Advanced Optical Materials最新文献_第5页

Inkjet-Printed PbS QD-Graphene Infrared Photodetector with Enhanced Responsivity 具有增强响应性的喷墨印刷PbS qd -石墨烯红外探测器

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-28 DOI: 10.1002/adom.202500804

Yixin Jiang, Tieying Ma, Xiaowei Gu, Tian Jia, Yuanze Hong, Yilong Huang, Xuechao Yu

{"title":"Inkjet-Printed PbS QD-Graphene Infrared Photodetector with Enhanced Responsivity","authors":"Yixin Jiang, Tieying Ma, Xiaowei Gu, Tian Jia, Yuanze Hong, Yilong Huang, Xuechao Yu","doi":"10.1002/adom.202500804","DOIUrl":"https://doi.org/10.1002/adom.202500804","url":null,"abstract":"Infrared photodetectors are crucial for detection, identification, and analysis, making them of paramount importance in both military and civilian applications. Graphene-based photodetectors integrated with colloidal quantum dots (CQDs) show great promise in the infrared spectrum, however, challenges remain in optimizing their performance and scalability. In this work, we present an innovative approach for fabricating high-performance infrared photodetector arrays by inkjet printing of colloidal lead sulfide (PbS) QDs onto graphene-based field-effect transistors (FETs) arrays. The incorporation of inorganic ligands Na3AsS4 significantly enhances the photodetector's responsivity up to 1276 A W−1, which is nine times the responsivity of traditional ligand-functionalized devices. Additionally, the response time of the inorganic ligand device is 19 ms, two orders of magnitude faster than that of the EDT-functionalized device, due to the short-chain inorganic ligands significantly enhancing the charge transfer efficiency of the device. Furthermore, the inkjet printing technology is employed to enable precise deposition, thereby promoting the scalable fabrication of compact and high-resolution photodetector arrays. These findings highlight the potential of inkjet-printed QD–graphene photodetector arrays in infrared imaging and sensing applications, paving the way for large-scale fabrication of high-performance optoelectronic devices.","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284750","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}

引用次数: 0

Inducing Chiroptical Properties in Achiral DPP-Based Conjugated Polymers through Intermolecular Interactions and Co-Crystallization with Chiral Small Molecules 通过分子间相互作用和手性小分子共结晶诱导非手性dpp基共轭聚合物的手性

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-28 DOI: 10.1002/adom.202501636

Jeongwoo Beak, Yina Moon, Dongseong Yang, Nara Han, Minwoo Lee, Geon Chang Song, Dong-Yu Kim

{"title":"Inducing Chiroptical Properties in Achiral DPP-Based Conjugated Polymers through Intermolecular Interactions and Co-Crystallization with Chiral Small Molecules","authors":"Jeongwoo Beak, Yina Moon, Dongseong Yang, Nara Han, Minwoo Lee, Geon Chang Song, Dong-Yu Kim","doi":"10.1002/adom.202501636","DOIUrl":"https://doi.org/10.1002/adom.202501636","url":null,"abstract":"Chiral optoelectronic materials capable of interacting with circularly polarized (CP) light have emerged as promising candidates for next-generation technologies. This study presents a facile strategy for the preparation of chiroptical films by blending an achiral conjugated polymer, PDVT-10, containing diketopyrrolopyrrole (DPP) moieties with chiral small molecules, 1,1′-binaphthyl-2,2′-diamine (BN). Chirality induction in conjugated polymer systems is driven comprehensively from intermolecular hydrogen bonding to co-crystallization with aggregation, as revealed by a stepwise approach of optical and X-ray scattering analyses depending on the ratio. By optimizing the blending ratio of PDVT-10 and BN to 7:3, near-infrared (NIR)-circularly polarized light-sensitive phototransistors are successfully fabricated on 850 nm, which exhibit distinct CP light discrimination and photodetection performance. These findings provide insights into the mechanism of inducing chirality to achiral conjugated polymers, enhancing chiroptical properties, and providing applications in CP photosensitive optoelectronics.","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284752","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}

引用次数: 0

Semiconductor Bandgap Measurements: Overview of Optical, Electrical, and Device-Level Techniques 半导体带隙测量：光学、电学和器件级技术概述

