Mengcheng Wang, Li Jiang, Ruoxin Mei, Hongbing Shi, Yi Xu, Zhijuan Su, Guifu Ding, Faheng Zang
{"title":"Tunable Gold-on-SiO2 Nanopillar Arrays with Functionalized Nanoporous Layer for Enhanced Fluorescence Immunoassays","authors":"Mengcheng Wang, Li Jiang, Ruoxin Mei, Hongbing Shi, Yi Xu, Zhijuan Su, Guifu Ding, Faheng Zang","doi":"10.1002/adom.202501591","DOIUrl":"https://doi.org/10.1002/adom.202501591","url":null,"abstract":"<p>Porous metal plasmonic resonators demonstrate large on-chip resonance areas and expanded light-absorption bandwidth, which are favorable in sensitive plasmonic-based biosensors. However, the conventional fabrication methods can only provide porous metal resonators less degree-of-freedom in morphology, significantly limiting their optical properties. This work proposes a porous bimetallic nanopillar array biosensing platform, the nanoporous gold pillar (NPGP), enabled by a hybrid porosity-on-nanoarray nanofabrication method. NPGP achieves spectral tunability by setting the main resonance through the morphology of nanopillar-supported transition gold inner core while expanding the resonance spectra through the nanoporous gold outer crust. The capability of NPGP as an on-chip fluorescence sensing platform is demonstrated in the detection of soybean stay-green associated geminivirus (SoSGV). With trace amounts of virus in ground leaf buffer solutions, the porous metal morphology captures the virus with high efficacy. Combined with the high field-strength region of NPGP, a fluorescence enhancement two orders of magnitude higher than that of a gold plane is achieved. This work has provided a new hybrid nanofabrication method and nanoporous plasmonic architecture that can create highly tunable porous optical resonating devices for wide use in biological and chemical molecule detections.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284879","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}
Piotr Wojnar, Maciej Wójcik, Piotr Baranowski, Jacek Kossut, Marta Aleszkiewicz, Jaroslaw Z. Domagala, Róża Dziewiątkowska, Jakub Głuch, Paweł Ciepielewski, Maksymilian Kuna, Zuzanna Kostera, Slawomir Kret, Sergij Chusnutdinow
{"title":"Quantum Size Effect in Optically Active Indium Selenide Crystal Phase Heterostructures Grown by Molecular Beam Epitaxy","authors":"Piotr Wojnar, Maciej Wójcik, Piotr Baranowski, Jacek Kossut, Marta Aleszkiewicz, Jaroslaw Z. Domagala, Róża Dziewiątkowska, Jakub Głuch, Paweł Ciepielewski, Maksymilian Kuna, Zuzanna Kostera, Slawomir Kret, Sergij Chusnutdinow","doi":"10.1002/adom.202500738","DOIUrl":"10.1002/adom.202500738","url":null,"abstract":"<p>Indium selenide attracts the interest due to its outstanding electronic and optical properties, which are potentially prospective in view of applications in electronic and photonic devices. Most of the polymorphic crystal phases of this semiconductor belong to the family of 2D van der Waals semiconductors. In this study, optically active indium selenide crystal phase heterostructures are fabricated by molecular beam epitaxy in a well-controlled manner. It is demonstrated that by changing the growth conditions one may obtain either γ-InSe, or γ-In<sub>2</sub>Se<sub>3</sub>, or β-In<sub>2</sub>Se<sub>3</sub> crystal phases. The most promising crystal phase heterostructures from the point of view of photonic applications is found to be the γ-InSe/γ-In<sub>2</sub>Se<sub>3</sub> heterostructure. An intense optical emission from this heterostructure appears in the near infrared spectral range. The emission energy can be tuned over 250 meV by changing γ-InSe layer thickness, which is explained by the quantum size effect. The optically active indium selenide crystal phase heterostructures represent, therefore, an interesting platform for the design of light sources and detectors in the near infra-red. The use of molecular beam epitaxy for this purpose ensures that the structures are fabricated on large surfaces opening the possibility for the design of device prototypes by using lithography methods.