Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 8, Issue 26, Pages 13197-13206Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ta04939e
Keywords
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Funding
- National Council of Science and Technology-Mexico (CONACYT) [526108, MAT2017-86450-C4-3-R, 201950E057]
- EPSRC [EP/K009877/1, EP/K00509X/1] Funding Source: UKRI
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The electrical conductivity and porosity of the 2-dimensional metal-organic framework Cu-3(2,3,6,7,10,11-hexahydroxytriphenylene)(2)[Cu-3(HHTP)(2)] make it a promising candidate for thermoelectric applications. In this work, we report the electrochemical synthesis of Cu-3(HHTP)(2)films by an anodization approach and an evaluation of its thermoelectric properties. The electrochemically synthesised Cu-3(HHTP)(2)thin films were transferred using a wet chemical method in order to perform electrical measurements. We are reporting the first thermoelectric measurements of this framework both in bulk and thin film form which resulted in Seebeck coefficients of -7.24 mu V K(-1)and -121.4 mu V K(-1)with a power factor of 3.15 x 10(-3)mu W m(-1)for the film respectively. The negative Seebeck coefficients suggest that Cu-3(HHTP)(2)behaves as an n-type semiconductor. Since the introduction of conductive MOFs in electronic devices is at an early stage of development, we believe this work validates the use of electrochemical synthetic routes of conducting MOFs to further investigate and expand their applications in thin film technologies.
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