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Article

Improved Performance of Perovskite Light-Emitting Diodes by Quantum Confinement Effect in Perovskite Nanocrystals

1
Department of Electro-optical Engineering, National Taipei University of Technology, 1, 3 Section, Chung-Hsiao East Road, Taipei 106, Taiwan
2
Department of Optics and Photonics, National Central University, 300 Chung-Da Rd., Chung-Li 32001, Taiwan
*
Authors to whom correspondence should be addressed.
Nanomaterials 2018, 8(7), 459; https://doi.org/10.3390/nano8070459
Received: 25 May 2018 / Revised: 15 June 2018 / Accepted: 19 June 2018 / Published: 25 June 2018
(This article belongs to the Special Issue Optoelectronic Nanodevices)
In this study, we demonstrate an easy and reliable solution-processed technique using an extra adductive in the perovskite precursor solution. Using this method, a dense and uniform morphology with full surface coverage and highly fluorescent films with nanoscale crystal grains can be obtained. The high exciton binding energy in the resulting films employing octylammonium bromide (OAB) adductives proved that high fluorescence originated from the quantum confinement effect. The corresponding perovskite light-emitting diodes (PeLEDs) that were based on this technique also exhibited excellent device performance. View Full-Text
Keywords: PeLEDs; OAB; perovskite; quantum confinement effect PeLEDs; OAB; perovskite; quantum confinement effect
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MDPI and ACS Style

Chen, L.-C.; Tseng, Z.-L.; Lin, D.-W.; Lin, Y.-S.; Chen, S.-H. Improved Performance of Perovskite Light-Emitting Diodes by Quantum Confinement Effect in Perovskite Nanocrystals. Nanomaterials 2018, 8, 459. https://doi.org/10.3390/nano8070459

AMA Style

Chen L-C, Tseng Z-L, Lin D-W, Lin Y-S, Chen S-H. Improved Performance of Perovskite Light-Emitting Diodes by Quantum Confinement Effect in Perovskite Nanocrystals. Nanomaterials. 2018; 8(7):459. https://doi.org/10.3390/nano8070459

Chicago/Turabian Style

Chen, Lung-Chien, Zong-Liang Tseng, Dai-Wei Lin, Yu-Shiang Lin, and Sheng-Hui Chen. 2018. "Improved Performance of Perovskite Light-Emitting Diodes by Quantum Confinement Effect in Perovskite Nanocrystals" Nanomaterials 8, no. 7: 459. https://doi.org/10.3390/nano8070459

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