Thin-film electronics played an important role in flexible healthcare sensor *** common status of their constituent blocks are solid film and network ***,the solid film could only sustain bend in a narrow range due to...
详细信息
Thin-film electronics played an important role in flexible healthcare sensor *** common status of their constituent blocks are solid film and network ***,the solid film could only sustain bend in a narrow range due to cracks,and the network structure decreased the sensitivity of flexion sensors due to the strong interactions between *** materials and technologies are urgently required for flexible sensing electronics,to produce the reliable data for assessment of the human ***,we report on a novel three-dimensional(3D)carbon nanorods array(CNA)that is characterized as vertically aligned nanorods and self-cross-linked *** also demonstrate the CNA-based flexible healthcare sensors in monitoring the Parkinsonian *** with two-dimensional(2D)carbon nanotube networks and solid thin films,such self-cross-linked geometries are highly resistant to crack and fragmentation under *** the meantime,it shows high sensitivity and good stability(~10,000 times)to detect the *** CNA-based flexible devices are capable of recording low-frequency vibrations(<6 Hz)and make it excellent to monitor the rest tremor of the human body,which is an initial symptom of Parkinson’s *** 3D self-cross-linked CNA film shows great potential in the fabrication of cost-effective and durable flexible sensors for early diagnosis of disease by monitoring the health-related rest tremors.
CONSPECTUS:Two-dimensional(2D)compound materials are regarded as promising candidates in many applications,including electronics,optoelectronics,sensors,and flexible devices,because they have high carrier mobility,tun...
详细信息
CONSPECTUS:Two-dimensional(2D)compound materials are regarded as promising candidates in many applications,including electronics,optoelectronics,sensors,and flexible devices,because they have high carrier mobility,tunable bandgaps,large specific surface area,atomic-level thickness,and cover lots of other *** order to bring 2D compound materials from the laboratory to industrial applications,materials preparation is the first *** all methods to prepare 2D compound materials,chemical vapor deposition(CVD)is one of the promising methods because it can grow a series of 2D compound materials with high quality as well as reasonable *** far,many efforts have been made in the CVD growth of 2D compound materials with large domain size,controllable number of layers,fast growth rate,and high-quality features,***,the CVD method has shown much potential for the commercialization of 2D compound ***,due to the complicated growth mechanism like sublimation and diffusion processes of multiple precursors,maintaining the controllability,repeatability,and high quality of CVD-grown 2D compound materials is still a big challenge,which prevents their widespread *** this Account,taking 2D transition metal dichalcogenides(TMDCs)as examples,we review current progress and highlight some promising growth strategies for the CVD growth of 2D compound *** detail,the key technology parameters that affect the CVD process,including non-metal precursor,metal precursor,substrate engineering,temperature,and gas flow,are systematically *** addition,we introduce some emerging methods in improving the quality of CVD-grown 2D compound materials(e.g.,repairing the sulfur vacancies by thiol chemistry).Then the current understanding of the CVD growth mechanism is summarized and *** the end,we conclude the current challenges and propose the potential opportunities in this field in terms of the growth of novel 2D compound materia
暂无评论