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250508s2025 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202420043
|2 doi
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|a pubmed25n1362.xml
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|a (DE-627)NLM38442757X
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|a (NLM)39962840
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Liu, Heng
|e verfasserin
|4 aut
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|a Interfacial π-Electron Cloud Extension and Charge Transfer Between Preferable Single-Crystalline Conjugated MOFs and Graphene for Ultrafast Pulse Generation
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|c 2025
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 02.04.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2025 Wiley‐VCH GmbH.
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|a 2D conjugated metal-organic frameworks (MOFs) have attracted significant attention in various fields due to their outstanding characteristics. However, due to the strong interlayer π-π stacking interactions, the preparation of high-quality and atomic-scale single-crystalline conjugated MOF structures continues to pose a significant challenge. The investigation of its nonlinear optical (NLO) property and application for ultrafast photonics is still rare. Herein, the ultrathin Cu3(HHTP)2 and Ni3(HHTP)2 (HHTP = 2,3,6,7,10,11-hexahydroxytriphenylene) nanosheets (CuHHTPNs and NiHHTPNs) with single-crystalline characteristic are prepared by surfactant-assisted solution synthesis strategy. Moreover, the π-π stacked CuHHTPNs(NiHHTPNs)/graphene van der Waals heterostructures (CuNsG-VHS and NiNsG-VHS) are achieved by ultrasound-assisted method. According to characterization analyses and theoretical simulations, this preferable stacking ultrathin van der Waals heterostructures exhibits superior π-conjugated electron cloud extension, charge transfer, and NLO properties. Noticeably, the third-order NLO polarizability of CuNsG-VHS keeps in a relatively high level compared with the reported 2D saturable absorber materials in the near-infrared wavelength range. Based on these outstanding properties, CuNsG-VHS can serve as an excellent saturable absorber to achieve fundamental mode-locking with femtosecond pulse duration, and high-order harmonic mode-locking with GHz repetition frequency. These demonstrations provide a valuable strategy for the development of promising conjugated MOFs for ultrafast photonics and advanced optoelectronic devices
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|a Journal Article
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|a NLO properties
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4 |
|a conjugated MOFs
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| 650 |
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4 |
|a harmonic mode‐locking
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| 650 |
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4 |
|a interface charge transfer
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| 650 |
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4 |
|a π‐π stacked heterostructures
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| 700 |
1 |
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|a Ding, Yixin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Yingtian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kuai, Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Jiahao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, He
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lan, Yunping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Zhipeng
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 37(2025), 13 vom: 17. Apr., Seite e2420043
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:37
|g year:2025
|g number:13
|g day:17
|g month:04
|g pages:e2420043
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202420043
|3 Volltext
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