Encapsulation of Perovskite Nanocrystals into Macroscale Polymer Matrices: Enhanced Stability and Polarization
Abstract
Lead halide perovskites hold promise for photonic devices, due to their superior optoelectronic properties. However, their use is limited by poor stability and toxicity. We demonstrate enhanced water and light stability of high-surface-area colloidal perovskite nanocrystals by encapsulation of colloidal CsPbBr3 quantum dots into matched hydrophobic macroscale polymeric matrices. This is achieved by mixing the quantum dots with presynthesized high-molecular-weight polymers. In this work, we monitor the photoluminescence quantum yield of the perovskite-polymer nanocomposite films under water-soaking for the first time, finding no change even after >4 months of continuous immersion in water. Furthermore, photostability is greatly enhanced in the macroscale polymer-encapsulated nanocrystal perovskites, which sustain >1010 absorption events per quantum dot prior to photodegradation, a significant threshold for potential device use. Control of the quantum dot shape in these thin-film polymer composite enables color tunability via strong quantum-confinement in nanoplates and significant room temperature polarized emission from perovskite nanowires. Not only does the high-molecular-weight polymer protect the perovskites from the environment but also no escaped lead was detected in water that was in contact with the encapsulated perovskites for months. In conclusion, our ligand-passivated perovskite-macroscale polymer composites provide a robust platform for diverse photonic applications.
- Authors:
-
[1];
[1];
[1];
- Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Kavli Energy NanoScience Institute, Berkeley, CA (United States)
- Univ. of California, Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1532212
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ACS Applied Materials and Interfaces
- Additional Journal Information:
- Journal Volume: 8; Journal Issue: 51; Journal ID: ISSN 1944-8244
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; perovskite quantum dot nanocrystals; hydrophobic polymer; nanocomposite polarization; light and water stability; photon budget; nanowires and nanoplates
Citation Formats
Raja, Shilpa N., Bekenstein, Yehonadav, Koc, Matthew A., Fischer, Stefan, Zhang, Dandan, Lin, Liwei, Ritchie, Robert O., Yang, Peidong, and Alivisatos, A. Paul. Encapsulation of Perovskite Nanocrystals into Macroscale Polymer Matrices: Enhanced Stability and Polarization. United States: N. p., 2016.
Web. doi:10.1021/acsami.6b09443.
Raja, Shilpa N., Bekenstein, Yehonadav, Koc, Matthew A., Fischer, Stefan, Zhang, Dandan, Lin, Liwei, Ritchie, Robert O., Yang, Peidong, & Alivisatos, A. Paul. Encapsulation of Perovskite Nanocrystals into Macroscale Polymer Matrices: Enhanced Stability and Polarization. United States. https://doi.org/10.1021/acsami.6b09443
Raja, Shilpa N., Bekenstein, Yehonadav, Koc, Matthew A., Fischer, Stefan, Zhang, Dandan, Lin, Liwei, Ritchie, Robert O., Yang, Peidong, and Alivisatos, A. Paul. Tue .
"Encapsulation of Perovskite Nanocrystals into Macroscale Polymer Matrices: Enhanced Stability and Polarization". United States. https://doi.org/10.1021/acsami.6b09443. https://www.osti.gov/servlets/purl/1532212.
@article{osti_1532212,
title = {Encapsulation of Perovskite Nanocrystals into Macroscale Polymer Matrices: Enhanced Stability and Polarization},
author = {Raja, Shilpa N. and Bekenstein, Yehonadav and Koc, Matthew A. and Fischer, Stefan and Zhang, Dandan and Lin, Liwei and Ritchie, Robert O. and Yang, Peidong and Alivisatos, A. Paul},
abstractNote = {Lead halide perovskites hold promise for photonic devices, due to their superior optoelectronic properties. However, their use is limited by poor stability and toxicity. We demonstrate enhanced water and light stability of high-surface-area colloidal perovskite nanocrystals by encapsulation of colloidal CsPbBr3 quantum dots into matched hydrophobic macroscale polymeric matrices. This is achieved by mixing the quantum dots with presynthesized high-molecular-weight polymers. In this work, we monitor the photoluminescence quantum yield of the perovskite-polymer nanocomposite films under water-soaking for the first time, finding no change even after >4 months of continuous immersion in water. Furthermore, photostability is greatly enhanced in the macroscale polymer-encapsulated nanocrystal perovskites, which sustain >1010 absorption events per quantum dot prior to photodegradation, a significant threshold for potential device use. Control of the quantum dot shape in these thin-film polymer composite enables color tunability via strong quantum-confinement in nanoplates and significant room temperature polarized emission from perovskite nanowires. Not only does the high-molecular-weight polymer protect the perovskites from the environment but also no escaped lead was detected in water that was in contact with the encapsulated perovskites for months. In conclusion, our ligand-passivated perovskite-macroscale polymer composites provide a robust platform for diverse photonic applications.},
