I. A. Hümmelgen

发表

O CLARINETE - UMA I NTRODUÇÃO À A NÁLISE FÍSICA D O I NSTRUMENTO

I. A. Hümmelgen, I. A. Hümmelgen, 1996 .

High open-circuit voltage single-layer polybithiophene-based photovoltaic devices

I. A. Hümmelgen, L. Micaroni, E. L. Leguenza, 2007 .

The current–voltage dependence of nominally undoped thin conjugated polymer films

I. A. Hümmelgen, M. D. Luz, Dongge Ma, 2000 .

Poly(vinyl alcohol) gate dielectric in organic field-effect transistors

I. A. Hümmelgen, A. Nawaz, I. Hümmelgen, 2019, Journal of Materials Science: Materials in Electronics.

A poly(acetoxy-p-phenylene vinylene) based diode with a soft breakdown behaviour

I. A. Hümmelgen, J. Garcia, J. Lima, 2000 .

Hollow carbon spheres and a hollow carbon sphere/polyvinylpyrrolidone composite as ammonia sensors

I. A. Hümmelgen, D. Wamwangi, N. Coville, 2017 .

Electrode material dependent p- or n-like thermoelectric behavior of single electrochemically synthesized poly(2,2′–bithiophene) layer—application to thin film thermoelectric generator

I. A. Hümmelgen, Bin Hu, A. Tavares, 2016, Journal of Solid State Electrochemistry.

Magnetic field release of trapped charges in poly(fluorenylenevinylene)s

Carlos Frederico de Oliveira Graeff, I. A. Hümmelgen, J. Freire, 2007 .

Changing inter-molecular spin-orbital coupling for generating magnetic field effects in phosphorescent organic semiconductors

Carlos Frederico de Oliveira Graeff, I. A. Hümmelgen, M. Shao, 2012 .

Limiting the Oxidation of WS2 Nanostructures by Oleylamine Surface Passivation for Room Temperature NH3 Sensing

I. A. Hümmelgen, M. Moloto, T. Kolokoto, 2020 .

Study of poly(3-hexylthiophene)/cross-linked poly(vinyl alcohol) as semiconductor/insulator for application in low voltage organic field effect transistors

I. A. Hümmelgen, Isidro Cruz-Cruz, A. Benvenho, 2013 .

Electrical and optical properties of poly(2-dodecanoylsulfanyl-p-phenylenevnylene) and its application in electroluminescent devices

L. S. Roman, I. A. Hümmelgen, R. Patyk, 2010 .

Interfacial insertion of a poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) layer between the poly(3-hexyl thiophene) semiconductor and cross-linked poly(vinyl alcohol) insulator layer in organic field-effect transistors

I. A. Hümmelgen, M. Reyes-Reyes, R. López-Sandoval, 2014 .

Performance of hybrid p-type vertical transistors with poly(N-vinylcarbazole) as emitter and the transfer mechanism of charge carriers through the base

I. A. Hümmelgen, Dongge Ma, J. Y. Huang, 2013 .

Understanding the sensing mechanism of carbon nanoparticles: MnO2–PVP composites sensors using in situ FTIR—online LCR meter in the detection of ethanol and methanol vapor

I. A. Hümmelgen, V. Mavumengwana, M. Mamo, 2019, Journal of Materials Science: Materials in Electronics.

Preparation and Characterization of Novel Hybrid Materials Formed from (Ti,Sn)O2 Nanoparticles and Polyaniline

I. A. Hümmelgen, A. Zarbin, M. Meruvia, 2003 .

Electron and hole transport in a green-emitting alternating block copolymer: space-charge-limited conduction with traps

F. E. Karasz, I. A. Hümmelgen, Dongge Ma, 1999 .

Polarized vibrational spectra of Prussian Blue films: Spectroscopic evidence of columnar growth

I. A. Hümmelgen, H. Winnischofer, Marcio Vidotti, 2013 .

Poly(vinyl alcohol) gate dielectric surface treatment with vitamin C for poly(3-hexylthiophene-2,5-diyl) based field effect transistors performance improvement

I. A. Hümmelgen, Arunandan Kumar, A. Nawaz, 2015 .

Modification of the charge transport properties of the copper phthalocyanine/poly(vinyl alcohol) interface using cationic or anionic surfactant for field-effect transistor performance enhancement

