1. Exploring the capabilities of scanning microwave microscopy to characterize semiconducting polymers
- Author
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Olivier Douhéret, David Moerman, Didier Theron, MateriaNova Research Center (MNRS), Université de Mons-Hainaut, Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), Nano and Microsystems - IEMN (NAM6 - IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), PCMP CHOP, ANR-11-EQPX-0015,Excelsior,Centre expérimental pour l'étude des propriétés des nanodispositifs dans un large spectre du DC au moyen Infra-rouge.(2011), and European Project: 761036,H2020-NMBP-2017-two-stage,MMAMA(2017)
- Subjects
Materials science ,Solid-state physics ,Capacitive sensing ,02 engineering and technology ,Dielectric ,010402 general chemistry ,lcsh:Technology ,01 natural sciences ,[SPI.MAT]Engineering Sciences [physics]/Materials ,lcsh:Chemistry ,[SPI]Engineering Sciences [physics] ,Microscopy ,General Materials Science ,lcsh:QH301-705.5 ,Instrumentation ,Nanoscopic scale ,Fluid Flow and Transfer Processes ,Mesoscopic physics ,lcsh:T ,business.industry ,Process Chemistry and Technology ,scanning microwave microscopy ,General Engineering ,021001 nanoscience & nanotechnology ,lcsh:QC1-999 ,0104 chemical sciences ,Computer Science Applications ,charge transport ,Interferometry ,lcsh:Biology (General) ,lcsh:QD1-999 ,lcsh:TA1-2040 ,Optoelectronics ,organic photovoltaics ,Mach-Zehnder interferometer detection unit ,lcsh:Engineering (General). Civil engineering (General) ,0210 nano-technology ,business ,lcsh:Physics ,Microwave - Abstract
International audience; Standing at the meeting between solid state physics and optical spectroscopy, microwave characterization methods are efficient methods to probe electronic mechanisms and mesoscopic transport in semiconducting polymers. Scanning microwave microscopy, augmented with a Mach-Zehnder interferometer detection unit to allow for the probing of high impedance structures was applied on poly(3-hexylthiophene-2,5-diy) and exhibited high sensitivity while operating at the nanoscale. Provided a well-defined experiment protocol, S 11 phase and amplitude signals are shown to lead simultaneously yet independently to probing the variations of the dielectric properties in the materials, i.e., conductive and capacitive properties, respectively, upon applied DC gate bias. Adjusting the operating microwave frequency can also serve to probe carrier trapping mechanisms.
- Published
- 2020