The theft prevention for cultural relics in museums,field excavation sites,and temporary exhibition events is of extreme importance.However,traditional anti-theft technologies such as infrared monitoring and radio fre...The theft prevention for cultural relics in museums,field excavation sites,and temporary exhibition events is of extreme importance.However,traditional anti-theft technologies such as infrared monitoring and radio frequency identification are highly costly,power-consuming,and easy to break.Here,a transparent,ultrathin,and flexible triboelectric sensor(TUFS)with a simple and low-cost method is proposed.With a thickness,weight,and transmittance of 92μm,0.12 g,and 89.4%,the TUFS manifests superb concealment.Benefiting from the characteristic of triboelectric nanogenerators,the TUFS responds effectively to common cultural-relic materials.Moreover,distinguished electrical responses can be obtained even for very small weights(10 g)and areas(1 cm^(2)),proving the sensitivity and wide range of use of the TUFS.Finally,we construct a concealed cultural-relic anti-theft system that enables real-time alarming and accurate positioning of cultural relics,which is expected to strengthen the security level of the existing museum anti-theft systems.展开更多
Produced by the Beijing Taidu Automobile Safety Equipment Manufacture Co. Ltd., the Taidu electronic anti-theft alarm system has a single key system and easy operation. The system has a cover to protect it from accide...Produced by the Beijing Taidu Automobile Safety Equipment Manufacture Co. Ltd., the Taidu electronic anti-theft alarm system has a single key system and easy operation. The system has a cover to protect it from accidental triggering. Indicators display its remote control function, controlling all the locking and unlocking actions for an automobile’s doors within a range of 50 metres. The system has a展开更多
基金the National Natural Science Foundation of China(No.61503051).
文摘The theft prevention for cultural relics in museums,field excavation sites,and temporary exhibition events is of extreme importance.However,traditional anti-theft technologies such as infrared monitoring and radio frequency identification are highly costly,power-consuming,and easy to break.Here,a transparent,ultrathin,and flexible triboelectric sensor(TUFS)with a simple and low-cost method is proposed.With a thickness,weight,and transmittance of 92μm,0.12 g,and 89.4%,the TUFS manifests superb concealment.Benefiting from the characteristic of triboelectric nanogenerators,the TUFS responds effectively to common cultural-relic materials.Moreover,distinguished electrical responses can be obtained even for very small weights(10 g)and areas(1 cm^(2)),proving the sensitivity and wide range of use of the TUFS.Finally,we construct a concealed cultural-relic anti-theft system that enables real-time alarming and accurate positioning of cultural relics,which is expected to strengthen the security level of the existing museum anti-theft systems.
文摘Produced by the Beijing Taidu Automobile Safety Equipment Manufacture Co. Ltd., the Taidu electronic anti-theft alarm system has a single key system and easy operation. The system has a cover to protect it from accidental triggering. Indicators display its remote control function, controlling all the locking and unlocking actions for an automobile’s doors within a range of 50 metres. The system has a
