Release date: 2015-09-07
In the wearable field, the precise collection and tracking of health data is the focus of competition for major products. Today, personal environmental monitors will also join the next generation of wearable devices. This environmental monitor, researched by Australian researchers, collects data on toxins in the air and informs the user of the data. This sensor is not only thin and foldable, you can put it on your skin or clothing to detect harmful gases and UV rays. 
(Researchers are testing the extensibility of materials)
The researchers printed the semiconductor on the polydimethylsiloxane film, and then stacked the film layer by layer, which sounded like the geological structure of the earth's crust. Micro-structuring is used here to make the fragile material stretch and bend, so that the device will be elastic, bendable and not broken.
So how do you let the film monitor harmful gases? For example, hydrogen and nitrogen dioxide, in addition to ultraviolet light.
The principle of implementation is simple, that is, the reaction to certain gases is preset, and once the inductor is exposed to a certain high concentration of gas, they are charged. The same is true for UV monitoring, where the conductivity of the UV monitor is enhanced.
In the medical field, this monitor also brings the gospel to prevent asthma and save lives. For example, in a coal kiln or a thermal power plant with a high concentration of toxic gases. For example, a high concentration of hydrogen is monitored. Because a large amount of hydrogen is inhaled, because the hydrogen itself is relatively light, it will spread to the surrounding area, and the alveoli will swell. The whole lung is like edema, and it is difficult to press the heart, but it is life-threatening.
In recent years, thanks to the development of nanotechnology, the properties and reactivity of nanomaterials have provided new solutions to environmental and engineering problems. More importantly, the low cost has also promoted the popularity of this technology. The potential to monitor and manage environmental pollutants is immeasurable.
So far, the sensor is still in the experimental stage, and researchers expect the device to be available four years later.
Source: Lei Feng Net
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