journal article·2023-04

Simultaneous Encapsulation of Mixed‐Halide Perovskite on Synthesis Step Using a Thermally Expandable Lamellar Capsule to Fabricate the Multi‐Conversion Layer

Jung Hyeon Yoo, Seok Bin Kwon, Ho Chan Yoo, Seung Hee Choi, Young Hyun Song, Bong Kyun Kang, Young Soo Seo, Tianyong Li, Yuhua Wang, Dae Ho Yoon

Advanced Optical Materials· Volume 11· Issue 8
Publisher page

Abstract

Abstract Despite the excellent performance of halide perovskite, low stability, and ion exchange between halides have remained obstacles to practical application. Herein, the polymer capsule encapsulated perovskite through the conventional hot‐injection method is reported to overcome the above issues. The residual heat generated during perovskite synthesis is utilized to expand the layer, and the perovskite particles are grown inside the polyethylene capsule. The products are gathered in a powder state, and the whole emission range can be synthesized. The water stability after 6 h soaked in water shows ≈90% and ≈75% for green and red, respectively. Also, due to the suppressed ion exchange, the single multi‐conversion layer for white light generation can be fabricated.
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Research context

OpenAlex topics: Perovskite Materials and Applications · Quantum Dots Synthesis And Properties · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Advanced Materials Science & Engineering Sungkyunkwan University Suwon 16419 Korea

Lighting Materials & Components Research Center Korea Photonics Technology Institute Gwangju 61007 Republic of Korea

Department of Electronic Materials Devices and Equipment Engineering Soonchunhyang University 22 Soonchunhyang‐ro Asan City Chungnam 31538 Republic of Korea

Department of Display Materials Engineering Soonchunhyang University 22 Soonchunhyang‐ro Asan City Chungnam 31538 Republic of Korea

Department of Nanotschnology and Advanced Material Engineering Sejong University 209 Neungdong‐ro Gwangjin‐gu Seoul 05006 Republic of Korea

Department of Materials and Energy National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology Lanzhou University Lanzhou 730000 China

SKKU Advanced Institute of Nanotechnology (SAINT) Sungkyunkwan University (SKKU) Suwon 440–746 Republic of Korea

Funding

National Natural Science Foundation of China · National Research Foundation of Korea · Ministry of SMEs and Startups

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