Emergent Interface in Heterostructured Thin Films of Cu(II) and Cu(I) Coordination Polymers
| Autor: | Nirmalya Ballav, Pooja Sindhu, Shammi Rana, Anupam Prasoon |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
chemistry.chemical_classification
Fabrication Materials science Oxide Heterojunction 02 engineering and technology Substrate (electronics) Polymer 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Redox 0104 chemical sciences Crystallography Tetragonal crystal system chemistry.chemical_compound chemistry General Materials Science Physical and Theoretical Chemistry Thin film 0210 nano-technology |
| Zdroj: | The Journal of Physical Chemistry Letters. 11:6242-6248 |
| ISSN: | 1948-7185 |
| Popis: | In this work we report fabrication of high-quality AB- and BA-type heterostructured thin films of cubic Cu(II) (A-type) and tetragonal Cu(I) (B-type) coordination polymers (CPs) on the functionalized Au substrate by the layer-by-layer method. Successful growth of Cu(I)-CP on top of Cu(II)-CP was assigned to be due to the interfacial reduction reaction (IRR). Notably, electrical transport measurements across AB- and BA-type heterostructured thin films revealed rectification of current in opposite directions. We have attributed such an interestingly new observation to the formation of a well-defined interface of Cu(II)-CP and Cu(I)-CP resembling a p-n junction-a hitherto unreported phenomenon that is anticipated to open enormous opportunities for the heterostructured thin films of CPs, likewise celebrated interfaces of oxide heterostructures. |
| Databáze: | OpenAIRE |
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