Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 60, Issue 18, Pages 9931-9935Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202100356
Keywords
bionic proton nanochannels; electrical device; metal-organic framework; proton transport; thin film
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Funding
- National Natural Science Foundation of China [21822109, 21773245, 2020000052]
- Key Research Program of Frontier Science, CAS [QYZDB-SSW-SLH023]
- International Partnership Program of CAS [121835KYSB201800]
- Strategic Priority Research Program of CAS [XDB20000000]
- Natural Science Foundation of Fujian Province [2017J05094]
- China Post-doctoral Science Foundation [2019M662254]
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By utilizing MOF chemistry, a highly oriented CuTCPP thin film with abundant two-dimensional interstitial hydrophobic nanochannels has been successfully reconstructed for bionic devices, representing a new type of active-layer material for proton transport in nanochannels. This design strategy demonstrates a powerful approach for mimicking the structure and properties of bio-systems and constructing bionic electrical devices.
The construction of hydrophobic nanochannel with hydrophilic sites for bionic devices to proximally mimick real bio-system is still challenging. Taking the advantages of MOF chemistry, a highly oriented CuTCPP thin film has been successfully reconstructed with ultra-thin nanosheets to produce abundant two-dimensional interstitial hydrophobic nanochannels with hydrophilic sites. Different from the classical active-layer material with proton transport in bulk, CuTCPP thin film represents a new type of active-layer with proton transport in nanochannel for bionic proton field-effect transistor (H+-FETs). The resultant device can reversibly modulate the proton transport by varying the voltage on its gate electrode. Meanwhile, it shows the highest proton mobility of approximate to 9.5x10(-3) cm(2) V-1 s(-1) and highest on-off ratio of 4.1 among all of the reported H+-FETs. Our result demonstrates a powerful material design strategy for proximally mimicking the structure and properties of bio-systems and constructing bionic electrical devices.
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