相关实验视频

Updated: Jun 24, 2026

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Published on: January 10, 2017

为高效和稳定的薄膜有机 (光电) 电子器件而用脱基替代BTBT衍生品

Roman S Fedorenko^1,2, Liya A Poletavkina³, Vasiliy A Trukhanov¹

¹Faculty of Physics, Lomonosov Moscow State University, Leninskie Gory 1/62, Moscow 119991, Russia.

Physical chemistry chemical physics : PCCP

|June 2, 2025

概括

将氧原子引入有机半导体 (OSs) 提高了它们的稳定性和性能. 新的分子DOPBTBT显示了更好的热稳定性,更高的光发光,并显著改善了先进的光电子设备的电荷载体移动性.

科学领域:

材料科学材料科学材料科学
有机电子有机电子
分子设计分子设计

背景情况:

理性分子设计是开发先进有机半导体 (OSs) 的关键.
用二替代的BTBT衍生物是已知的OS类.
提高稳定性和电荷传输特性对于实际应用至关重要.

研究的目的:

为了研究将氧原子纳入二基替代BTBT衍生物的终端基群的影响.
为了合成和表征一种含有氧的新型OS,2,7-bis(4-decyloxyphenyl) [1]benzothieno[3,2-b][1]benzothiophene (DOPBTBT).
为了比较DOPBTBT与其无氧模拟物DPBTBT的特性.

主要方法:

DOPBTBT 和 DPBTBT 的综合.
热稳定性的分析.
光发光量子产量测量. 光发光量子产量测量.
用薄膜和OFET测量载电荷的移动性.
环境稳定性测试.环境稳定性测试.

主要成果:

与DPBTBT相比,DOPBTBT具有更高的热氧化稳定性.
DOPBTBT晶体在高达150°C时没有相变.
对于DOPBTBT,光发光的量子收益率达到48%.
对于DOPBTBT,薄膜电荷载体的移动性为0.74cm2V-1s-1,比DPBTBT高三倍,并且稳定一个月.
基于DOPBTBT的单层OFET实现了1.1cm2V-1s-1.1的高流动性.
DOPBTBT证明了在发光和光晶体管中的实用性.

结论:

在BTBT衍生物的终端基替代物中引入氧原子是设计高性能有机半导体的一个有希望的策略.
DOPBTBT提供了增强的稳定性,改进的光发光,以及显著更高的电荷载体移动性.
这些发现使DOPBTBT成为先进有机光电子设备的有价值材料.

更多相关视频

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes

Published on: November 16, 2018

Development of Efficient OLEDs from Solution Deposition

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

相关概念视频

Bipolar Junction Transistor

Bipolar Junction Transistor

Bipolar Junction Transistors (BJTs) are essential elements in electronic circuits, playing a crucial role in the functionality of amplifiers, memories, and microprocessors. These transistors can be designed as NPN or PNP based on their doping patterns. They consist of three layers: the emitter, base, and collector. The configuration of these layers and their respective doping levels—with N-type or P-type impurities—define the transistor's type and its operational characteristics.
The structure...

Field Effect Transistor

Field Effect Transistor

Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...

Production of Biopesticides

Production of Biopesticides

Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...