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Zhang X, Yin T, Ge J. Thermochromic Photonic Crystal Paper with Integrated Multilayer Structure and Fast Thermal Response: A Waterproof and Mechanically Stable Material for Structural-Colored Thermal Printing. Adv Mater 2024; 36:e2309344. [PMID: 37906731 DOI: 10.1002/adma.202309344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/23/2023] [Indexed: 11/02/2023]
Abstract
Thermochromic photonic crystals are promising materials for thermal printing due to their unfaded colors under chemical/illuminated environments and the absence of toxic chemicals. However, the slow thermochromic response, the multistep printing procedures, the use of inks or developing liquids, and the requirement of expensive parts in printers limit their applications. Here, a thermochromic polyurethane/hydrophobic-SiO2 photonic crystal/paraffin (PU/HPO-SiO2 -PC/Para) film with an integrated multilayer structure is fabricated for all-solid-state and single-step thermal printing that is fully compatible with commercial printers. The fast thermochromic response in milliseconds enables high-resolution and grayscale printing as the paraffin infiltration and the color change can be finely controlled in a microscale range. The integrated and hydrophobic multilayer structure renders the thermochromic film good stability in daily liquids, which addresses the long-existing concern of print fading. Meanwhile, the integrated multilayer structure also enhances the mechanical stability when it is deposited on fibrous paper so that people can fold, cut, or staple the thermal papers, and make notes confidently in practical usage.
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Affiliation(s)
- Xin Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
- Department of Chemistry and Chemical Engineering, Mianyang Normal University, Mianyang, 621000, China
| | - Tian Yin
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
- State Key Laboratory of Petroleum Molecular and Process Engineering (SKLPMPE), Sinopec Research Institute of Petroleum Processing Co. LTD., Beijing, 100083, China
| | - Jianping Ge
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
- State Key Laboratory of Petroleum Molecular and Process Engineering (SKLPMPE), Sinopec Research Institute of Petroleum Processing Co. LTD., Beijing, 100083, China
- Institute of Eco-Chongming, Shanghai, 202162, China
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Tian L, Gao X, Wang S, Chen C, Chen M, Guo W, Wang Z, Tai X, Han X, Xu C, Ruan Y, Zhu M, Xiong C, Yao T, Zhou H, Lin Y, Wu Y. Precise arrangement of metal atoms at the interface by a thermal printing strategy. Proc Natl Acad Sci U S A 2023; 120:e2310916120. [PMID: 38117856 PMCID: PMC10756259 DOI: 10.1073/pnas.2310916120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 10/26/2023] [Indexed: 12/22/2023] Open
Abstract
The kinetics and pathway of most catalyzed reactions depend on the existence of interface, which makes the precise construction of highly active single-atom sites at the reaction interface a desirable goal. Herein, we propose a thermal printing strategy that not only arranges metal atoms at the silica and carbon layer interface but also stabilizes them by strong coordination. Just like the typesetting of Chinese characters on paper, this method relies on the controlled migration of movable nanoparticles between two contact substrates and the simultaneous emission of atoms from the nanoparticle surface at high temperatures. Observed by in situ transmission electron microscopy, a single Fe3O4 nanoparticle migrates from the core of a SiO2 sphere to the surface like a droplet at high temperatures, moves along the interface of SiO2 and the coated carbon layer, and releases metal atoms until it disappears completely. These detached atoms are then in situ trapped by nitrogen and sulfur defects in the carbon layer to generate Fe single-atom sites, exhibiting excellent activity for oxygen reduction reaction. Also, sites' densities can be regulated by controlling the size of Fe3O4 nanoparticle between the two surfaces. More importantly, this strategy is applicable to synthesize Mn, Co, Pt, Pd, Au single-atom sites, which provide a general route to arrange single-atom sites at the interface of different supports for various applications.
