Publication

A charge carrier transport model for donor-acceptor blend layers

Related publications (34)

Polarity-Controllable Devices and Circuits for Doping-Free 2D Electronics

The growth of information technology has been sustained by the miniaturization of Complementary Metal-Oxide-Semiconductor (CMOS) Field-Effect Transistors (FETs), with the number of devices per unit area constantly increasing, as exemplified by Mooreâs la ...

EPFL2019

Long-lived Photo-Charges in 1D Helical Organic Semiconductor Nanostructures

Regina Judith Hafner

The formation of photoexcited states in organic semiconductors, their separation into long-lived or stable charge carriers, as well as the charge transport are critical processes relevant to several important research fields and emerging technologies. Whil ...

EPFL2018

Doping-free complementary inverter enabled by 2D WSe2 electrostatically-doped reconfigurable transistors

Giovanni De Micheli, Giovanni Vincenzo Resta, Pierre-Emmanuel Julien Marc Gaillardon

Amongst 2-dimensional (2D) semiconductors of the transition-metal di-chalcogenide (TMDC) family [1], tungsten diselenide (WSe2) has shown ambipolar behavior [2], [3] coupled with high carrier mobility [4] and CMOS-like devices have been experimentally demo ...

IEEE2018

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Atomically thin two-dimensional (2D) materials belonging to transition metal dichalcogenides, due to their physical and electrical properties, are an exceptional vector for the exploration of next-generation semiconductor devices. Among them, due to the po ...

2018

Defect chemistry of methylammonium lead iodide

Alessandro Senocrate

The present work deals with the defect chemistry and charge transport properties in halide perovskites, and in particular in the archetypal methylammonium lead iodide. These materials are extensively researched due to their very promising application as li ...

EPFL2018

Dynamics of Electronic and Ionic Charges in Cyanine Organic Semiconductor Devices

Sandra Christina Jenatsch

Organic semiconductor materials have been widely applied in optoelectronic devices to replace their inorganic counterparts and explore new fields of applications. Due to their high extinction coefficients, chemical tunability and solubility, cyanine dyes a ...

EPFL2017

Polarity control in WSe2 double-gate transistors

Giovanni De Micheli, Giovanni Vincenzo Resta, Pierre-Emmanuel Julien Marc Gaillardon

As scaling of conventional silicon-based electronics is reaching its ultimate limit, considerable effort has been devoted to find new materials and new device concepts that could ultimately outperform standard silicon transistors. In this perspective two-d ...

Nature Publishing Group2016

Increased Photoconductivity Lifetime in GaAs Nanowires by Controlled n-Type and p-Type Doping

Anna Fontcuberta i Morral, Federico Matteini, Alberto Casadei, Fauzia Jabeen

Controlled doping of GaAs nanowires is crucial for the development of nanowire-based electronic and optoelectronic devices. Here, we present a noncontact method based on time resolved terahertz photoconductivity for assessing n- and p-type doping efficienc ...

American Chemical Society2016

Doping Evolution and Junction Formation in Stacked Cyanine Dye Light-Emitting Electrochemical Cells

Roland Hany, Lei Wang, Beat Ruhstaller, Matia Bulloni

Cyanine dyes are fluorescent organic salts with intrinsic conductivity for ionic and electronic charges. Recently (J. Am. Chem. Soc. 2013, 135, 18008-18011), these features have been exploited in cyanine light-emitting electrochemical cells (LECs). Here, w ...

Amer Chemical Soc2016

Modulation Doping of GaAs/AlGaAs Core-Shell Nanowires With Effective Defect Passivation and High Electron Mobility

Anna Fontcuberta i Morral, Federico Matteini, Alberto Casadei, Sonia Conesa Boj, Francesca Amaduzzi, Fauzia Jabeen

Reliable doping is required to realize many devices based on semiconductor nanowires. Group IIIV nanowires show great promise as elements of high-speed optoelectronic devices, but for such applications it is important that the electron mobility is not comp ...

American Chemical Society2015

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