I. A. Hümmelgen, M. Koehler, A. Nawaz, 2015 .

Synthesis, properties, and applications of poly( p -phenylene vinylene)S

I. A. Hümmelgen, J. Gruber, R. W. Li, 2001 .

Large current gain and low operational voltage permeable metal-base organic transistors based on Au/Al double layer metal base

I. A. Hümmelgen, Dongge Ma, J. Y. Huang, 2008 .

Hybrid Molecular/Inorganic Semiconductor Transistors in Vertical Architectures

I. A. Hümmelgen, M. Meruvia, I. Hümmelgen, 2006 .

Operation of metallic base transistors with fullerene emitter

I. A. Hümmelgen, A. A. Pasa, W. Schwarzacher, 2006 .

Pseudo-metal-base transistor with high gain

I. A. Hümmelgen, A. A. Pasa, W. Schwarzacher, 2005 .

Organic-metal-semiconductor transistor with high gain

I. A. Hümmelgen, A. A. Pasa, W. Schwarzacher, 2004 .

Interchain luminescence in poly(acetoxy-p-phenylene vinylene)

I. A. Hümmelgen, L. Akcelrud, J. Garcia, 2002 .

Concomitant in Situ FTIR and Impedance Measurements To Address the 2-Methylcyclopentanone Vapor-Sensing Mechanism in MnO2–Polymer Nanocomposites

I. A. Hümmelgen, V. Mavumengwana, V. Okechukwu, 2019, ACS omega.

The use of tin oxide thin films as a transparent electrode in PPV based light-emitting diodes

L. S. Roman, I. A. Hümmelgen, A. Arias, 2000 .

Charge injection and transport in poly(4, 4-biphenylenevinylene)

I. A. Hümmelgen, Dongge Ma, J. Gruber, 2000 .

Bipolar tunnelling injection into single-layer organic light emitting devices : analytical solution using the regional approximation

I. A. Hümmelgen, M. D. Luz, M. Koehler, 2000 .

1,3,4-Oxadiazole based ruthenium amphiphile for Langmuir-Blodgett films and photo-responsive logic gate construction

I. A. Hümmelgen, H. Winnischofer, H. Toma, 2020 .

A novel soluble poly(fluorenylenevinylene) conjugated polymer: synthesis, characterization and application to optoelectronic devices

I. A. Hümmelgen, R. Lessmann, J. Gruber, 2005 .

Performance enhancement of poly(3-hexylthiophene-2,5-diyl) based field effect transistors through surfactant treatment of the poly(vinyl alcohol) gate insulator surface.

I. A. Hümmelgen, A. Nawaz, Rafael Rodrigues, 2015, Physical chemistry chemical physics : PCCP.

Charge injection and transport in electrochemical films of poly(3-hexylthiophene)

I. A. Hümmelgen, L. Micaroni, R. Valaski, 2002 .

Copper phthalocyanine based vertical organic field effect transistor with naturally patterned tin intermediate grid electrode

I. A. Hümmelgen, Isidro Cruz-Cruz, Adan Kvitschal, 2015 .

Vertical structure p-type permeable metal-base organic transistors based on N,N′-diphentyl-N,N′-bis(1-naphthylphenyl)-1,1′-biphenyl-4,4′-diamine

I. A. Hümmelgen, Dongge Ma, J. Y. Huang, 2008 .

High gain in hybrid transistors with BAlq3/Alq3 isotype heterostructure emitter

I. A. Hümmelgen, Dongge Ma, J. Y. Huang, 2008 .

High current density tris(8-hydroxyquinoline) aluminum-based hybrid transistor in vertical architecture

I. A. Hümmelgen, Dongge Ma, Chengang Feng, 2006 .

Electrochemically deposited poly(3-methylthiophene) performance in single layer photovoltaic devices

I. A. Hümmelgen, L. Micaroni, R. Valaski, 2003, The European physical journal. E, Soft matter.

Ambipolar permeable metal-base transistor based on NPB/C60 heterojunction

I. A. Hümmelgen, Dongge Ma, Jinying Huang, 2009 .

Electronic detection of Drechslera sp. fungi in charentais melon ( Cucumis melo Naudin) using carbon-nanostructure-based sensors.