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-28 DOI: 10.1002/adom.202501747

Sanjay Sahare, Mykhailo M. Solovan, Andrii I. Mostovyi, Hryhorii P. Parkhomenko, Nora Schopp, Marcin Ziółek, Viktor V. Brus

{"title":"Semiconductor Bandgap Measurements: Overview of Optical, Electrical, and Device-Level Techniques","authors":"Sanjay Sahare, Mykhailo M. Solovan, Andrii I. Mostovyi, Hryhorii P. Parkhomenko, Nora Schopp, Marcin Ziółek, Viktor V. Brus","doi":"10.1002/adom.202501747","DOIUrl":"https://doi.org/10.1002/adom.202501747","url":null,"abstract":"Semiconductor materials are the foundation of modern electronic and optoelectronic devices. Among their key characteristics, the bandgap holds particular significance, as its precise determination is essential for optimizing the performance of devices such as solar cells, light emitting diods (LEDs), and transistors, as well as for enabling next-generation innovations. This review presents a comprehensive analysis of methodologies for determining the bandgap in semiconductor materials and devices. Optical techniques, including UV–visible spectroscopy and photoluminescence spectroscopy, are highlighted for their ability to extract bandgap information through spectral features like the self-absorption edge. Additionally, electrical measurement techniques are explored for their insights into the relationship between bandgap and device performance. By integrating diverse methods into a cohesive framework, this review serves as a valuable resource for researchers and engineers, offering clear guidance on selecting and applying bandgap determination techniques. It aims to streamline the understanding of these methodologies, fostering clarity, innovation, and precision in semiconductor research and development.","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284753","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}

引用次数: 0

Optimizing Carrier Balance in CsPbBr3 Nanocrystal LEDs: The Role of Alkyl Ligands and Polar Electron Transport Layers 优化CsPbBr3纳米晶led的载流子平衡：烷基配体和极性电子传输层的作用

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-26 DOI: 10.1002/adom.202501361

Roshini Jayabalan, Girish K. Hanumantharaju, Theresa Hettiger, Arup Sarkar, Fengshuo Zu, Aladin Ullrich, Anna Abfalterer, Alexander S. Urban, Norbert Koch, Denis Andrienko, Marcus Scheele, Wolfgang Brütting

{"title":"Optimizing Carrier Balance in CsPbBr3 Nanocrystal LEDs: The Role of Alkyl Ligands and Polar Electron Transport Layers","authors":"Roshini Jayabalan, Girish K. Hanumantharaju, Theresa Hettiger, Arup Sarkar, Fengshuo Zu, Aladin Ullrich, Anna Abfalterer, Alexander S. Urban, Norbert Koch, Denis Andrienko, Marcus Scheele, Wolfgang Brütting","doi":"10.1002/adom.202501361","DOIUrl":"https://doi.org/10.1002/adom.202501361","url":null,"abstract":"The study of lead halide perovskite nanocrystal based light-emitting diodes (LEDs) has advanced significantly, with notable improvements in stability and optical properties. However, optimizing charge carrier injection and transport remains a challenge. Efficient electroluminescence requires a balanced transport of both holes and electrons within the emitting material. Here, cubic CsPbBr3 nanocrystals passivated with oleylamine and oleic acid are investigated, comparing them to ligand-exchanged nanocrystals with didodecyldimethylammonium bromide (DDABr). Nuclear magnetic resonance spectroscopy and transmission electron microscopy confirm successful ligand exchange, revealing reduced ligand coverage in DDABr-treated nanocrystals. Photoelectron spectroscopy, spectroelectrochemistry, and single-carrier devices indicate improved hole injection in DDABr-capped nanocrystals. Density functional theory calculations further reveal the influence of ligand type and coverage on energy levels, with oleic acid introducing localized states in native nanocrystals. Additionally, incorporation of a polar electron transport layer enhances LED performance by over an order of magnitude in DDABr-capped nanocrystals, driven by improved charge balance arising from the spontaneous orientation polarization of the electron transport layer. These findings highlight the critical role of ligand selection, passivation degree, and charge transport control by the adjacent organic transport layers in optimizing LED efficiency.","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 28","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://advanced.onlinelibrary.wiley.com/doi/epdf/10.1002/adom.202501361","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145197109","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}

