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Preparation of an FA-Based Discoloration Material and Its Application in Jewelry Design.
Materials (Basel)
November 2024
The Future Laboratory, Tsinghua University, Beijing 100084, China.
Fly ash (FA) is the main solid waste emitted from coal-fired power plants. Due to its high yield, low utilization rate, and occupation of a large amount of land, it exerts enormous pressure on the Earth's environment. With the deepening of the concept of sustainable development, exploring the reuse of industrial waste such as FA has become a key strategy.
View Article and Find Full Text PDFSelf-Adaptive Smart Thermochromic Film with Quick Response for All-Year Radiative Cooling and Solar Heating.
ACS Appl Mater Interfaces
December 2024
National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Jiangsu Key Laboratory of Artificial Functional Materials, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, P. R. China.
The advancement of energy-saving buildings requires both high-performance passive radiative cooling (PRC) and solar absorption heating (SAH) materials. Although many materials with PRC or SAH functions have been developed, they cannot adapt to the large fluctuations of ambient temperature in different seasons. Herein, we report the design and fabrication of a new thermochromic porous film (TMRC) with combined temperature-adaptive SAH and PRC performance to achieve "warm in winter and cool in summer" for all-year radiative cooling and solar heating.
View Article and Find Full Text PDF3D printing of thermochromic multilayer flexible film for multilevel information encryption.
J Colloid Interface Sci
January 2025
Shandong Engineering Research Center for Additive Manufacturing, Qingdao University of Technology, Qingdao 266520, China; Key Laboratory of Additive Manufacturing and Applications in Universities of Shandong, Qingdao University of Technology, Qingdao 266520, China. Electronic address:
Flexible thermal-responsive encryption devices are widely employed in information encryption and anti-counterfeiting due to their cost-effectiveness and dynamic data encryption and decryption capabilities. However, most current devices are limited to a single layer of encryption, resulting in restricted decryption methods and storage capacity, as well as reliance on external heating. In this study, we integrate multiple layers of encryption within a single device and introduce self-heating thermochromic technology along with infrared thermal imaging encryption to establish a novel concept of a multilayer flexible encryption system.
View Article and Find Full Text PDFHighly Tunable Cellulosic Hydrogels with Dynamic Solar Modulation for Energy-Efficient Windows.
Small
July 2024
School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Smart windows that can passively regulate incident solar radiation by dynamically modulating optical transmittance have attracted increasing scientific interest due to their potential economic and environmental savings. However, challenges remain in the global adoption of such systems, given the extreme variability in climatic and economic conditions across different geographical locations. Aiming these issues, a methylcellulose (MC) salt system is synthesized with high tunability for intrinsic optical transmittance (89.
View Article and Find Full Text PDFOblique Pyramid Microstructure-Patterned Flexible Sensors for Pressure and Visual Temperature Sensing.
ACS Appl Mater Interfaces
December 2023
School of Aerospace Engineering, Xiamen University, Xiamen 361102, China.
Flexible tactile sensors have garnered considerable attention in diverse fields. Among them, the sensors integrated with multifunctional tactile sensing features can simultaneously detect various stimuli, such as pressure and temperature, and are thus suitable for practical applications. However, integrating multiple sensor modalities within a solitary pixel invariably encounters various limitations encompassing interplay among disparate sensors, intricate structural design demands, and the complexities and high costs associated with fabrication.
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