Stretchable Optoelectronics
Stretchable Devices
As the interests of wearable devices has increased, flexible & stretchable optoelectronics are attracting great attention. Thin-film solar cells such as organic solar cell and colloidal quantum dot solar cell are being concerned as power sources in wearable devices due to their low-cost, flexible and light weight characteristics. We focus on improving mechanical behavior in various material combinations and designing efficient structure for high power conversion efficiency and mechanical stability.
Transparent Electrodes
An outstanding performance of a transparent conductive electrode (TCE) is essential for efficient electronic devices including solar cells, future displays, and bio-sensors. While ITO has occupied the most of the present TCE market, but it has critical shortcomings that it is expensive and brittle. Therefore, the requirement for alternative TCE is also increasing. We investigate the novel transparent conductors such as metal nanowire, metal nanonetwork graphene, CNT, PEDOT:PSS to replace ITO. These novel transparent conductors can be the basis of the next generation electronic devices.
Stretchable Electrodes
Stretchable/flexible electronics have attracted significant interest as an exciting research field due to their possible applications in high-end technologies including wearable, large area, and bio-integrated devices. To fabricate these, stretchable electrodes are indispensable element to provide both durability and high electronic performance at highly strained states. Our researches focus on developing novel methods to present intrinsically stretchable electrodes with superior reliability under high strain condition and repetitive stretching.