引用次数: 0

Magnetic Steganography Based on Wide-Field Diamond Quantum Microscopy (Advanced Optical Materials 24/2025) 基于宽视场金刚石量子显微镜的磁隐写技术（Advanced Optical Materials 24/2025）

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-26 DOI: 10.1002/adom.70178

Jungbae Yoon, Jugyeong Chung, Hyunjun Jang, Jinsu Jung, Yuhan Lee, Chulki Kim, Nojoon Myoung, Donghun Lee

引用次数: 0

Defect-Engineered Dual-Mode Photochromism for Reversible Luminescence Modulation and Multifunctional Optical Applications 用于可逆发光调制和多功能光学应用的缺陷工程双模光致变色

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-26 DOI: 10.1002/adom.202501874

Yueteng Zhang, Jiayan Liao, Xue Bai, Heping Zhao, Yingzhu Zi, Zan Xu, Xinhao Cai, Jianbei Qiu, Zhiguo Song, Anjun Huang, Zhengwen Yang

{"title":"Defect-Engineered Dual-Mode Photochromism for Reversible Luminescence Modulation and Multifunctional Optical Applications","authors":"Yueteng Zhang, Jiayan Liao, Xue Bai, Heping Zhao, Yingzhu Zi, Zan Xu, Xinhao Cai, Jianbei Qiu, Zhiguo Song, Anjun Huang, Zhengwen Yang","doi":"10.1002/adom.202501874","DOIUrl":"https://doi.org/10.1002/adom.202501874","url":null,"abstract":"Despite significant advances in photochromic luminescent phosphors, selective and reversible luminescence modulation through dual X-ray and ultraviolet (UV) stimuli remains largely unexplored. Here, a defect-engineered LiNbO3: Bi, Sm phosphor synthesized via high-temperature solid-state reaction is reported, exhibiting four synergistic optical functionalities: UV-induced photochromism, X-ray-induced photochromism, photoluminescence, and radioluminescence. For clarity, X-ray-induced photochromism/radioluminescence and UV-induced photochromism/photoluminescence are hereafter abbreviated as XP/RL and UVP/PL, respectively. The material shows reversible white-to-red chromatic transitions under 395 nm UV or X-ray excitation, driven by oxygen vacancy-mediated color center dynamics. Sm3⁺ emission is selectively modulated by the photochromic state, with up to 67% suppression and 98% recovery, demonstrating high stability and reproducibility. Real-time and cumulative radiation sensing is enabled via XP, RL, and XP-modulated PL. In addition, the phosphors are embedded into a flexible polydimethylsiloxane matrix, enabling multi-modal use as X-ray imaging and a reconfigurable storage platform. This multifunctional platform offers new capabilities for radiation detection, anti-counterfeiting, and optical data storage, while advancing the understanding of dual-mode photochromism in niobate systems.","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284945","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}

引用次数: 0

Topology Optimization Enables Freeform Matrix Fourier Optics (Advanced Optical Materials 24/2025) 拓扑优化实现自由曲面矩阵傅立叶光学（Advanced Optical Materials 24/2025）

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-26 DOI: 10.1002/adom.70179

Yu-Tzu Liu, Yun-Chien Wu, Chang-Yi Lin, Huan-Teng Su, Yu-Qi Zhou, Yao-Wei Huang

引用次数: 0

Enhancing the Performance of Micro LEDs via Lightweight Atomic Charge-Matching Passivation (Advanced Optical Materials 24/2025) 通过轻量原子电荷匹配钝化提高微型led的性能（Advanced Optical Materials 24/2025）

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-26 DOI: 10.1002/adom.70182

Jinjian Yan, Weifang Lu, Jinchai Li, Kai Huang, Junyong Kang, Rong Zhang

引用次数: 0

Cucurbituril-Mediated Stacking Mode Conversion of Noncovalent Dimer 瓜脲介导的非共价二聚体的堆叠模式转换

