Results 71 to 80 of about 6,223 (217)

(Mechano)synthesis of azomethine- and terpyridine-linked diketopyrrolopyrrole-based polymers

Chimica Techno Acta, 2023
Three efficient synthetic approaches towards new azomethine- and terpyridine-containing 2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione (diketopyrrolopyrrole, DPP) based polymers, such as P1 and P2, are reported.
Wahab K. A. Al-Ithawi, Albert F. Khasanov, Maria I. Valieva, Artem V. Baklykov, Konstantin A. Chistiakov, Evgeny D. Ladin, Igor S. Kovalev, Igor L. Nikonov, Grigory A. Kim, Vadim A. Platonov, Dmitry S. Kopchuk, Zhuo Wang, Grigory V. Zyryanov   +12 more
doaj   +1 more source

All‐Solution‐Processed Perovskite Light‐Emitting Transistors Enabled by a Fully Organic Architecture

Advanced Electronic Materials, EarlyView.
Fully solution‐processed light‐emitting transistors based on CsPbBr3 perovskite nanocrystals (Pe‐LETs) are demonstrated using an all‐organic platform. By optimizing film formation and device integration, the Pe‐LETs achieve bright green emission with excellent color purity and a peak external quantum efficiency of 4.17 × 10−3 %, marking a step forward ...
Kelment Zahoaliaj, Alice Fappani, Francesca Pallini, Valentina Bellotti, Nicolò Quaresima, Margherita Bolognesi, Mario Prosa, Luca Beverina, Stefano Toffanin   +8 more
wiley   +1 more source

Diketopyrrolopyrrole Derivatives as Photosensitizing Agents against Staphylococcus aureus

Photochemistry and Photobiology, 2022
AbstractDiketopyrrolopyrrole (DPP) derivatives containing sulfonamide (Sulfonamide‐DPP), pyridyl (Dipyridyl‐DPP) and N‐methylpyridyl (MePyridyl‐DPP) substituents were assessed as antibacterial photosensitizers. Non‐charged DPPs showed an intense absorption band centered at about 480 nm and green fluorescence emission (ΦF ~ 0.7) in acetonitrile.
María E. Pérez, Vitor A. S. Almodovar, Javier E. Durantini, Natalia S. Gsponer, Andrés M. Durantini, Augusto C. Tomé, Edgardo N. Durantini   +6 more
openaire   +3 more sources

Testing of hydrogen sensor based on organic materials [PDF]

, 2011
Práce je zaměřena na problematiku bezpečnostních vodíkových senzorů. Základní principy a teorie vodíkových senzorů je rozebrána v první části práce.
Petrová, Lenka
core  

Balancing Hole and Electron Conduction in Ambipolar Split-Gate Thin-Film Transistors [PDF]

, 2019
Complementary organic electronics is a key enabling technology for the development of new applications including smart ubiquitous sensors, wearable electronics, and healthcare devices.
Ahn, H., Gelinck, G.H., Ghittorelli, M., Kim, J.-J., Lee, D.-K., Lee, H.-K., Smits, E.C.P., Torricelli, F., Yoo, H.   +8 more
core   +1 more source

Side‐Chain Branching Dictates the σ–S Coupling in Conjugated Polymer Thermoelectrics

Advanced Electronic Materials, EarlyView.
The correlation between conductivity and Seebeck coefficient has been extensively studied in numerous works. Nevertheless, its association with side chains has not been thoroughly explored. In this work, we found that the distance between the branching points of side chains and the molecular backbones has a significant effect on thermoelectric ...
Yingyao Zhang, So‐Huei Kang, Po Chen, Huadeng Xie, Qinfang Zhang, Seoyoung Kim, Donghoo Won, Zilong Zhang, Chi Li, Liang Liu, Qi Zhu, Feiyan Wu, Lie Chen, Reza Keshavarzia, Changduk Yang, Peng Gao   +15 more
wiley   +1 more source

Diketopyrrolopyrrole (DPP)-Based Materials and Its Applications: A Review

Frontiers in Chemistry, 2020
Diketopyrrolopyrrole (DPP) and its derivatives have been widely studied in the past few years due to its intrinsic physical and chemical properties, such as strong electron-withdrawing, deep color, high charge carrier mobility, strong aggregation, good ...
Wei Wei Bao, Rui Li, Zhi Cheng Dai, Jian Tang, Xin Shi, Jie Ting Geng, Zhi Feng Deng, Jing Hua   +7 more
doaj   +1 more source

Electronic structure of conducting organic polymers: insights from time-dependent density functional theory [PDF]

, 2014
Cataloged from PDF version of article.Conducting organic polymers (COPs) became an active field of research after it was discovered how thin films rather than insoluble infusible powders can be produced. The combination of the properties of plastics with
Salzner, U.
core   +1 more source

Toward a Rational Design of Conjugated Copolymers with Oxygenated Side Chains for Boosting Thermoelectric Properties

Advanced Energy Materials, EarlyView.
The molecular design strategy that integrates both side chain and backbone engineering in diketopyrrolopyrrole‐based conjugated polymers to identify the optimal balance between doping efficiency and microstructural order is demonstrated. Comprehensive spectroscopic, electrochemical, morphological, and structural characterizations reveal that the ...
Taewoong Han, Suhui Sim, Hoimin Kim, Taewoong Yoon, Hyungju Ahn, Seungjoo Chang, Namgyu Park, Hajeong Kim, Shabaz Alam, Dongki Lee, Sungjun Park, Sungjoo Lee, Jaewon Lee, Boseok Kang   +13 more
wiley   +1 more source

Peripherally Fluorinated Tetraphenylethene: New Electron Extraction Interlayers for n‐i‐p Perovskite Solar Cells

Advanced Energy Materials, EarlyView.
Fluorinated tetraphenylethene (TPE) derivatives were developed as interfacial layers for perovskite solar cells. The optimized TFP‐TPE enhances interfacial compatibility, suppresses molecular aggregation, and improves charge extraction. Devices incorporating TFP‐TPE achieved a record efficiency of 25.29% and outstanding stability under humidity and ...
Xiao‐Xin Gao, Ezhumalai Yamuna, Liang‐Wei Lin, Roland C. Turnell‐Ritson, Shuqing Song, Wen Luo, Chenxu Zhao, Shao‐Huan Hong, Cheng‐Liang Liu, Shiyu Xing, Jun Shao, Paul J. Dyson, Ming‐Chou Chen, Mohammad Khaja Nazeeruddin   +13 more
wiley   +1 more source