I. A. Hümmelgen, N. Coville, M. Mamo, 2012, Journal of agricultural and food chemistry.

Nitrogen-doped hollow carbon spheres as chemical vapour sensors

I. A. Hümmelgen, N. Coville, B. Mutuma, 2019, New Journal of Chemistry.

Electrical optimization of single-layer light-emitting diodes based on binary organic semiconductor blends

I. A. Hümmelgen, M. D. Luz, A. Gusso, 2005 .

Modeling of organic light-emitting diodes with graded concentration in the emissive multilayer

I. A. Hümmelgen, M. D. Luz, A. Gusso, 2004 .

High gain in hybrid transistors with vanadium oxide/tris(8-hydroxyquinoline) aluminum emitter

I. A. Hümmelgen, Dongge Ma, Chengang Feng, 2007 .

Thin copolymer-cased light-emitting display made with fluorine-foped tin oxide substrates

I. A. Hümmelgen, R. Lessmann, I. Hümmelgen, 2004 .

A conjugated polymer‐based voltage‐regulator device

C. A. Ferreira, I. A. Hümmelgen, A. Arias, 1997 .

Enhancement of P3HT organic photodiodes by the addition of a GaSe9 alloy thin layer

I. A. Hümmelgen, J. Serbena, A. Hoff, 2017 .

Composites of polyvinyl alcohol and carbon (coils, undoped and nitrogen doped multiwalled carbon nanotubes) as ethanol, methanol and toluene vapor sensors.

I. A. Hümmelgen, S. Mhlanga, W. V. van Otterlo, 2011, Journal of nanoscience and nanotechnology.

Efficient organic light-emitting diodes with fluorine-doped tin-oxide anode and electrochemically synthesized sulfonated polyaniline as hole transport layer

I. A. Hümmelgen, R. Lessmann, Regina M. Q. Mello, 2005 .

Very high magnetocurrent in tris-(8-hydroxyquinoline) aluminum-based bipolar charge injection devices

Wilson José da Silva, I. A. Hümmelgen, A. Yusoff, 2009 .

Physical and chemical characterization of poly(2-bromo-5-hexyloxy-p-phenylenevinylene) and poly(5,5′-dibromo-2,2′-bis-hexyloxy-4,4′-biphenylenevinylene)—comparison to related polymers

I. A. Hümmelgen, R. Lessmann, Regina M. Q. Mello, 2006 .

Considerations about the electrochemical estimation of the ionization potential of conducting polymers

I. A. Hümmelgen, L. Micaroni, F. Nart, 2002 .

Poly(Vinyl Alcohol) Gate Dielectric Treated With Anionic Surfactant in C60 Fullerene-Based n-Channel Organic Field Effect Transistors

I. A. Hümmelgen, A. Nawaz, C. D. Col, 2016 .

Colloidal InSe nanostructures: Effect of morphology on their chemical sensitivity to methanol and formaldehyde fumes

I. A. Hümmelgen, M. Moloto, N. Moloto, 2016 .

SeP hole injection layer for devices based on organic materials

I. A. Hümmelgen, J. Serbena, K. D. Machado, 2014 .

High mobility organic field-effect transistors based on defect-free regioregular poly(3-hexylthiophene-2,5-diyl)

I. A. Hümmelgen, Ashok Kumar, A. Pal, 2016 .

Electronic and optical properties of amorphous GaSe thin films

I. A. Hümmelgen, J. Serbena, K. D. Machado, 2016, Journal of Materials Science: Materials in Electronics.

Giant Seebeck coefficient in thin sulfonated polyaniline film based devices

I. A. Hümmelgen, Isidro Cruz-Cruz, Marcelo H. Penteado, 2019, Organic Electronics.

EXAFS investigations on amorphous GaSe9 thin films

I. A. Hümmelgen, J. Serbena, K. D. Machado, 2016 .

Vertical organic field effect transistor using sulfonated polyaniline/aluminum bilayer as intermediate electrode

I. A. Hümmelgen, Regina M. Q. Mello, K. Seidel, 2013, Journal of Materials Science: Materials in Electronics.

Vertical structure permeable-base hybrid transistors based on multilayered metal base for stable electrical characteristics

I. A. Hümmelgen, Z. Wang, Dongge Ma, 2009 .

Sulfonated polyaniline/n-type silicon junctions

Wilson José da Silva, I. A. Hümmelgen, Regina M. Q. Mello, 2009 .