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-26 DOI: 10.1002/adom.202501470

Jie Wu, Yongxue Li, Teng Zhao, Shuangqi Song, Hengzhi Zhang, Xiufang Xu, Heng-Yi Zhang, Yu Liu

{"title":"Cucurbituril-Mediated Stacking Mode Conversion of Noncovalent Dimer","authors":"Jie Wu, Yongxue Li, Teng Zhao, Shuangqi Song, Hengzhi Zhang, Xiufang Xu, Heng-Yi Zhang, Yu Liu","doi":"10.1002/adom.202501470","DOIUrl":"https://doi.org/10.1002/adom.202501470","url":null,"abstract":"The precise control of the spatial arrangement of organic photoconductive molecules plays an essential role in the fields of optoelectronics and bio-imaging. Herein, three rigid diphenylpyridine substituted toluene derivatives p-BPy, m-BPy, o-BPy with angles of 180, 120 and 60 degrees, are synthesized, respectively. The crystal structures reveal that both p-BPy and m-BPy are J-aggregate mode, and m-BPy stacks in an antiparallel manner, while p-BPy is in the isotropically parallel. 2D nuclear magnetic resonance (2D NMR) experiments demonstrate that p-BPy and m-BPy still are J-aggregate mode in aqueous solution, and o-BPy does not stack. Cucurbit[8]uril (CB[8]) can bind two p-BPy or m-BPy molecules expectedly in its cavity, and the former still is J-aggregate like in the solid state and aqueous solution with fluorescence emission peak red-shifts from 490 to 570 nm. Surprisingly, the stacking pattern of two m-BPy molecules in the CB[8] cavity changes from antiparallel to isotropic, resulting in excimer emission with a quantum yield increases significantly from 26.6% to 97.1%. This observation suggests that the cavity of CB[8] can mediate the stacking mode conversion of the noncovalent dimer m-BPy, and could be useful for the design of organic photoconductive molecules in the future.","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284942","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}

引用次数: 0

Advancements in Halide Perovskite Large Single Crystal Photodetectors: Bridging Optical and Ionizing Radiation 卤化物钙钛矿大单晶光电探测器的进展：桥接光学和电离辐射

IF 7.2 2区材料科学

Advanced Optical Materials Pub Date : 2025-08-26 DOI: 10.1002/adom.202501562

Zhengxun Lai, Yi Shen, He Shao, You Meng, Johnny C. Ho

{"title":"Advancements in Halide Perovskite Large Single Crystal Photodetectors: Bridging Optical and Ionizing Radiation","authors":"Zhengxun Lai, Yi Shen, He Shao, You Meng, Johnny C. Ho","doi":"10.1002/adom.202501562","DOIUrl":"https://doi.org/10.1002/adom.202501562","url":null,"abstract":"Halide perovskite large single crystals (HPLSCs, with millimeter-scale dimensions) are promising materials for photodetection, effectively bridging optical and ionizing radiation regimes with superior optoelectronic properties. This review explores recent advancements in HPLSC-based photodetectors, emphasizing synthesis methods, device architectures, and performance enhancements. Techniques like temperature-lowering crystallization, inverse-temperature crystallization, and antisolvent vapor-assisted crystallization produce high-quality HPLSCs with minimal defects, extended carrier diffusion, and improved storage stability. These crystals excel across spectral domains: visible detectors achieve responsivities over 100 A W−1, UV devices offer microsecond response speeds, and infrared detectors utilize defect engineering for broadband sensitivity. In ionizing radiation detection, HPLSCs perform well due to high atomic number constituents and substantial thickness, yielding X-ray sensitivities above 105 µC Gyair−1 cm−2 and γ-ray energy resolutions comparable to commercial detectors. Lead-free alternatives address toxicity concerns while maintaining efficacy. Future research is expected to focus on hybrid growth techniques, AI-driven material discovery, and integrated multispectral imaging, highlighting HPLSCs' potential in medical imaging, environmental monitoring, and aerospace applications.","PeriodicalId":116,"journal":{"name":"Advanced Optical Materials","volume":"13 29","pages":""},"PeriodicalIF":7.2,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284944","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}

引用次数: 0