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|
| Type |
Poster Presentation |
| Area |
Material Chemistry |
| Room No. |
Event Hall |
| Time |
4월 20일 (금요일) 11:00~12:30 |
| Code |
MAT.P-403 |
| Subject |
Large-area fabrication and application of single crystalline perovskite arrays |
| Authors |
Lynn Lee, Myong Mo Sung*
Department of Chemistry, Hanyang University, Korea
|
| Abstract |
Hybrid perovskites, especially CH3NH3PbX3 (X=Cl, Br, I) have received great attention due to their excellent photoelectrical properties as well as their low-cost device fabrication process. Their superior light-harvesting properties lead to the exceptional optoelectrical performances of these materials in various applications such as solar cells, LEDs, and photodetectors. Typically, the quality of the crystal is a well-known factor to decide the efficiency of those optoelectronic applications with long carrier diffusion length and high mobility. However, since a thin film of a single crystal cannot be obtained by a typical film fabrication method, films made by most of the manufacturing methods suffers from low crystallinity issue. For these reasons, fabrication of single crystalline perovskite thin film is required for high-efficiency device applications.
In this study, we fabricate the large-area perovskite single crystal arrays in thin film form and characterize the crystallinity of the perovskite thin film by X-ray diffraction (XRD) and selected area electron diffraction (SAED). Also, the morphology of perovskite crystals was observed using optical microscopy (OM) and scanning electron microscopy (SEM). Furthermore, the perovskite patterned thin films are applied in lateral solar cell applications. The average efficiency of the perovskite lateral solar cell in low light intensity is over 4%, which are the world-top efficiency in lateral perovskite solar cell field as far. From this work, the probability of the perovskite single crystal array is successfully demonstrated. |
| E-mail |
rifrrifrrifr@naver.com |
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121st General Meeting of the KCS