Highly Conductive and Strongly Emissive Organic Semiconductor Single Crystals for Low-Threshold Lasers and Bright Light-Emitting Transistors - Details

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Abstract：

Organic　semiconductor　single　crystals　(OSSCs)　exhibit　long-range　intermolecular　order　and　low　defect　density　without　grain　boundaries,　therefore　leading　to　superior　carrier　transport　than　organic　thin-films　but　often　weak　emission　due　to　aggregation-caused　quenching.　Here,　ultrathin　2D　plate-like　OSSCs　of　an　anthracene　derivative,　4,4′　–　bis　((E)　-2-　(anthracene-2-yl)　vinyl)　−1,1′　–　biphenyl　(BPVAn)　are　designed　and　synthesized,　which　exhibit　not　only　strong　emission　with　a　photoluminescence　quantum　yield　(PLQY)　of　56%　but　also　balanced　and　high　charge　carrier　mobility　of　µh　=　5.6 cm2 V−1 s−1　and　µe　=　1.3 cm2 V−1 s−1　for　hole　and　electron　transport,　respectively.　Organic　light-emitting　transistors　(OLETs)　based　on　BPVAn　OSSCs　exhibit　strong　and　spatially　controllable　light　emission　within　both　P-　and　N-　conducting　channels,　with　an　external　quantum　efficiency　(EQE)　of　up　to　2.12%　and　a　brightness　of　1115 cd m−2.　In　addition,　OSSC　parallelogram　plates　serve　as　whispering　gallery　mode　(WGM)　micro-resonators　and　exhibit　excellent　laser　characteristics,　with　a　low　threshold　of　4.2 µJ cm−2　and　a　high　quality　(Q)　factor　of　≈1870　at　an　emission　peak　of　503 nm.　These　results　indicate　that　OSSCs　with　excellent　carrier　transport,　electroluminescence,　and　laser　properties　offer　significant　potential　for　the　further　development　of　electrically　injected　organic　semiconductor　lasers　and　optoelectronic　devices.　©　2025　Wiley-VCH　GmbH.

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anthracene derivatives organic lasers organic light-emitting transistors organic semiconductor single crystals

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[ 1 ] [Li Y.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 2 ] [Zhang Y.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 3 ] [Zhao R.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 4 ] [Huang H.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 5 ] [Huang H.]Institute of Molecular Engineering Plus, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 6 ] [Liu X.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 7 ] [Feng Y.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 8 ] [Li J.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 9 ] [Li Y.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 10 ] [Ji Y.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 11 ] [Sun H.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 12 ] [Liao Q.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China
[ 13 ] [Fu H.]Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, China

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Source ：

Advanced Optical Materials

ISSN： 2195-1071

Year： 2025

Issue： 17

Volume： 13

8 . 0 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 3

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