Semiconducting small molecule/polymer blends for organic transistors

  title={Semiconducting small molecule/polymer blends for organic transistors},
  author={Li‐Hui Chou and Yaena Na and Chung Hyoi Park and Min-Soo Park and Itaru Osaka and Felix Sunjoo Kim and Cheng‐Liang Liu},
16 Citations
Organic Semiconductor/Insulator Blends for Elastic Field‐Effect Transistors and Sensors
Organic semiconductors encounter limitations in their practical applicability in future electronics due to their low environmental stability and poor charge carrier mobilities. Blending with
Mixed Ionic and Electronic Conduction in Small-Molecule Semiconductors.
Important classes of p- and n-type small-molecule semiconductors are assessed, structural modifications relevant for mixed conduction and for specific interactions with ionic species are considered, and the outlook of small- molecules semiconductor in the context of organic bioelectronics is discussed.
Flexible Organic Electrolyte-Gated Transistors Based on Thin Polymer Blend Films of Crystalline C8-BTBT and Amorphous PTAA
Thin films of polymer blends consisting of a crystalline small-molecular semiconductor, 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT), and an amorphous polymer semiconductor,
Switching from Electron to Hole Transport in Solution-Processed Organic Blend Field-Effect Transistors
The charge carrier transport of BHJ films in field-effect transistors is switched from electron to hole domination upon processing and post-treatment, and the role of rotation speed, solution temperature, and thermal annealing on thin film morphology is investigated.
Phase segregation mechanisms of small molecule‐polymer blends unraveled by varying polymer chain architecture
As phase separation between the small‐molecule semiconductor and the polymer binder is the key enabler of blend‐based organic field‐effect transistors (OFETs) fabricated by low‐cost solution
Self-Aligned Bilayers for Flexible Free-Standing Organic Field-Effect Transistors
Free-standing and flexible field-effect transistors based on 6,13-bis(triisopropylsilylethynyl)-pentacene (TIPS-pentacenes)/polystyrene bilayers are obtained by well-controlled phase separation of both components, revealing similar charge carrier mobilities as rigid devices and additionally pronounced environmental and bias stress stabilities.
Solution‐Processable Multifused Thiophene Small Molecules and Conjugated Polymer Semiconducting Blend for Organic Field Effect Transistor Application
Three new solution‐processable organic semiconductors (1–3) are synthesized and characterized for p‐type organic field effect transistors (OFETs). The backbone of these small molecules is modified by
Quinoidal Small Molecule Containing Ring-Extended Termini for Organic Field-Effect Transistors
It is successfully demonstrated that the extension of terminal groups into the quinoidal structure should be an effective strategy for constructing narrow band gap and high charge transporting organic semiconductors.
A Solution Processable Dithioalkyl Dithienothiophene (DSDTT) Based Small Molecule and Its Blends for High Performance Organic Field Effect Transistors.
The 3,5-dithiooctyl dithienothiophene based small molecular semiconductor DDTT-DSDTT was synthesized and characterized for organic field effect transistors (OFET) and revealed the presence of intramolecular locks between S(alkyl)···S(thiophene), with a very short S-S distance and a planar core.


Polymer blends with semiconducting nanowires for organic electronics
This article reviews the recent advances in organic electronics based on polymer blends with one-dimensional (1D) nanowires (NWs) of π-conjugated polymers. Self-assembled polymer semiconducting NWs
Solution-processed organic transistors based on semiconducting blends
The latest advances in the use of solution processable organic semiconductor blends for organic field effect transistor (OFET) applications are reviewed. We summarise multi-component, thin film
Organic Semiconductor/Polymer Blend Films for Organic Field‐Effect Transistors
The development of low‐cost printed organic electronics entails the processing of active organic semiconductors (OSCs) through solution‐based techniques. However, the preparation of large‐area
Ambipolar Small-Molecule:Polymer Blend Semiconductors for Solution-Processable Organic Field-Effect Transistors.
This work provides a one-step solution processing technique, which makes use of soluble ambipolar small molecules to form a thin-film semiconductor for application in high-performance OFETs.
Organic Semiconductor/Insulator Polymer Blends for High-Performance Organic Transistors
We reviewed recent advances in high-performance organic field-effect transistors (OFETs) based on organic semiconductor/insulator polymer blends. Fundamental aspects of phase separation in binary
Solution‐Processed Small Molecule‐Polymer Blend Organic Thin‐Film Transistors with Hole Mobility Greater than 5 cm2/Vs
Using phase-separated organic semiconducting blends containing a small molecule, as the hole transporting material, and a conjugated amorphous polymer, as the binder material, we demonstrate
Organic Thin-Film Transistors with Phase Separation of Polymer-Blend Small-Molecule Semiconductors: Dependence on Molecular Weight and Types of Polymer
We have investigated effect of polymer on solution-processed organic thin-film transistors (TFTs) with polymer-blend semiconductors. Organic TFTs made from a solution of