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|a 10.1021/acs.langmuir.2c03008
|2 doi
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|a pubmed24n1173.xml
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|a (NLM)36689688
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Meng, Ke-Juan
|e verfasserin
|4 aut
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|a Graphene Oxide-Intercalated Tetrazole-Based Coordination Polymers
|b Thermally Stable Hybrid Energetic Crystals with Enhanced Photosensitivity
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.02.2023
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|a Date Revised 07.02.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a High-energy-density photosensitive pyrotechnics with good thermal stability have been in increasing demand in recent years. In this paper, graphene oxide (GO)-intercalated energetic coordination polymers (ECPs) are prepared with improved thermostability but great photosensitivity by using high nitrogen compounds azotetrazole (AT) and 5,5'-bistetrazole-1,1'-diolate dehydrate (BTO) as ligands. The decomposition activation energy (Ea) of Cu-AT has been increased from 135.7 to 151.9 kJ·mol-1 after intercalating 5 wt% GO, and in the meantime, the exothermic peak temperature (Tp) was increased by 12.6 °C. However, the decomposition Ea of Cu-BTO decreased under the effect of the same amount of GO with little effect on Tp. This confirms that GO has stabilization effects on the Cu-AT crystal, whereas the catalytic effects on Cu-BTO would dominate after dehydration with its crystal lattice collapse. Also, when the content of GO was 3%, the resultant GO0.03-Cu-AT exhibits a higher density (2.88 g·cm-3) and good thermostability (Tp = 293.7 °C). This ECP shows excellent low-energy laser ignition performance, which can be ignited with an energy of less than 1 mJ at a wavelength of 976 nm. Low-energy laser initiation is considered to be a safer but more reliable method than the traditional electrical-based ones
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|a Journal Article
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|a Yang, Sulan
|e verfasserin
|4 aut
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|a Yu, Minghui
|e verfasserin
|4 aut
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|a Lu, Feipeng
|e verfasserin
|4 aut
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|a He, Aifeng
|e verfasserin
|4 aut
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|a Yan, Qi-Long
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 5 vom: 07. Feb., Seite 1957-1967
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:39
|g year:2023
|g number:5
|g day:07
|g month:02
|g pages:1957-1967
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|u http://dx.doi.org/10.1021/acs.langmuir.2c03008
|3 Volltext
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