Results 1 to 10 of about 6,223 (217)

Direct (Hetero)Arylation Polymerization of a Spirobifluorene and a Dithienyl-Diketopyrrolopyrrole Derivative: New Donor Polymers for Organic Solar Cells [PDF]

open access: yesMolecules, 2018
The synthesis and preliminary evaluation as donor material for organic photovoltaics of the poly(diketopyrrolopyrrole-spirobifluorene) (PDPPSBF) is reported herein. Prepared via homogeneous and heterogeneous direct (hetero)arylation polymerization (DHAP),
Pierre Josse   +7 more
doaj   +5 more sources

Molecular Engineering of a Tumor‐Targeting Thione‐Derived Diketopyrrolopyrrole Photosensitizer to Attain NIR Excitation Over 850 nm for Efficient Dual Phototherapy [PDF]

open access: yesAdvanced Science
Photosensitizers with near‐infrared (NIR) excitation, especially above 800 nm which is highly desired for phototherapy, remain rare due to the fast nonradiative relaxation process induced by exciton‐vibration coupling.
Gang Xu   +10 more
doaj   +2 more sources

A new platform for the synthesis of diketopyrrolopyrrole derivatives via nucleophilic aromatic substitution reactions [PDF]

open access: yesBeilstein Journal of Organic Chemistry
Diketopyrrolopyrroles (DPPs) are a versatile group of dyes and pigments with valuable optoelectronic properties. In this work we report the synthesis of highly fluorescent DPP derivatives through straightforward nucleophilic aromatic substitution ...
Vitor A. S. Almodovar, Augusto C. Tomé
doaj   +2 more sources

The Diketopyrrolopyrrole (DPP) Core as a Gel-Forming Material: Current Status and Untapped Potential [PDF]

open access: yesGels
The diketopyrrolopyrrole (DPP) core is widely recognized for its applications in organic electronics and photonics due to its exceptional electronic and optical properties. Recently, DPP-based materials have shown remarkable π–π stacking interactions and
Abelardo Sánchez-Oliva   +1 more
doaj   +2 more sources

Design, synthesis, and application in OFET of a small molecule based on π-expanded fused diketopyrrolopyrrole [PDF]

open access: yesFrontiers in Chemistry, 2023
Diketopyrrolopyrrole (DPP) and its derivatives, as electron deficient units, are widely used as building blocks in organic field-effect transistors, obtaining high performance.
Jianhui Li   +3 more
doaj   +2 more sources

The Nature of the (Oligo/Hetero)Arene Linker Connecting Two Triarylborane Cations Controls Fluorimetric and Circular Dichroism Sensing of Various ds-DNAs and ds-RNAs [PDF]

open access: yesMolecules, 2023
A series of tetracationic bis-triarylborane dyes, differing in the aromatic linker connecting two dicationic triarylborane moieties, showed very high submicromolar affinities toward ds-DNA and ds-RNA.
Lidija-Marija Tumir   +7 more
doaj   +2 more sources

Data-driven analysis of chemical graph of carbazole and diketopyrrolopyrrole [PDF]

open access: yesScientific Reports
Topological indices play a key role in molecular graph theory, consisting of mathematical tools that allocate numerical values to molecular structures.
Zeeshan Saleem Mufti   +5 more
doaj   +2 more sources

Recent Advances of Diketopyrrolopyrrole Derivatives in Cancer Therapy and Imaging Applications [PDF]

open access: yesMolecules, 2023
Cancer is threatening the survival of human beings all over the world. Phototherapy (including photothermal therapy (PTT) and photodynamic therapy (PDT)) and bioimaging are important tools for imaging–mediated cancer theranostics.
Lingyun Wang   +4 more
doaj   +2 more sources

Efficient red electroluminescence from diketopyrrolopyrrole copolymerised with a polyfluorene [PDF]

open access: yesAPL Materials, 2013
We report the synthesis, characterization, and device incorporation of copolymers based on a common green-emitting polyfluorene but containing a small proportion of a low energy gap donor-acceptor-donor unit for red emission in photo- and electro ...
O. Fenwick   +8 more
doaj   +4 more sources

Phenoxazine and diketopyrrolopyrrole based donor-acceptor conjugated polymers: synthesis and optical properties [PDF]

open access: yesPolímeros, 2023
While numerous phenoxazine-based small molecules developed for organic electronic devices, very limited attention has been received on synthesized conjugated polymers containing this phenoxazine.
Thao Thanh Bui   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy