Advanced Optical Materials

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Water‐Stable Lanthanide Coordination Polymers with Triple Luminescent Centers for Tunable Emission and Efficient Self‐Calibration Sensing Wastewater Pollutants
Advanced Optical Materials - Tập 8 Số 8 - 2020
Enjun Gao, Shuangyan Wu, Jing Wang, Mingchang Zhu, Ying Zhang, Vladimir P. Fedin
AbstractConventional luminescent sensors relying on single emission responsive to analytes demonstrate limited sensitivity and selectivity and developing novel self‐calibration probes is highly required. A series of water‐stable coordination polymers (CPs) with three emitting centers for tunable emissions is reported. They are facilely synthesized by simultaneously doping red‐emitting Eu3+ and gre... hiện toàn bộ
Electrochromic Materials Based on Ions Insertion and Extraction
Advanced Optical Materials - Tập 10 Số 4 - 2022
Ya Huang, Baoshun Wang, Fengxiang Chen, Ying Han, Wenshuo Zhang, Xueke Wu, Run Li, Qinyuan Jiang, Xilai Jia, Fei Wei
AbstractReducing energy consumption is one of the major concerns in modern building design and construction because buildings account for ≈40% of the total energy consumption in modern society. Among various technologies for saving energy, electrochromic smart windows are considered as a highly promising one. Except for the application in saving energy, electrochromism has also attracted extensive... hiện toàn bộ
Improving Lead‐Free Double Perovskite Cs2NaBiCl6 Nanocrystal Optical Properties via Ion Doping
Advanced Optical Materials - Tập 8 Số 8 - 2020
Mingming Yao, Li Wang, Jisong Yao, Kunhua Wang, Chen Chen, Bai‐Sheng Zhu, Jun‐Nan Yang, Jing‐Jing Wang, Weiping Xu, Qun Zhang, Hong‐Bin Yao
AbstractThe exploration of lead‐free halide perovskite nanocrystals (NCs) with intriguing optical properties is highly desirable owing to the toxicity and instability of lead halide perovskite NCs. Here, a new kind of uniform lead‐free double perovskite Cs2NaBiCl6 NCs are reported as versatile hosts to accommodate ionic dopants for improving optical properties especially the photoluminescence (PL)... hiện toàn bộ
Blue‐Pumped Deep Ultraviolet Lasing from Lanthanide‐Doped Lu6O5F8 Upconversion Nanocrystals
Advanced Optical Materials - Tập 8 Số 2 - 2020
Yangyang Du, Yunfeng Wang, Zhiqin Deng, Xian Chen, Xueqing Yang, Tianying Sun, Xin Zhang, Guangyu Zhu, S. F. Yu, Feng Wang
AbstractDeep ultraviolet (UV) lasers are essential for enormous use ranging from medical and life science to environmental and industrial applications. Herein, a class of blue‐pumped microcavity lasers operating in the deep UV region is demonstrated by using Lu6O5F8:Pr/Gd@Lu6O5F8 upconversion nanocrystals as the gain medium. A hot‐injection synthesis is developed for tuning dimensions of the Lu6O5... hiện toàn bộ
Rare Earth Ion‐Doped CsPbBr3 Nanocrystals
Advanced Optical Materials - Tập 6 Số 2 - 2018
Qingsong Hu, Li Zha, Zhifang Tan, Huaibing Song, Cong Ge, Liduo Wang, Jiantao Han, Jiang Tang
AbstractRare earth ions Eu3+ and Tb3+ are doped into CsPbBr3 nanocrystals (NCs) for the first time, utilizing a one‐pot ultrasonication method. As‐synthesized NCs exhibit dual emissions from NCs and rare earth ions, further strengthening the competitiveness of perovskite NCs for lighting application.
Arsenic‐Induced Growth of Dodecagonal GaN Microrods with Stable a‐Plane Walls
Advanced Optical Materials - Tập 9 Số 5 - 2021
P. Ciechanowicz, Sandeep Gorantla, Paweł Piotr Michałowski, Ewelina Zdanowicz, J.-G. Rousset, Daria Hlushchenko, Krzysztof Adamczyk, D. Majchrzak, R. Kudrawiec, D. Hommel
AbstractNano‐ and micro‐rods of GaN offer many functionalities that are not present in regular flat nanostructures. Therefore, development of new growth methods of such structures is a hot topic. In this work the arsenic‐induced growth of GaN microrods under Ga‐rich conditions in the molecular beam epitaxy is presented. It is a self‐catalyst vapor–liquid–solid process with native Ga droplets. The ... hiện toàn bộ
Full‐Color Inorganic Carbon Dot Phosphors for White‐Light‐Emitting Diodes
Advanced Optical Materials - Tập 5 Số 19 - 2017
Zhen Tian, Xutao Zhang, Di Li, Ding Zhou, Pengtao Jing, Dezhen Shen, Songnan Qu, Radek Zbořil, Andrey L. Rogach
Light‐emitting carbon dots (CDots) are widely investigated due to their distinct merits. However, it is still a challenge to modulate their bandgap emissions and conquer their aggregation‐induced luminescence quenching to achieve full‐color highly emissive CDot‐based phosphors. Herein, this study proposes an approach toward realization of full‐color emissive CDots from two common precursors, citri... hiện toàn bộ
Elucidating Orbital Delocalization Effects on Boosting Electrochemiluminescence Efficiency of Carbon Nitrides
Advanced Optical Materials - Tập 10 Số 18 - 2022
Yanfeng Fang, Yuhua Hou, Hong Yang, Ran Chen, Wang Li, Jin Ma, Dan Han, Xuwen Cao, Songqin Liu, Yanfei Shen, Yuanjian Zhang
AbstractHighly efficient inter‐conversion of different types of energy is the core of science and technology. Among them, electrochemiluminescence (ECL), an emission of light excited by electrochemical reactions, has drawn attention as a powerful tool across diverse fields in addressing global energy, environment, and health challenges. Nonetheless, the ECL efficiency (ΦECL) of most luminophores i... hiện toàn bộ
Lead‐Free Perovskite Derivative Cs2SnCl6−xBrx Single Crystals for Narrowband Photodetectors
Advanced Optical Materials - Tập 7 Số 10 - 2019
Jun Zhou, Jiajun Luo, Ximing Rong, Peijia Wei, Maxim S. Мolokeev, Yang Huang, Jing Zhao, Quanlin Liu, Xiuwen Zhang, Jiang Tang, Zhiguo Xia
AbstractLead‐free and stable Sn halide perovskites demonstrate tremendous potential in the field of optoelectronic devices. Here, the structure and optical properties of the “defect” perovskites Cs2SnCl6−xBrx are reported, as well as their use as photodetector materials. Millimeter‐sized Cs2SnCl6−xBrx single crystals are grown by the hydrothermal method, with the body color continuously changing f... hiện toàn bộ
Tunable Emissions of Upconversion Fluorescence for Security Applications
Advanced Optical Materials - Tập 7 Số 6 - 2019
Weijing Yao, Qingyong Tian, Wei Wu
AbstractThe rampant appearance of counterfeiting has a serious adverse effect on every aspect in the global markets. Thus, the development of high‐tech security strategies has become an urgent challenge. Recently, lanthanide ions (Ln3+) doped materials open new avenues for concealing factual data and shield against counterfeiting because of their unique optical characteristics of color‐tunable emi... hiện toàn bộ
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