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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202201630
|2 doi
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|a pubmed24n1137.xml
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|a eng
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| 100 |
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|a Chen, Yulong
|e verfasserin
|4 aut
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|a 2D Transition Metal Dichalcogenide with Increased Entropy for Piezoelectric Electronics
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|c 2022
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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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|a Date Revised 01.12.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Piezoelectricity in 2D transition metal dichalcogenides (TMDs) has attracted considerable interest because of their excellent flexibility and high piezoelectric coefficient compared to conventional piezoelectric bulk materials. However, the ability to regulate the piezoelectric properties is limited because the entropy is constant for certain binary TMDs other than multielement ones. Herein, in order to increase the entropy, a ternary TMDs alloy, Mo1- x Wx S2 , with different W concentrations, is synthesized. The W concentration in the Mo1- x Wx S2 alloy can be controlled precisely in the low-supersaturation synthesis and the entropy can be tuned accordingly. The Mo0.46 W0.54 S2 alloy (x = 0.54) has the highest configurational entropy and best piezoelectric properties, such as a piezoelectric coefficient of 4.22 pm V-1 and a piezoelectric output current of 150 pA at 0.24% strain. More importantly, it can be combined into a larger package to increase the output current to 600 pA to cater to self-powered applications. Combining with excellent mechanical durability, a mechanical sensor based on the Mo0.46 W0.54 S2 alloy is demonstrated for real-time health monitoring
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|a Journal Article
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|a 2D alloys
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|a entropy
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|a nanogenerators
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|a piezoelectricity
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|a sensors
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1 |
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|a Tian, Ziao
|e verfasserin
|4 aut
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|a Wang, Xiang
|e verfasserin
|4 aut
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| 700 |
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|a Ran, Nian
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|4 aut
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|a Wang, Chen
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|4 aut
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|a Cui, Anyang
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|4 aut
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|a Lu, Huihui
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|4 aut
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|a Zhang, Miao
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|4 aut
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|a Xue, Zhongying
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|4 aut
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| 700 |
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|a Mei, Yongfeng
|e verfasserin
|4 aut
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|a Chu, Paul K
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Jianjun
|e verfasserin
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|a Hu, Zhigao
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|a Di, Zengfeng
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 48 vom: 19. Dez., Seite e2201630
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|g volume:34
|g year:2022
|g number:48
|g day:19
|g month:12
|g pages:e2201630
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|u http://dx.doi.org/10.1002/adma.202201630
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