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Organic semiconductors

Simulation of charge transport in organic semiconductors: a time dependent multiscale method based on nonequilibrium Green's functions

Simulation of charge transport in organic semiconductors: a time dependent multiscale method based on nonequilibrium Green's functions

... in organic semiconductors is both of fundamental interest in condensed-matter physics and a prerequisite for applications, which range from solar cells and organic light-emitting devices or sensors ...

6

Oxygen, sulfur and selenium terminated single-walled heterocyclic carbon nanobelts (SWHNBs) as potential 3D organic semiconductors

Oxygen, sulfur and selenium terminated single-walled heterocyclic carbon nanobelts (SWHNBs) as potential 3D organic semiconductors

... The development of a detailed understanding of structure-property relationships will help current and future synthetic efforts, particularly for the selection of the target and device combinations in organic ...

16

Design of linear and star shaped macromolecular organic semiconductors for photonic applications

Design of linear and star shaped macromolecular organic semiconductors for photonic applications

... of organic semiconductors for photonic ...in organic lasers, owing to their synthetic tunability, photo- physical properties, and polymer-like ...pumped organic lasers, powered by a commercial ...

10

n type doping of organic semiconductors : immobilization via covalent anchoring

n type doping of organic semiconductors : immobilization via covalent anchoring

... In this work, we detail the synthesis of o -AzBnO-DMBI, a derivative of the literature known o-MeO-DMBI. An azidophenyl group is introduced to DMBI by etheri fi cation of salicylaldehyde employing 1-azido-4-(bromomethyl)- ...

9

Developing Non-Invasive Processing Methodology And Understanding the Properties Of Spin Coated Organic Semiconductors for Organic Thin Film Transistors with Polymeric Gate Dielectric

Developing Non-Invasive Processing Methodology And Understanding the Properties Of Spin Coated Organic Semiconductors for Organic Thin Film Transistors with Polymeric Gate Dielectric

... In the near future we will focus our investigation on low deposition rates (<1 nm/min) and moderate substrate temperature (>100 °C), expecting an improvement in the CuPc film properties and, consequently, in the ...

6

Electronic Properties and Langmuir-Blodgett Films of Discotic Organic Semiconductors

Electronic Properties and Langmuir-Blodgett Films of Discotic Organic Semiconductors

... Objective of this study is the measurement and prediction of the effect of structural changes on the electronic properties of discotic liquid crystals (DLCs), an emerging class of organic semiconductors. ...

261

Realizing Advanced Thin Film Micro-Electronics: Development of Corrugated Thermoelectric Generators and Stretchable Organic Semiconductors.

Realizing Advanced Thin Film Micro-Electronics: Development of Corrugated Thermoelectric Generators and Stretchable Organic Semiconductors.

... 88 characteristics. At the 75% strain limit, the charge mobility remains consistent for charge transport parallel and perpendicular to the strain direction. At the 10% strain limit, the charge mobility drops slightly ...

151

Modelling charge transport in organic semiconductors : from quantum dynamics to soft matter

Modelling charge transport in organic semiconductors : from quantum dynamics to soft matter

... molecular semiconductors the parameters governing charge transport may be determined from quantum mechanical ...molecular organic semiconductors in the crystalline phase the explora- tion of the ...

12

Importance and nature of short range excitonic interactions in light harvesting complexes and organic semiconductors

Importance and nature of short range excitonic interactions in light harvesting complexes and organic semiconductors

... In organic semiconductors, where the most important couplings are between molecules in contact, it is important to know whether the dominant interaction is still Coulombic, ...

22

Voltammetric Investigation for Electron-Transfer Characteristics of Organic Semiconductors

Voltammetric Investigation for Electron-Transfer Characteristics of Organic Semiconductors

... representative organic semiconductors was successfully estimated by the CV measurement, and the electron-transfer kinetics including diffusion coefficients (D o ), electron-transfer rate constants (k o ’) ...