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 26","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145051257","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":"Vertically Coupled Hybrid Metasurfaces for Multimodal and Tunable Plasmonic Sensing","authors":"Tong Cai, Haibin Ni, Tingting Wang, Wenjie Wu, Yajie Wang, Sheng Ye, Toluwalase Adewale Isogun, Ying Shi, Bo Ni, Jianhua Chang","doi":"10.1002/adom.202501531","DOIUrl":"https://doi.org/10.1002/adom.202501531","url":null,"abstract":"<p>A hybrid plasmonic metasurface is presented, consisting of vertically coupled silver nanodisc (AgND) arrays and aligned gold nanowire (AuNW) substrates, offering multifunctional and tunable optical sensing capabilities. The metasurface is fabricated through a microsphere-assisted deposition and etching strategy, yielding highly ordered nanostructures with strong vertical field confinement. Simulated and experimental reflectance spectra confirm that the hybrid architecture supports multiple localized surface plasmon resonance (LSPR) modes—absent in the individual components—originating from enhanced near-field coupling between the AgNDs and AuNWs. A comprehensive analysis reveals that geometric parameters such as nanodisc radius and nanowire height significantly affect the spectral response and field distribution. The sensor achieves a maximum refractive index (RI) sensitivity of 611.47 nm/RIU and a humidity sensitivity of 0.858 nm/%RH when coated with a polyvinyl alcohol (PVA) layer. Furthermore, dynamic spectral tuning is realized by selectively etching the alumina template to modulate the effective refractive index of the supporting substrate. Integration onto an optical fiber tip demonstrates the device's suitability for compact, remote, and layered sensing platforms. This study introduces a versatile and scalable strategy for designing high-performance plasmonic sensors applicable to environmental monitoring and biochemical detection.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284878","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":"Inverse Design of Dual-Band Valley-Hall Topological Photonic Crystals With Arbitrary Pseudospin States","authors":"Yuki Sato, Shrinathan Esaki Muthu Pandara Kone, Junpei Oba, Kenichi Yatsugi","doi":"10.1002/adom.202500994","DOIUrl":"10.1002/adom.202500994","url":null,"abstract":"<p>Valley photonic crystals (VPCs) offer topological kink states that ensure robust, unidirectional, and backscattering-immune light propagation. The design of VPCs is typically based on analogies with condensed-matter topological insulators that exhibit the quantum valley Hall effect; trial-and-error approaches are often used to tailor the photonic band structures and their topological properties, which are characterized by the local Berry curvatures. In this paper, an inverse design framework based on frequency-domain analysis is presented for VPCs with arbitrary pseudospin states. Specifically, the transverse spin angular momentum (TSAM) at the band edge is utilized to formulate the objective function for engineering the desired topological properties. Numerical experiments demonstrate that the proposed design approach can successfully produce photonic crystal waveguides exhibiting dual-band operation, enabling frequency-dependent light routing. The pseudospin-engineering method thus provides a cost-effective alternative for designing topological photonic waveguides, offering novel functionalities.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 27","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145110947","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":"Scalable Synthesis of Cs2NaYCl6:Tb3+ Scintillators Toward Cutting-Edge X-Ray Radiography","authors":"Binqi Chen, Yimei Zhang, Geng Chen, Qin Xiao, Hong Liao, Dongxin Guo, Kezhi Zheng","doi":"10.1002/adom.202501725","DOIUrl":"https://doi.org/10.1002/adom.202501725","url":null,"abstract":"<p>Scintillators that convert high-energy X-ray photons into visible light are indispensable for a broad range of imaging applications. However, the development of high-performance scintillators combining high light yield, excellent stability, and scalable processability remains a significant challenge. Here, a simple, low-temperature, and scalable “dissolution-drying” strategy is presented for the synthesis of lead-free Cs<sub>2</sub>NaYCl<sub>6</sub>:Tb<sup>3+</sup> double perovskite scintillators with outstanding performance. Taking advantage of the highly symmetric elpasolite structure and the efficient incorporation of Tb<sup>3+</sup>ions, the resulting microcrystals achieve a high light yield (≈62 359 photons MeV<sup>−1</sup>), exceptional radiation resistance, an ultralow detection limit (15.19 nGy s<sup>−1</sup>), and remarkable thermal stability up to 773 K. By incorporating the microcrystals into a polydimethylsiloxane (PDMS) matrix, flexible scintillator films are fabricated, demonstrating superior mechanical durability and high-resolution X-ray imaging capability (>24 lp mm<sup>−1</sup>). These findings enable large-scale scintillator production and advance next-generation X-ray radiography, offering high sensitivity, stability, flexibility, and versatility for advanced radiographic systems and future optoelectronic applications.