Hybrid vertical architecture transistor with magnetic-field-dependent current amplification as organic magnetocurrent investigation tool

I. A. Hümmelgen, A. Yusoff, I. Hümmelgen, 2009 .

Determination of electron mobility in a blue-emitting alternating block copolymer by space-charge-limited current measurements

F. E. Karasz, I. A. Hümmelgen, X. Jing, 1999 .

Electronic properties of poly(1,4-phenylene methylidynenitrilo-1,4-phenylene nitrilomethylidyne) (PPI)

I. A. Hümmelgen, F. Nart, L. Péres, 1997 .

Preparation and characterization of transparent conducting tin oxide thin film electrodes by chemical vapour deposition from reactive thermal evaporation of SnCl2

I. A. Hümmelgen, A. Arias, Y. P. Yadava, 1997 .

The unstable behaviour of Ag/PPV charge injection contacts

I. A. Hümmelgen, F. Nart, L. Roman, 1996 .

Tin oxide as a transparent electrode material for light-emitting diodes fabricated with poly (p-phenylene vinylene)

I. A. Hümmelgen, A. Arias, F. Nart, 1996 .

A Novel Ferrocene-DOPPV Conjugated Copolymer

I. A. Hümmelgen, J. Gruber, J. Serbena, 2006 .

Photovoltaics based on thin electrodeposited bilayers of poly(3-methylthiophene) and polypyrrole

I. A. Hümmelgen, L. Micaroni, Regina M. Q. Mello, 2004 .

Poly(3-methylthiophene)-based photovoltaic devices prepared onto tin-oxide/sulfonated-polyaniline electrodes

I. A. Hümmelgen, R. Lessmann, L. Micaroni, 2004 .

The electronic behavior of poly(3-octylthiophene) electrochemically synthesized onto Au substrate

I. A. Hümmelgen, L. Micaroni, R. Valaski, 2003 .

All-organic bipolar vertical transistor with sulfonated polyaniline base energy barriers favoring recombination emitter-collector current

I. A. Hümmelgen, A. Tavares, M. Meruvia, 2018 .

Sulfonated polyaniline/poly(3-methylthiophene)-based photovoltaic devices.

I. A. Hümmelgen, L. Micaroni, Regina M. Q. Mello, 2006 .

Experimental and modeling study of low-voltage field-effect transistors fabricated with molecularly aligned copolymer floating films

I. A. Hümmelgen, P. Sonar, A. Nawaz, 2018 .

Naphthalene Containing Poly(urethane‐urea) for Volatile Memory Device Applications

I. A. Hümmelgen, Regina M. Q. Mello, L. Akcelrud, 2002 .

Tin Oxide as a Cathode in Organic Light‐Emitting Diodes

I. A. Hümmelgen, A. Arias, J. Lima, 1998 .

Physical and tribological properties of hard amorphous DLC films deposited on different substrates

V. P. Poliakov, I. A. Hümmelgen, C. M. Lepienski, 2004 .

Charge transport in a blue-emitting alternating block copolymer with a small spacer to conjugated segment length ratio

F. E. Karasz, I. A. Hümmelgen, X. Jing, 2000 .

Hierarchical Nanoflowers of Colloidal WS2 and Their Potential Gas Sensing Properties for Room Temperature Detection of Ammonia

I. A. Hümmelgen, M. Moloto, N. Moloto, 2021, Processes.

Tristimulus mathematical treatment application for monitoring fungi infestation evolution in melon using the electrical response of carbon nanostructure-polymer composite based sensors

I. A. Hümmelgen, A. Bozza, N. Coville, 2013 .

Influence of film thickness on charge transport of electrodeposited polypyrrole thin films

I. A. Hümmelgen, L. Micaroni, R. Valaski, 2002 .

Triple Oleylamine Capped WS2 Sensor Array for Room Temperature Discrimination of Chemical Vapours

I. A. Hümmelgen, Lerato F. E. Machogo, N. Moloto, 2022, 2022 IEEE Sensors.

Naphthalimide-derivative with blue electroluminescence for OLED applications

Lucimara S. Roman, R. Reyes, Ivo A. Hümmelgen, 2015 .

GaN nanostructures-poly(vinyl alcohol) composite based hydrostatic pressure sensor device

I. A. Hümmelgen, B. Mwakikunga, S. Mhlanga, 2013 .

Structural and optical properties of ZnO films produced by a modified ultrasonic spray pyrolysis technique

I. A. Hümmelgen, E. Silveira, K. D. Machado, 2014 .

Electrodeposited p-type magnetic metal-base transistor

Walther Schwarzacher, André A. Pasa, Ivo A. Hümmelgen, 2006 .

