نتایج جستجو برای: electron donor

تعداد نتایج: 369427  

Journal: :Science China. Materials 2022

A donor-acceptor covalent organic framework (COF), TB-COF, constructed from an electron-rich building unit (donor) and electron-deficient (acceptor), was developed as a promising photothermal agent for therapy (PTT). Upon laser irradiation, significant photoinduced electron transfer (PET) occurs between the donor acceptor in converting absorbed optical energy to thermal resulting ablation of tu...

DFT-GGA method of Perdew-Burke-Ernzerhof (PBE) is used with aug-cc-PVTZ, 6-311++G**, and Def2-TZVP large basis sets to study the hydrogen bond interactions between oxygen lone pair as a donor electron with hydrogen atom connected to the aniline’s nitrogen as an electron acceptor (H2O···HNH-Ph), and nitrogen lone pair with hydrogen of water molecule (Ph-H2N···HOH...

2011
Vikas S Padalkar Vikas S Patil N Sekar

BACKGROUND Organic fluorophore contains well-defined D-π-A (Donor-π system-Acceptor) push-pull system have wide application in the field of NLO, OLED and high tech application. Electron donor diphenyl, triphenyl and carbazole conjugated with electron acceptor terminal through π-system were reported recently for high-tech applications. N,N-Dialkyl substituted 1,3,5-triazine also acts as donor ke...

Journal: :Plant physiology 1981
J A Guikema C F Yocum

Photosystem II-dependent cyclic photophosphorylation activity produced by addition of p-phenylenediamines to KCN-Hg-NH(2)OH-inhibited chloroplasts is the product of two separate reactions when a proton/electron donor is the catalyst. The activity observed with an electron donor as catalyst consists of a single reaction. One of the cyclic reactions, evoked by low (</=40 micromolar) concentration...

Journal: :Nature nanotechnology 2014
Bent Weber Y H Matthias Tan Suddhasatta Mahapatra Thomas F Watson Hoon Ryu Rajib Rahman Lloyd C L Hollenberg Gerhard Klimeck Michelle Y Simmons

Electron spins confined to phosphorus donors in silicon are promising candidates as qubits because of their long coherence times, exceeding seconds in isotopically purified bulk silicon. With the recent demonstrations of initialization, readout and coherent manipulation of individual donor electron spins, the next challenge towards the realization of a Si:P donor-based quantum computer is the d...

E Abdolhosseini Sarsari, M Amirabbasi,

p { margin-bottom: 0.1in; direction: rtl; line-height: 120%; text-align: right; }a:link { color: rgb(0, 0, 255); } In this paper, the reported experimental data related to electrical transport properties in bulk ZnO, ZnMgO/ZnO and ZnMgO/ZnO/ZnMgO single and double heterostructures were analyzed quantitavely and the most important scattering parameters on controlling electron concentratio...

Journal: :Applied Physics Letters 2023

Single electron transistor (SET) is an advanced tool to exploit in quantum devices. Working of such devices at room-temperature essential for practical utilization. Dopant based single-electron are well studied low-temperature although a few developed high-temperature operation with certain limitations. Here, we propose and theoretically exhibit that nitrogen (N) donor silicon important candida...

Journal: :Essays in biochemistry 1999
A G Mauk

A wide range of biological processes makes extensive use of electron-transfer reactions. Rigorous characterization of a biological electron-transfer reaction requires a combination of kinetic, thermodynamic, structural and theoretical methods. The rate of electron transfer from an electron donor to an electron acceptor through a protein is dependent on the difference in reduction potential of t...

2017
Jianping Cao Chaosheng Zhang Hongwei Rong Meihua Zhao Wei Wei Limin Zhao

The effects of different types and concentrations of electron donors (glucose, starch, methanol and sodium acetate) on the formation of phosphine from anaerobic activated sludge that has been domesticated for a prolonged period were studied in small batch experiments. The results show that types and concentrations of electron donor have significant effects on the production of phosphine from an...

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