| 학회 | 한국재료학회 |
| 학술대회 | 2010년 봄 (05/13 ~ 05/14, 삼척 팰리스 호텔) |
| 권호 | 16권 1호 |
| 발표분야 | G. Display (LCD, PDP, OLED) Materials(디스플레이 재료) |
| 제목 | Electrochemical Potentiostatic Activation & Its Application for Enhancing blue LED Efficiency |
| 초록 | A novel electrochemical potentiostatic method has been examined in order to enhance the hole concentration of p-type GaN thin films using KOH and HCl electrolyte. The hole concentration was increased more than 2 times by the electric voltge apply with the mobility of 10~12cm2/V.s. At optimum condition of 3V apply, hole concentration was enhanced more than reference sample from 1.7X10-17cm-3 to 4.1X10-17cm-3. Application of this activation method to blue-LED fabrication improved optical output from 18.4mW to 20.6mW, that is ~12% increase. SIMS analysis indicates that nearly 70% of hydrogen atoms could be removed by this method. |
| 저자 | 김봉준, 김학준, 이영곤, 백광선, 이준기, 김진혁, Karthikeyan Giri Sadasivam |
| 소속 | 전남대 |
| 키워드 | electrochemical; p-GaN; Activation |
