nanophotonics.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 7","pages":""},"PeriodicalIF":8.0,"publicationDate":"2025-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adom.202402632","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143555110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}