Advanced Optical Materials

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Optical Properties of Plasmonic Ultrathin TiN Films
Advanced Optical Materials - Tập 5 Số 13 - 2017
Deesha Shah, Harsha Reddy, Nathaniel Kinsey, Vladimir M. Shalaev, Alexandra Boltasseva
Overcoming the challenge of growing ultrathin metallic films is of great importance for practical applications of nanoplasmonic structures. In the present work, epitaxial, ultrathin (<10 nm) films of plasmonic TiN are grown on MgO using DC reactive magnetron sputtering. The optical properties of the films are studied through variable angle spectroscopic ellipsometry and Hall measurement...... 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 dop...... hiện toàn bộ
Progress in Scalable Coating and Roll‐to‐Roll Compatible Printing Processes of Perovskite Solar Cells toward Realization of Commercialization
Advanced Optical Materials - Tập 6 Số 9 - 2018
Yen‐Sook Jung, Kyeongil Hwang, Youn‐Jung Heo, Jueng‐Eun Kim, Doojin Vak, Dong‐Yu Kim
AbstractOrganic–inorganic halide perovskite solar cells (PeSCs) have attracted worldwide attention due to their excellent photovoltaic properties, such as their proper bandgap, strong light absorption, long exciton diffusion length, and easy device fabrication with solution processes, suggesting a great potential for low‐cost, high‐performance solar cells. After a ...... 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 the...... hiện toàn bộ
Directional Light Emission in a Single NaYF4 Microcrystal via Photon Upconversion
Advanced Optical Materials - Tập 3 Số 11 - Trang 1577-1581 - 2015
Bing Chen, Tianying Sun, Xvsheng Qiao, Xianping Fan, Feng Wang
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 efficie...... hiện toàn bộ
Optoelectronic Diamond: Growth, Properties, and Photodetection Applications
Advanced Optical Materials - Tập 6 Số 20 - 2018
Ying‐Jie Lu, Chaonan Lin, Chongxin Shan
AbstractDeep ultraviolet photodetectors have attracted much attention due to their wide applications in the industrial, military, biological and environmental fields. Diamond has a variety of unique characteristics, including a wide bandgap, high thermal conductivity, high breakdown voltage, high carrier mobility, and high radiation hardness, which make it a promis...... hiện toàn bộ
Diamond‐Based All‐Carbon Photodetectors for Solar‐Blind Imaging
Advanced Optical Materials - Tập 6 Số 15 - 2018
Chaonan Lin, Ying‐Jie Lu, Xun Yang, Yongzhi Tian, Chaojun Gao, Junlu Sun, Lin Dong, Fang Zhong, Weida Hu, Chongxin Shan
AbstractSingle‐crystalline diamond wafers are synthesized, and all‐carbon solar‐blind photodetectors are constructed based on the diamond with interdigitated graphite as electrodes. The graphite electrodes are made by laser‐induced graphitization of the diamond. The peak responsivity of the photodetector is 21.8 A W−1, and detectivity is 1.39 ×...... hiện toàn bộ
Solvothermal Synthesis and Ultrafast Photonics of Black Phosphorus Quantum Dots
Advanced Optical Materials - Tập 4 Số 8 - Trang 1223-1229 - 2016
Yanhua Xu, Zhiteng Wang, Zhinan Guo, Hao Huang, Quanlan Xiao, Han Zhang, Xue‐Feng Yu
Ultrasmall black phosphorus quantum dots (BPQDs) with an average size of 2.1 ± 0.9 nm are synthesized by using a solvothermal method in a N‐methyl‐2‐pyrrolidone solution. Verified by femto‐second laser Z‐scan measurement, BPQDs exhibit excellent nonlinear optical response with a modulation depth of about 36% and a saturable intensity of about 3.3 GW cm−...... hiện toàn bộ
Self‐Powered Photodetectors Based on 2D Materials
Advanced Optical Materials - Tập 8 Số 1 - 2020
Hui Qiao, Zongyu Huang, Xiaohui Ren, Shuhua Liu, Yupeng Zhang, Xiang Qi, Han Zhang
AbstractSelf‐powered photodetectors are considered as a new type of photodetectors enabling self‐powered photodetection without external power. The excellent photoresponsivity, fast photoresponse rate, low dark current, and large light on/off ratio of these photodetectors have attracted wide interest among scholars. 2D materials are widely used in self‐powered phot...... hiện toàn bộ
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