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284578","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":"Chemical Strategies for Modifying Carbonyl/Nitrogen-Based MR-TADF Materials toward Narrowband Emission","authors":"Zhipeng Guo, Xiaopeng Zhang, Aowei Zhou, Valentina Utochnikova, Yanan Zhu, Hong Meng","doi":"10.1002/adom.202501289","DOIUrl":"https://doi.org/10.1002/adom.202501289","url":null,"abstract":"<p>The past decade has witnessed remarkable progress in multi-resonance thermally activated delayed fluorescence (MR-TADF) emitters based on nitrogen/carbonyl (N/C═O) frameworks, the quinolino[3,2,1-de]acridine-5,9-dione (QAO) derivatives, with a focus on achieving narrowband emission for high-performance OLED applications such as ultra-HD displays. This review categorizes and analyzes structural modifications across four key molecular architectures—pristine QAOs, phenyl-substituted QAOs, cyclized QAOs, and polynuclear QAOs—revealing their distinct impacts on full width at half maximum (FWHM), reorganization energy (λ), and excited-state dynamics. Notably, structural strategies such as R<sub>1</sub> substitution, R<sub>4</sub>-R<sub>5</sub> cyclization, and steric shielding with bulky groups like tert-butyl lead to enh anced molecular rigidity, suppressed vibrational relaxation, and record-narrow emissions (FWHM ≤ 13 nm). Furthermore, donor-acceptor tuning across the series enables precise the highest occupied molecular orbital (HOMO) – the lowest unoccupied molecular orbital (LUMO) separation, balancing short-range charge transfer with emission color control. Emission statistics, fluorescence lifetime analysis, and device performance metrics are presented, consolidating structure-property relationships across >100 reported derivatives. This review provides design principles grounded in both theoretical insight and empirical evidence, offering a roadmap for the development of next-generation MR-TADF materials with high color purity, stability, and efficiency. These findings highlight the N/C = O MR core as a versatile and promising scaffold for advanced display technologies.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 28","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145196888","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}
Hongjun Li, Yujie Cai, Qianghui Dong, Lin Zhang, Enlai Hu, Hai Guo, Guodong Qian
{"title":"Tailorable Photonic Blocks within Well-Defined Framework for Architecting MOFs Scintillators","authors":"Hongjun Li, Yujie Cai, Qianghui Dong, Lin Zhang, Enlai Hu, Hai Guo, Guodong Qian","doi":"10.1002/adom.202501708","DOIUrl":"https://doi.org/10.1002/adom.202501708","url":null,"abstract":"<p>Scintillators have attracted widespread attention due to their remarkable ability to convert high-energy X-ray photons into ultraviolet/visible light. However, inherent limitations such as compositional rigidity and unpredictable reaction dynamics hinder the precise structural engineering and optimization of luminescent performance. Metal–organic frameworks (MOFs) provide a promising platform to address these challenges due to their highly tunable structure and customizable modularity. Herein, a modular engineering strategy is proposed and develop a programmable assembly platform based on a series of Ln-MOFs with identical topology structures. Through rational energy level engineering, the obtained Ln-MOFs scintillators exhibit intense X-ray excited luminescence, high relative light yield, perfect linear response to X-ray dose rate, and excellent stability. The fabricated MOF-based scintillating membranes demonstrate promising potential in flexible X-ray imaging with high spatial resolution. Some fundamental design principles are elucidated through investigating systematic correlation of scintillating performance with energy levels, luminescent efficiency, and self-absorption effects. This modular engineering strategy yields a structural model for developing advanced inorganic-organic hybrid scintillators with tailored optoelectronic properties.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284650","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}
