Abstract
In this work, we develop an environmental-friendly approach to produce organic-inorganic hybrid MAPbBr3 (MA = CH3NH3) perovskite nanocrystals (PeNCs) and PMMA-MAPbBr3 NC films with excellent compression-resistant PL characteristics. Deionized water is used as the solvent to synthesize MAPbBr3 powder instead of conventionally-used hazardous organic solvents. The MAPbBr3 PeNCs derived from the MAPbBr3 powder exhibit a high photoluminescence quantum yield (PLQY) of 93.86%. Poly(methyl methacrylate) (PMMA)-MAPbBr3 NC films made from the MAPbBr3 PeNCs retain 1/497% and 1/491% of initial PL intensity after 720 h aging in ambient environment at 50 °C and 70 °C, respectively. The PMMA-MAPbBr3 NC films also exhibit compression-resistant photoluminescent characteristics in contrast to the PMMA-CsPbBr3 NC films under a compressive stress of 1.6 MPa. The PMMA-MAPbBr3 NC film integrated with a red emissive film and a blue light emitting source achieves an LCD backlight of 1/4114% color gamut of National Television System Committee (NTSC) 1953 standard.
| Original language | English |
|---|---|
| Article number | 235605 |
| Journal | Nanotechnology |
| Volume | 33 |
| Issue number | 23 |
| DOIs | |
| State | Published - Jun 4 2022 |
Bibliographical note
Publisher Copyright:© 2022 IOP Publishing Ltd.
Funding
FY is grateful for the support by the NSF through the grant CMMI-1854554, monitored by Drs Khershed Cooper and Thomas Francis Kuech, and CBET- 2018411 monitored by Dr Nora F Savage.
| Funders | Funder number |
|---|---|
| National Science Foundation Arctic Social Science Program | CBET- 2018411, CMMI-1854554 |
Keywords
- compression-resistant backlight films
- deionized water
- display
- organic-inorganic hybrid perovskite nanocrystals
ASJC Scopus subject areas
- Bioengineering
- General Chemistry
- General Materials Science
- Mechanics of Materials
- Mechanical Engineering
- Electrical and Electronic Engineering
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