Solar energy paper index
Piezochromic metal-organic framework films for interfacial pressure mapping
One-line summary
A solar energy research paper on Piezochromic metal-organic framework films for interfacial pressure mapping.
Engineering notes
Engineering notes will be added by the Power for Solar editorial team.
Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Piezochromic metal-organic frameworks (MOFs) hold strong promise for interfacial pressure mapping owing to their structurally tunable sensitivity and sensing range. However, their practical deployment is hindered by structural instability during coating formation and under moisture exposure, as well as by the difficulty of obtaining color-uniform thin films. Herein, we report a solvent-exchange and encapsulation strategy that stabilizes MOF structures by weakening solvent-framework interactions and blocking moisture ingress, enabling highly stable piezochromic MOF films. Concurrently, highly color-uniform MOF films are realized through interfacial wettability regulation, enabling the identification of the surface roughness of 1000-grit sandpaper via pressure mapping. Moreover, the MOF coating process is adaptable to curved surfaces, allowing the recording of collision pressure distributions that are difficult to capture using electronic devices. This work demonstrates the great potential of piezochromic MOFs in film and coating formats for high-resolution interfacial pressure mapping.
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