Bicolour, large area, inkjet-printed metal halide perovskite light emitting diodes
We demonstrate a bicoloured metal halide perovskite (MHP) light emitting diode (LED) fabricated in two sequential inkjet printing steps. By adjusting the printing parameters, we selectively and deliberately redissolve and recrystallize the first printed emissive layer to add a pattern emitting in a...
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| Veröffentlicht in: | Materials horizons 2024-04, Vol.11 (8), p.1989-1996 |
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| container_end_page | 1996 |
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| container_issue | 8 |
| container_start_page | 1989 |
| container_title | Materials horizons |
| container_volume | 11 |
| creator | Schröder, Vincent R. F Fratzscher, Nicolas Zorn Morales, Nicolas Rühl, Daniel Steffen Hermerschmidt, Felix Unger, Eva L List-Kratochvil, Emil J. W |
| description | We demonstrate a bicoloured metal halide perovskite (MHP) light emitting diode (LED) fabricated in two sequential inkjet printing steps. By adjusting the printing parameters, we selectively and deliberately redissolve and recrystallize the first printed emissive layer to add a pattern emitting in a different color. The red light emitting features (on a green light emitting background) have a minimum size of 100 μm and originate from iodide-rich domains in a phase-segregated, mixed MHP. This phase forms between the first layer, a bromide-based MHP, which is partially dissolved by printing, and the second layer, an iodide-containing MHP. With an optimised printing process we can retain the active layer integrity and fabricate bicolour, large area MHP-based LEDs with up to 1600 mm
2
active area. The two emission peaks at 535 nm and 710 nm are well separated and produce a strong visual contrast.
Using a sequential inkjet printing process, we realize bicoloured PeLEDs by selectively dissolving a bromide-based perovskite film with an iodide-based perovskite ink, resulting in red light-emitting features on a green light-emitting background. |
| doi_str_mv | 10.1039/d3mh02025h |
| format | Article |
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2
active area. The two emission peaks at 535 nm and 710 nm are well separated and produce a strong visual contrast.
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2
active area. The two emission peaks at 535 nm and 710 nm are well separated and produce a strong visual contrast.
Using a sequential inkjet printing process, we realize bicoloured PeLEDs by selectively dissolving a bromide-based perovskite film with an iodide-based perovskite ink, resulting in red light-emitting features on a green light-emitting background.</description><subject>Chemical Sciences</subject><subject>Inkjet printing</subject><subject>Kemi</subject><subject>Light emitting diodes</subject><subject>Materialkemi</subject><subject>Materials Chemistry</subject><subject>Metal halides</subject><subject>Natural Sciences</subject><subject>Naturvetenskap</subject><subject>Perovskites</subject><issn>2051-6347</issn><issn>2051-6355</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>D8T</sourceid><recordid>eNpdkctrFEEQxgcxmBBz8a4MeJGQ0erXpPuoiWYDK4Louenprt7tzbzs7lH87-24yQoe6gH146Oqvqp6QeAtAabeOTZsgQIV2yfVCQVBmpYJ8fTQ88vj6iylHQAQxgVIeFYdM8kEa0GcVF8_BDv10xIv6t7EDdYmormow3i3w9zMMYwZXT1gNn29NX1wWM8Yp5_pLmSs-7DZ5hqHkHMYN7ULk8P0vDrypk949lBPq--fPn67WjXrLze3V-_XjeWc5sYb7ryRxFIPBIhH4sSl6tAKUpJhljpFFDjJgLquU0YyCZIz5ltFTLngtFrvddMvnJdOl2UHE3_ryQTdL3OJroROqA0Qx6S1mlAhNffcaCUNatu21nnFPHhb5N7s5eY4_VgwZT2EZLHvzYjTkjRVtBX3T4WCvv4P3ZUPjuVYzYAzAgpEW6jzPWXjlFJEf9iQgL73Tl-zz6u_3q0K_OpBcukGdAf00akCvNwDMdnD9J_57A9diZ0w</recordid><startdate>20240422</startdate><enddate>20240422</enddate><creator>Schröder, Vincent R. 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2
active area. The two emission peaks at 535 nm and 710 nm are well separated and produce a strong visual contrast.
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| identifier | ISSN: 2051-6347 |
| ispartof | Materials horizons, 2024-04, Vol.11 (8), p.1989-1996 |
| issn | 2051-6347 2051-6355 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_D3MH02025H |
| source | SWEPUB Freely available online; Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Chemical Sciences Inkjet printing Kemi Light emitting diodes Materialkemi Materials Chemistry Metal halides Natural Sciences Naturvetenskap Perovskites |
| title | Bicolour, large area, inkjet-printed metal halide perovskite light emitting diodes |
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