doi = {10.1021/acsami.6b09443},
journal = {ACS Applied Materials and Interfaces},
number = 51,
volume = 8,
place = {United States},
year = {Tue Dec 06 00:00:00 EST 2016},
month = {Tue Dec 06 00:00:00 EST 2016}
}
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journal, February 2019
- Fu, Yu; He, Xianghong; Hu, Jiapei
- Materials Research Express, Vol. 6, Issue 5
Facile in situ synthesis of stable luminescent organic–inorganic lead halide perovskite nanoparticles in a polymer matrix
journal, January 2017
- Xi, Lifei; Boothroyd, Chris B.; Salim, Teddy
- Journal of Materials Chemistry C, Vol. 5, Issue 29
Photoelectrochemical immunoassay of aflatoxin B 1 in foodstuff based on amorphous TiO 2 and CsPbBr 3 perovskite nanocrystals
journal, January 2019
- Su, Lingshan; Tong, Ping; Zhang, Lijia
- The Analyst, Vol. 144, Issue 16
Stability of Sn based inorganic perovskite quantum dots
journal, September 2019
- Pradeep, K. R.; Chakraborty, Saptarshi; Viswanatha, Ranjani
- Materials Research Express, Vol. 6, Issue 11
In situ synthesis and macroscale alignment of CsPbBr 3 perovskite nanorods in a polymer matrix
journal, January 2018
- He, Juan; Towers, Andrew; Wang, Yanan
- Nanoscale, Vol. 10, Issue 33
Electrospraying the Triblock Copolymer SEBS: The Effect of Solvent System and the Embedding of Quantum Dots
journal, December 2019
- Koekoekx, Robin; Zawacka, Natalia C.; Van den Mooter, Guy
- Macromolecular Materials and Engineering, Vol. 305, Issue 2
Amplified Spontaneous Emission Threshold Reduction and Operational Stability Improvement in CsPbBr3 Nanocrystals Films by Hydrophobic Functionalization of the Substrate
text, January 2019
- L., De Giorgi, Maria; Franziska, Krieg,; V., Kovalenko, Maksym
- ETH Zurich
Perovskite Nanowire Extrusion
journal, October 2017
- Oener, Sebastian Z.; Khoram, Parisa; Brittman, Sarah
- Nano Letters, Vol. 17, Issue 11
All-Inorganic Metal Halide Perovskite Nanocrystals: Opportunities and Challenges
journal, May 2018
- Zhang, Qiao; Yin, Yadong
- ACS Central Science, Vol. 4, Issue 6
Rationalizing and Controlling the Surface Structure and Electronic Passivation of Cesium Lead Halide Nanocrystals
journal, November 2018
- Bodnarchuk, Maryna I.; Boehme, Simon C.; ten Brinck, Stephanie
- ACS Energy Letters, Vol. 4, Issue 1
Nitrate Ion-Incorporated Stable Perovskite Nanocrystals by a Solvent-Free Mechanochemical Reaction
journal, September 2019
- Nim, Gaurav Kumar; Bansal, Parul; Kar, Prasenjit
- ACS Omega, Vol. 4, Issue 13
Microscopic mechanisms of deformation transfer in high dynamic range branched nanoparticle deformation sensors
journal, March 2018
- Raja, Shilpa N.; Ye, Xingchen; Jones, Matthew R.
- Nature Communications, Vol. 9, Issue 1
Innovatively Continuous Mass Production Couette-taylor Flow: Pure Inorganic Green-Emitting Cs4PbBr6 Perovskite Microcrystal for display technology
journal, January 2018
- Song, Young Hyun; Choi, Seung Hee; Park, Won Kyu
- Scientific Reports, Vol. 8, Issue 1
Amplified Spontaneous Emission Threshold Reduction and Operational Stability Improvement in CsPbBr3 Nanocrystals Films by Hydrophobic Functionalization of the Substrate
journal, November 2019
- De Giorgi, Maria Luisa; Krieg, Franziska; Kovalenko, Maksym V.
- Scientific Reports, Vol. 9, Issue 1
Perovskite nanowire–block copolymer composites with digitally programmable polarization anisotropy
journal, May 2019
- Zhou, Nanjia; Bekenstein, Yehonadav; Eisler, Carissa N.
- Science Advances, Vol. 5, Issue 5
Water-Borne Perovskite Quantum Dot-Loaded, Polystyrene Latex Ink
journal, October 2018
- Huang, Keke; Peng, Lucheng; Liu, Baijun
- Frontiers in Chemistry, Vol. 6
Advances in the Stability of Halide Perovskite Nanocrystals
journal, November 2019
- Liu, Maning; Matuhina, Anastasia; Zhang, Haichang
- Materials, Vol. 12, Issue 22
Microcarrier-Assisted Inorganic Shelling of Lead Halide Perovskite Nanocrystals
text, January 2019
- N., Dirin, Dmitry; M., Benin, Bogdan; Sergii, Yakunin,
- ETH Zurich