Results 31 to 40 of about 4,581,317 (388)

Fluorination Induced Donor to Acceptor Transformation in A1–D–A2–D–A1-Type Photovoltaic Small Molecules

open access: yesFrontiers in Chemistry, 2018
With the development of diversity of non-fullerene acceptors, it is found that there is no clear boundary between electron donors and electron acceptors.
Ruimin Zhou   +11 more
doaj   +1 more source

Enhancing Performance of Fused-Ring Electron Acceptor by Unidirectional Extension.

open access: yesJournal of the American Chemical Society, 2019
The unidirectional extension of a smaller fused-ring system into a larger one in a single direction will increase the conjugation length, allowing a fine tuning of electronic properties. Here, we designed and synthesized a unidirectionally extended fused-
Boyu Jia   +7 more
semanticscholar   +1 more source

Bi-diketopyrrolopyrrole (Bi-DPP) as a novel electron accepting compound in low band gap π-conjugated donor–acceptor copolymers/oligomers

open access: yesDesigned Monomers and Polymers, 2017
The synthesis and characterization of a novel 2,5-diketopyrrolo[3,4-c]pyrrole(DPP)-based accepting building block with the scheme DPP-neutral small linker-DPP (Bi-DPP) is presented, which was utilized as electron accepting moiety for low band gap π ...
Johannes Ahner   +3 more
doaj   +1 more source

Electrical and spectroelectrochemical investigation of thiophene-based donor-acceptor copolymers with 3,4-ethylenedioxythiophene [PDF]

open access: yesPolímeros, 2020
This work reports the spectroelectrochemical and electrical behavior of electropolymerized donor-acceptor like (D-A) copolymer films, based on 3,4-ethylenedioxythiophene (EDOT) and beta-substituted electron-acceptor thiophenes.
Marcus Henrique de Araujo   +3 more
doaj   +1 more source

Effect of Direct Coupling on Electronic Transport and Thermoelectric Properties of Single Pyrene Molecule

open access: yesمجلة علوم ذي قار, 2022
Electron transport characteristics through a single pyrene molecule, which connects with two metallic electrodes, are investigated by using of steady-state theoretical formalism.
Mohammed. N. Mutier , Lafy F. Al-Badry
doaj   +1 more source

Charge-transfer in time-dependent density-functional theory via spin-symmetry-breaking [PDF]

open access: yes, 2011
Long-range charge-transfer excitations pose a major challenge for time-dependent density functional approximations. We show that spin-symmetry-breaking offers a simple solution for molecules composed of open-shell fragments, yielding accurate excitations
Angel Rubio   +4 more
core   +2 more sources

Novel Dimethylmethylene‐Bridged Triphenylamine‐PDI Acceptor for Bulk‐Heterojunction Organic Solar Cells

open access: yesAdvanced Science, 2017
A novel, star‐shaped electron acceptor, DMTPA‐PDI3, derived from a planar dimethylmethylene‐bridged triphenylamine core with three acetylene‐linked perylene diimide (PDI) units is developed as a nonfullerene acceptor for organic solar cells (OSCs). DMTPA‐
Yu Xiong   +7 more
doaj   +1 more source

Identification and physicochemical characterization of bacterial surface isolated from catering services in health establishment

open access: yesRussian Open Medical Journal, 2016
The initial interaction between microorganisms and substrata is mediated by physicochemical forces, which originate from the physicochemical surface properties of both interacting surfaces.
Khadija Azelmad   +7 more
doaj   +1 more source

Electron Transfer in Porphyrin Complexes in Different Solvents

open access: yes, 2000
The electron transfer in different solvents is investigated for systems consisting of donor, bridge and acceptor. It is assumed that vibrational relaxation is much faster than the electron transfer.
Kilin, D.   +2 more
core   +1 more source

Physiological and genetic description of dissimilatory perchlorate reduction by the novel marine bacterium Arcobacter sp. strain CAB. [PDF]

open access: yes, 2013
A novel dissimilatory perchlorate-reducing bacterium (DPRB), Arcobacter sp. strain CAB, was isolated from a marina in Berkeley, CA. Phylogenetically, this halophile was most closely related to Arcobacter defluvii strain SW30-2 and Arcobacter ellisii ...
Bauer, Stefan   +6 more
core   +2 more sources

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