Hydrostatic pressure sensor based on carbon sphere – polyvinyl alcohol composites

Neil J. Coville, Messai A. Mamo, Ivo A. Hümmelgen, 2010 .

Low voltage vertical organic field-effect transistor with polyvinyl alcohol as gate insulator

I. A. Hümmelgen, K. Seidel, W. S. Machado, 2011 .

Hybrid metal-base transistor with base of sulfonated polyaniline and fullerene emitter

Wilson José da Silva, I. A. Hümmelgen, Regina M. Q. Mello, 2008 .

p-type metal-base transistor

V. C. Zoldan, I. A. Hümmelgen, A. A. Pasa, 2006 .

Polymer composite of poly(vinyl phenol)-reduced graphene oxide reduced by vitamin C in low energy consuming write-once–read-many times memory devices

I. A. Hümmelgen, N. Coville, M. Mamo, 2013 .

Carbon nanotube–polybithiophene photovoltaic devices with high open‐circuit voltage

I. A. Hümmelgen, A. P. Santos, L. Micaroni, 2007 .

Organic electronic solid state device: electrochemistry of material preparation

I. A. Hümmelgen, I. Hümmelgen, 2017, Journal of Solid State Electrochemistry.

The influence of electrode material on charge transport properties of polypyrrole thin films

I. A. Hümmelgen, L. Micaroni, R. Valaski, 2001 .

Electrochemical preparation of poly(p-phenylene) thin films

I. A. Hümmelgen, Regina M. Q. Mello, J. Serbena, 2003 .

A surfactant dispersed N-doped carbon sphere-poly(vinyl alcohol) composite as relative humidity sensor

I. A. Hümmelgen, N. Coville, M. Mamo, 2015, Journal of Materials Science: Materials in Electronics.

Undoped, nitrogen-doped and boron-doped multiwalled carbon nanotube/poly(vinyl alcohol) composite as active layer in simple hydrostatic pressure sensors

I. A. Hümmelgen, Z. Tetana, N. Coville, 2013, Journal of Materials Science: Materials in Electronics.

Fungi Active Microbial Metabolism Detection of Rhizopus sp. and Aspergillus sp. Section Nigri on Strawberry Using a Set of Chemical Sensors Based on Carbon Nanostructures

I. A. Hümmelgen, N. Coville, M. Zawadneak, 2016 .

Hydrostatic pressure sensors based on carbon spheres dispersed in polyvinyl alcohol prepared using hexadecyltrimethylammonium bromide as surfactant and water as solvent

I. A. Hümmelgen, N. Coville, Rafael Rodrigues, 2014 .

A comparative study on hydrostatic pressure response of sensors based on N-doped, B-doped and undoped carbon-sphere poly (vinyl alcohol) composites

I. A. Hümmelgen, N. Coville, M. Mamo, 2012, Journal of Materials Science: Materials in Electronics.

Charge carrier mobility and electroluminescence in a green-emitting alternating block copolymer with a methoxy bi-substituted chromophore

I. A. Hümmelgen, X. Jing, Dongge Ma, 2000 .

An additional tool towards overcoming absence of specificity of carbon nanostructure-based electrochemical sensors—application to estriol and estradiol detection and distinction

I. A. Hümmelgen, I. Cesarino, 2015, Journal of Solid State Electrochemistry.

CHARGE INJECTION FROM POLYANILINE-POLY (METHYLMETHACRYLATE) BLENDS INTO POLY (P-PHENYLENE VINYLENE)

I. A. Hümmelgen, C. Schreiner, F. Nart, 1998 .

Positive charge transport in an alternating oligo-p-phenylenevinylene-derivative/aliphatic-segment block copolymer

I. A. Hümmelgen, A. Benvenho, 2001 .

Electrical characteristics in unipolar conjugated polymer devices: the case of modified transport properties in the neighbourhood of the top electrode/polymer interface

I. A. Hümmelgen, M. D. Luz, M. Koehler, 2001 .

Carbon nanostructures in organic WORM memory devices

I. A. Hümmelgen, N. Coville, Rafael Rodrigues, 2014 .

Electrochemically Deposited Cobalt Thin Films on p‐Type Silicon and Its Characterization

I. A. Hümmelgen, C. Wisniewski, I. Denicoló, 1995 .

Tunneling through a Metal/Polymer Interface Containing a Thin Oxide Layer: Discussion of the Consequences of Oxide Presence on Charge Injection

