期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 8, 期 35, 页码 12240-12246出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0tc02807j
关键词
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资金
- National Natural Science Foundation of China [11504155, 61705096, 61705097]
- Natural Science Foundation of Shandong Province [ZR2019MA066]
Heterojunction light-emitting diodes (LED) based on n-ZnO/CsPbBr3/p-GaN have been fabricated by using pulsed laser deposition (PLD). The effects of the CsPbBr(3)interlayer on the electroluminescence (EL) performance of n-ZnO/p-GaN have been systematically studied. It was found that the CsPbBr(3)interlayer plays an important role in the emission performance of the heterojunction LED. By adjusting the thickness of CsPbBr3, the emission peaks of the heterojunction LED change from violet to greenish-yellow, indicating that the electroluminescence characters can be tuned by the CsPbBr(3)film thickness. Detailed emission mechanisms influenced by the CsPbBr(3)film have been investigated using the Anderson band diagram. The results provide a new method for the fabrication of single-chip white LEDs.
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