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Affiliation(s)
- Lin Tian
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Xiaoping Gao
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei230026, China
| | - Sicong Wang
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei230026, China
| | - Cai Chen
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Min Chen
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Wenxin Guo
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Zhe Wang
- Preservation Technology, Advanced Research Center, Hefei Hualing Co., Ltd., Hefei230000, China
| | - Xiaolin Tai
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei230026, China
| | - Xiao Han
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei230026, China
| | - Chenxi Xu
- School of Materials Science and Engineering, Hefei University of Technology, Hefei230009, China
| | - Yaner Ruan
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Mengzhao Zhu
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Can Xiong
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Tao Yao
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei230026, China
| | - Huang Zhou
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
| | - Yue Lin
- Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei230026, China
| | - Yuen Wu
- Deep Space Exploration Laboratory/School of Chemistry and Materials Science, University of Science and Technology of China, Hefei230026, China
- Dalian National Laboratory for Clean Energy, Dalian116023, China
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Zhang X, Ran Y, Fu Q, Ge J. Ultrafast and Irreversibly Thermochromic SiO 2 -PC/PEG Double Layer for Green Thermal Printing. Small 2022; 18:e2106533. [PMID: 35246927 DOI: 10.1002/smll.202106533] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/08/2022] [Indexed: 06/14/2023]
Abstract
Traditional thermochromic photonic crystal (PC) usually has a slow and reversible thermal response, which limits its application in thermal printing. Here, the authors develop a thermochromic "SiO2 -PC/PEG" double layer structure with a responding time of milliseconds for fast thermal printing. Controlled by the print-head, the polyethylene glycol (PEG) melts, infiltrates, and solidifies within the interparticle voids, which instantly and irreversibly changes the refractive index and produces the PC pattern. Multicolor printing can be realized by tuning the size and type of colloidal particles. Resolution as high as 300 DPI is achieved to print the high-resolution patterns and then the grayscale patterns based on the control of pixel densities. Different from fiber thermal paper, the "SiO2 -PC/PEG" film has no toxic bisphenol A and possesses superior light stability for keeping the images longer. It is fully compatible with the commercial printer, which provides a mature solution for fast and convenient preparation of PC patterns.
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Affiliation(s)
- Xin Zhang
- School of Chemistry and Molecular Engineering, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai, 200062, China
| | - Yumei Ran
- School of Chemistry and Molecular Engineering, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai, 200062, China
| | - Qianqian Fu
- School of Chemistry and Molecular Engineering, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai, 200062, China
| | - Jianping Ge
- School of Chemistry and Molecular Engineering, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai, 200062, China
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Wang Y, Gao H, Yang J, Fang M, Ding D, Tang BZ, Li Z. High Performance of Simple Organic Phosphorescence Host-Guest Materials and their Application in Time-Resolved Bioimaging. Adv Mater 2021; 33:e2007811. [PMID: 33772942 DOI: 10.1002/adma.202007811] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Indexed: 06/12/2023]
Abstract
The study of purely organic room-temperature phosphorescence (RTP) has drawn increasing attention because of its considerable theoretical research and practical application value. Currently, organic RTP materials with both high efficiency (ΦP > 20%) and a long lifetime (τP > 10 s) in air are still scarce due to the lack of related design guidance. Here, a new strategy to increase the phosphorescence performance of organic materials by integrating the RTP host and RTP guest in one doping system to form a triplet exciplex, is reported. With these materials, the high-contrast labeling of tumors in living mice and encrypted patterns in thermal printing are both successfully realized by taking advantage of both the long afterglow time (up to 25 min in aqueous media) and high phosphorescence efficiency (43%).
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Affiliation(s)
- Yunsheng Wang
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Heqi Gao
- Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin, 300071, China
| | - Jie Yang
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Manman Fang
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
| | - Dan Ding
- Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin, 300071, China
| | - Ben Zhong Tang
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, 999077, Hong Kong
| | - Zhen Li
- Institute of Molecular Aggregation Science, Tianjin University, Tianjin, 300072, China
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
- Department of Chemistry, Wuhan University, Wuhan, 430072, China
- Joint School of National University of Singapore, Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350207, China
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Hu R, Huang S, Wang M, Luo X, Shiomi J, Qiu CW. Encrypted Thermal Printing with Regionalization Transformation. Adv Mater 2019; 31:e1807849. [PMID: 31058371 DOI: 10.1002/adma.201807849] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 04/05/2019] [Indexed: 06/09/2023]
Abstract
Artificially structured thermal metamaterials provide an unprecedented possibility of molding heat flow that is drastically distinct from the conventional heat diffusion in naturally conductive materials. The Laplacian nature of heat conduction makes the transformation thermotics, as a design principle for thermal metadevices, compatible with transformation optics. Various functional thermal devices, such as thermal cloaks, concentrators, and rotators, have been successfully demonstrated. How far can it possible go beyond just realizing a heat-distribution function in a thermal metadevice? Herein, the concept of encrypted thermal printing is proposed and experimentally validated, which could conceal encrypted information under natural light and present static or dynamic messages in an infrared image. Regionalization transformation is developed for structuring thermal metamaterial-strokes as infrared signatures, enabling letters of the alphabet to be written, paintings to be drawn, movies to be made, and information to be displayed. This strategy successfully demonstrates an extreme level of manipulation of heat flow for encryption, illusions, and messaging.
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Affiliation(s)
- Run Hu
- State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Shiyao Huang
- State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Meng Wang
- China-EU Institute for Clean and Renewable Energy, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xiaobing Luo
- State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
- China-EU Institute for Clean and Renewable Energy, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Junichiro Shiomi
- Department of Mechanical Engineering, The University of Tokyo (UTOKYO), 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Cheng-Wei Qiu
- Department of Electrical and Computer Engineering, National University of Singapore (NUS), Kent Ridge, 117583, Republic of Singapore
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