| 초록 |
QD has been known as a promising material for the next generation display and illumination technology due to its excellent luminescent properties such as narrow emission band and high efficiency comparable to OLED. Until now, however, its application as industrial products is still limited because it is easily degraded under oxidative environments such as atmospheric oxygen, heat, and moisture. Here we developed a polymeric microcapsule where QD is well-dispersed in between self-assembled, 2-dimensionally stacked (multi-larmellar), micron-sized polymeric crystals, which is referred as a "QD-microcapsule". it has been applied to QD-film and QD-LED and we found long-term stability of QD has been improved tested at high temperature, high humidity, and under the blue light. Its morphology was studied by SEM, TEM, WASX, and SAXS. Stability of QD was checked in terms of photoluminescence (PL) intensity, emission wavelength, and FWHM in the PL spectrum. |