I. A. Hümmelgen, M. Koehler, 1998 .

Polymer Solar Cells Using Single-Wall Carbon Nanotubes Modified with Thiophene Pedant Groups

I. A. Hümmelgen, A. Nogueira, C. R. Correia, 2007 .

Determination of electroaffinity and ionization potential of conjugated polymers via Fowler–Nordheim tunneling measurements: Theoretical formulation and application to poly(p‐phenylene vinylene)

I. A. Hümmelgen, F. Nart, L. Péres, 1996 .

Influence of an interfacial cesium oxide thin layer in the performance and internal dynamic processes of GaSe9 solar cells

I. A. Hümmelgen, Isidro Cruz-Cruz, A. Hoff, 2017 .

Simple write-once-read-many-times memory device based on a carbon sphere-poly(vinylphenol) composite

Neil J. Coville, Messai A. Mamo, Ivo A. Hümmelgen, 2010 .

Polymeric electronic oscillators based on bistable conductance devices

I. A. Hümmelgen, J. Freire, R. Toniolo, 2006 .

Regional approximation approach to space charge limited tunneling injection in polymeric devices

I. A. Hümmelgen, M. Koehler, I. Hümmelgen, 2000 .

Charge carrier mobility in electroluminescent alternating block copolymers

F. E. Karasz, I. A. Hümmelgen, Bin Hu, 1999 .

Simple and Fast Organic Device Encapsulation Using Polyisobutene

I. A. Hümmelgen, R. Toniolo, 2004 .

Ultra-high mobility in defect-free poly(3-hexylthiophene-2,5-diyl) field-effect transistors through supra-molecular alignment

I. A. Hümmelgen, Ashok Kumar, A. Nawaz, 2017 .

Polymer-dielectric molecular interactions in defect-free poly(3-hexylthiophene): dependence and consequences of regioregularity on transistor charge transport properties

I. A. Hümmelgen, Anilesh Kumar, M. Koehler, 2017 .

GaxSe10-x based solar cells: Some alternatives for the improvement in their performance parameters

I. A. Hümmelgen, Isidro Cruz-Cruz, A. Hoff, 2019, Solar Energy Materials and Solar Cells.

Ohmic contacts between sulfonated polyaniline and metals

I. A. Hümmelgen, Regina M. Q. Mello, 2001 .

Organic Reversible Switching Devices for Memory Applications

Dongge Ma, Ivo A. Hümmelgen, I. A. Hümmelgen, 2000 .

Charge Injection into Thin Conjugated Polymer Films

I. A. Hümmelgen, M. D. Luz, M. Koehler, 1999 .

Deformation induced deep levels in p-CdTe

I. A. Hümmelgen, W. Schröter, 1993 .

Observation of deep levels associated with dislocations in n-type Hg0.3Cd0.7Te

I. A. Hümmelgen, J. Barbot, C. Blanchard, 1995, Journal of Materials Science.

Surface roughness of electropolymerized polyaniline and sulfonated polyaniline layers

I. A. Hümmelgen, Regina M. Q. Mello, L. F. Martins, 2004 .

Temperature dependent tunnelling current at metal/polymer interfaces—potential barrier height determination

I. A. Hümmelgen, M. Koehler, 1997 .

CAPACITANCE-TRANSIENT-SPECTROSCOPY MODEL FOR DEFECTS WITH TWO CHARGE STATES

E. F. Ferrari, Marlus Koehler, Ivo A. Hümmelgen, 1997 .

Investigation of deep-level defects in conductive polymer on n-type 4H- and 6H-silicon carbide substrates using I-V and deep level transient spectroscopy techniques

I. A. Hümmelgen, M. Henini, E. F. Silva, 2012 .

Hybrid permeable-base transistors based on an indenofluorene derivative.

I. A. Hümmelgen, Z. Wang, J. Serbena, 2006, Small.

An electrochemically synthesized sulfonated polyaniline layer for positive charge carrier injection improvement in conjugated polymer devices

I. A. Hümmelgen, Regina M. Q. Mello, F. Cunha, 2004 .

Polymer and polymer/metal interface characterization via Fowler–Nordheim tunneling measurements

I. A. Hümmelgen, F. Nart, L. Péres, 1996 .

Organic low voltage rewritable memory device based on PEDOT:PSS/f-MWCNTs thin film

I. A. Hümmelgen, E. Segura-Cárdenas, M. Reyes-Reyes, 2012 .