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Fabrication of flex...
Fabrication of flexible and freestanding zinc chalcogenide single layers
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Sun, Yongfu (författare)
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Sun, Zhihu (författare)
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Gao, Shan (författare)
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Cheng, Hao (författare)
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Liu, Qinghua (författare)
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Piao, Junyu (författare)
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Yao, Tao (författare)
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Wu, Changzheng (författare)
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- Hu, Shuanglin (författare)
- Uppsala universitet,Strukturkemi
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Wei, Shiqiang (författare)
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Xie, Yi (författare)
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(creator_code:org_t)
- 2012-09-11
- 2012
- Engelska.
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Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 3, s. 1057-
- Relaterad länk:
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Inorganic graphene analogues (IGAs) are a conceptually new class of materials with attractive applications in next-generation flexible and transparent nanodevices. However, their species are only limited to layered compounds, and the difficulty in extension to non-layered compounds hampers their widespread applicability. Here we report the fabrication of large-area freestanding single layers of non-layered ZnSe with four-atomic thickness, using a strategy involving a lamellar hybrid intermediate. Their surface distortion, revealed by means of synchrotron radiation X-ray absorption fine structure spectroscopy, is shown to give rise to a unique electronic structure and an excellent structural stability, thus determining an enhanced solar water splitting efficiency and photostability. The ZnSe single layers exhibit a photocurrent density of 2.14 mA cm(-2) at 0.72 V versus Ag/AgCl under 300 W Xe lamp irradiation, 195 times higher than that of bulk counterpart. This work opens the door for extending atomically thick IGAs to non-layered compounds and holds promise for a wealth of innovative applications.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
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- Av författaren/redakt...
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Sun, Yongfu
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Sun, Zhihu
-
Gao, Shan
-
Cheng, Hao
-
Liu, Qinghua
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Piao, Junyu
-
visa fler...
-
Yao, Tao
-
Wu, Changzheng
-
Hu, Shuanglin
-
Wei, Shiqiang
-
Xie, Yi
-
visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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Nature Communica ...
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Uppsala universitet