Emma V. Puttock, Janine Haug, Eli Zysman-Colman, Stefan Bräse
{"title":"Hyperphosphorescent OLEDs: Harnessing the Power of MR-TADF Terminal Emitters (Advanced Optical Materials 23/2025)","authors":"Emma V. Puttock, Janine Haug, Eli Zysman-Colman, Stefan Bräse","doi":"10.1002/adom.70129","DOIUrl":"10.1002/adom.70129","url":null,"abstract":"<p><b>Hyperphosphorescence</b></p><p>The review https://doi.org/10.1002/adom.202500514 by Emma V. Puttock and co-workers highlights current progress in hyperphosphorescent OLEDs (HP-OLEDs) using multi-resonance thermally activated delayed fluorescence (MR-TADF) emitters. HP-OLEDs combine efficient, narrowband electroluminescence with moderate efficiency roll-off. The cover image shows Förster resonance energy transfer–a key energy transfer mechanism in HP-OLEDs–from a phosphorescent sensitiser (donor) to an MR-TADF emitter (acceptor).\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 23","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://advanced.onlinelibrary.wiley.com/doi/epdf/10.1002/adom.70129","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144843464","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}
{"title":"Approaching National Television System Committee Blue Gamut Through Asymmetric Modification of MR-TADF Material\t(Advanced Optical Materials 23/2025)","authors":"Junki Ochi, Yuki Yamasaki, Susumu Oda, Masakazu Kondo, Atsuhiro Ikeno, Yasuhiro Kondo, Takuji Hatakeyama","doi":"10.1002/adom.70128","DOIUrl":"10.1002/adom.70128","url":null,"abstract":"<p><b>Deep-Blue MR-TADF Emitter</b></p><p>An ultrapure deep-blue multi-resonance-induced thermally activated delayed fluorescence (MR-TADF) material is reported. The emission color is precisely tuned by controlling the position of oxygen atoms through an asymmetric molecular design strategy. As a result, the developed organic light-emitting diode achieves pure-blue electroluminescence (458 nm) and suppressed efficiency roll-off (EQE<sub>max</sub> = 21.7% / EQE<sub>1000</sub> = 20.8%). More details can be found in research article https://doi.org/10.1002/adom.202402939 by Takuji Hatakeyama and co-workers.\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 23","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://advanced.onlinelibrary.wiley.com/doi/epdf/10.1002/adom.70128","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144843512","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}
{"title":"Hybrid Polyacrylamide-ZnO Electron Transport Layers; Enhancing Exciton Recombination and Charge Injection for High-Efficiency QLEDs","authors":"Jae-Hyeon Ahn, Sinyoung Cho, Dong Hyun Choi, Weon-Sik Chae, Myungkwan Song, Keum-Jin Ko, Jong-Soo Lee","doi":"10.1002/adom.202500669","DOIUrl":"https://doi.org/10.1002/adom.202500669","url":null,"abstract":"<p>ZnO nanoparticles (ZnO NPs) are widely utilized as electron transport layers (ETLs) in quantum dot light-emitting diodes (QLEDs) due to their high electron mobility, wide bandgap, excellent transparency, and effective hole blocking properties. However, exciton quenching at the interface between quantum dots (QDs) and ZnO NPs and unfavorable band alignment hinder the performance of QLED devices. In this study, a straightforward and versatile approach is introduced to fabricate high-performance QLED by incorporating Polyacrylamide (polyNIPAM) with ZnO NPs. The resulting QD and hybrid-ZnO NPs films achieved a photoluminescence quantum yield (PLQY) of 57.8% and a recombination rate of 80.07%. Compared to conventional ZnO-based QLEDs, the hybrid approach led to a significant improvement in external quantum efficiency (22.34%), maximum brightness (97 593 cd m<sup>−2</sup>), and a narrow full-width at half maximum (FWHM) of 22.3 nm. The hybrid ZnO NPs exhibited favorable energy levels for electron injection, promoting exciton recombination while minimizing charge diffusion losses at the QD/ZnO NP interfaces. These findings highlight the potential of polyNIPAM-functionalized ZnO NPs for scalable, high-performance QLED fabrication. Future work will focus on optimizing hybrid material composition to further suppress electron leakage and enhance charge transport 1in large-area devices.</p>","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 28","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145196703","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}