9

Investigations of Nanoscale Variations in Spin and Charge Transport in Manganites and Organic Semiconductors Using Spin Polarized Scanning Tunneling Spectroscopy

Investigations of Nanoscale Variations in Spin and Charge Transport in Manganites and Organic Semiconductors Using Spin Polarized Scanning Tunneling Spectroscopy

... The choice of thin-film growth techniques depends sensitively on the nature of the material to be deposited and the intended applications of the resulting thin films. For the investigation of intrinsic physical ...

123

Study of Electrical Characteristics of Some Organic
Semiconductors for Light-emitting
and Photovoltaic devices

Study of Electrical Characteristics of Some Organic Semiconductors for Light-emitting and Photovoltaic devices

... Organic semiconductors are at the top of the considerable interest due to the possibility to make electronic devices on flexible materials (for example plastic or paper) using cheap technological processes ...

12

Flexible Electronics Based on Solution Processable Organic Semiconductors and Colloidal Semiconductor Nanocrystals

Flexible Electronics Based on Solution Processable Organic Semiconductors and Colloidal Semiconductor Nanocrystals

... In the second part of the thesis, we introduce colloidal CdSe nanocrystals (NCs) as solution-processable "inks" of semiconductor thin film devices. By strongly coupling and doping the CdSe NC thin films, we ...

127

Organic Semiconductors

Organic Semiconductors

... The importance of charge transport layers in the development of inverted bulk heterojunction polymer solar cells is the focus of [24] and the intrinsic bulk electron-phonon interaction and the behavior of mobility in the ...

13

A saturated red color converter for visible light communication using a blend of star shaped organic semiconductors

A saturated red color converter for visible light communication using a blend of star shaped organic semiconductors

... The measured 3 dB modulation bandwidth of blends ~ 55 MHz and data rate > 200 Mbits/s are significantly higher than the commercially available phosphor LED and previously reported red-em[r] ...

13

Liewald, Clemens
  

(2018):


	Microscopy and nanoscopy of organic semiconductors for structural and electronic analysis.


Dissertation, LMU München: Fakultät für Physik

Liewald, Clemens (2018): Microscopy and nanoscopy of organic semiconductors for structural and electronic analysis. Dissertation, LMU München: Fakultät für Physik

... modification, organic materials can either show a de-wetting behavior with separated islands, or form closed and smooth films [ 11 ...Furthermore, organic films can show polymor- phism, the presence of ...

180

Obstacles for Carrier Transport in Organic Semiconductors: Study of Dynamic Disorder and Morphological Degradation.

Obstacles for Carrier Transport in Organic Semiconductors: Study of Dynamic Disorder and Morphological Degradation.

... Among all defects leading to structural disorder, domain boundaries are highlighted in many research efforts [10, 11, 12] and their impact can be tuned by different growth [13, 14] and processing conditions [15, 16]. The ...

145

Scanning Probe Microscopy of Intrinsic and Extrinsic Disorder in Organic Semiconductors.

Scanning Probe Microscopy of Intrinsic and Extrinsic Disorder in Organic Semiconductors.

... study organic films of thicknesses larger than a few layers, scanning tunneling microscopy is not applicable due to low conductivity that will not allow stable tunneling currents (see chapter 2 for experimental ...

151

Quantitative electrical characterisation of organic semiconductors by atomic force microscopy

Quantitative electrical characterisation of organic semiconductors by atomic force microscopy

... in semiconductors, where the doping profiles can be mapped [181, 182, 183, 184, ...of organic photovoltaics, and has the ability to image the local photovoltaic properties of heterojunctions [186, 176, 187, ...

212

Investigation of organic / ferromagnet interface and magnetoresistive characteristics of small molecule organic semiconductors

Investigation of organic / ferromagnet interface and magnetoresistive characteristics of small molecule organic semiconductors

... the organic barrier and m etal layer im proves the electron injection efficiency into the organic layer by reducing the injection barrier ...oreover, organic m aterials tend chem ically to react with ...

214

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