Semiconductor nanowires have demonstrated excellent electronic and optoelectronic properties.When integrated into photodetectors,excellent device performance can be easily attained.Apart from the exceptional performan...Semiconductor nanowires have demonstrated excellent electronic and optoelectronic properties.When integrated into photodetectors,excellent device performance can be easily attained.Apart from the exceptional performance,these nanowires can also enable robust and mechanically flexible photodetectors for various advanced utilizations that the rigid counterparts cannot perform.These unique applications include personal healthcare,next-generation robotics and many others.In this review,we would first discuss the nanowire fabrication techniques as well as the assembly methods of constructing largescale nanowire arrays.Then,the recent development of flexible photodetectors based on these different nanowire material systems is evaluated in detail.At the same time,we also introduce some recent advancement that allows individual photodetectors to integrate into a more complex system for advanced deployment.Finally,a short conclusion and outlook of challenges faced in the future of the community is presented.展开更多
Flexible and wearable sensors that can acquire signals of pressure,temperature,optical input,chemical environment as well as human body physiological and biological parameters,are of critical importance for robotics a...Flexible and wearable sensors that can acquire signals of pressure,temperature,optical input,chemical environment as well as human body physiological and biological parameters,are of critical importance for robotics and health,in which these sensors are hence in urgent demands.On the fundamental side,there are still substantial challenges on how to design and fabricate materials with biocompatibility,robustness and excellent mechanical flexibility,as well as to achieve sensor devices with high performance,low power consumption and good system integration capability.Meanwhile in practical applications,there are also obstacles on the integration of various kinds of sensors with flexible substrates,signal processing and power supply units.With the fast development of Internet of Things(IoT),smart sensors will as well be interconnected to form sensor networks,providing big data for our future intelligent living.All these would deliver a profound socioeconomic impact to our society.展开更多
Wearable multifunctional sweat-based sensingis a promising strategy for noninvasive biomarker monitoring.However,in spite of the progressive improvements through various strategies,sweat-based biosensors still face se...Wearable multifunctional sweat-based sensingis a promising strategy for noninvasive biomarker monitoring.However,in spite of the progressive improvements through various strategies,sweat-based biosensors still face several challenges,for example,operating instability of enzymes or biomaterials,limited detection range and sensitivity,and poor shelf life of working electrodes.展开更多
基金Fund of the Research Grants Council of Hong Kong SAR, China (CityU 11211317)the National Natural Science Foundation of China (Grants 51672229)+1 种基金the Science Technology and Innovation Committee of Shenzhen Municipality (Grant JCYJ20170818095520778)a grant from the Shenzhen Research Institute, City University of Hong Kong
文摘Semiconductor nanowires have demonstrated excellent electronic and optoelectronic properties.When integrated into photodetectors,excellent device performance can be easily attained.Apart from the exceptional performance,these nanowires can also enable robust and mechanically flexible photodetectors for various advanced utilizations that the rigid counterparts cannot perform.These unique applications include personal healthcare,next-generation robotics and many others.In this review,we would first discuss the nanowire fabrication techniques as well as the assembly methods of constructing largescale nanowire arrays.Then,the recent development of flexible photodetectors based on these different nanowire material systems is evaluated in detail.At the same time,we also introduce some recent advancement that allows individual photodetectors to integrate into a more complex system for advanced deployment.Finally,a short conclusion and outlook of challenges faced in the future of the community is presented.
文摘Flexible and wearable sensors that can acquire signals of pressure,temperature,optical input,chemical environment as well as human body physiological and biological parameters,are of critical importance for robotics and health,in which these sensors are hence in urgent demands.On the fundamental side,there are still substantial challenges on how to design and fabricate materials with biocompatibility,robustness and excellent mechanical flexibility,as well as to achieve sensor devices with high performance,low power consumption and good system integration capability.Meanwhile in practical applications,there are also obstacles on the integration of various kinds of sensors with flexible substrates,signal processing and power supply units.With the fast development of Internet of Things(IoT),smart sensors will as well be interconnected to form sensor networks,providing big data for our future intelligent living.All these would deliver a profound socioeconomic impact to our society.
文摘Wearable multifunctional sweat-based sensingis a promising strategy for noninvasive biomarker monitoring.However,in spite of the progressive improvements through various strategies,sweat-based biosensors still face several challenges,for example,operating instability of enzymes or biomaterials,limited detection range and sensitivity,and poor shelf life of working electrodes.
