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3,921 Newest Publications about the topic doping


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Templated Atom‐Precise Galvanic Synthesis and Structure Elucidation of a [Ag24Au(SR)18]− Nanocluster

27-Nov-2015 | Megalamane S. Bootharaju, Chakra P. Joshi, Manas R. Parida, Omar F. Mohammed, Osman M. Bakr, Angewandte Chemie International Edition, 2015

Abstract Synthesis of atom‐precise alloy nanoclusters with uniform composition is challenging when the alloying atoms are similar in size (for example, Ag and Au). A galvanic exchange strategy has been devised to produce a compositionally uniform [Ag24Au(SR)18]− cluster (SR: thiolate) using a ...


Electro‐Optic and Dielectric Studies on Quantum Dot Doped Nematic Liquid Crystal

25-Nov-2015 | Jitendra Kumar, R. K. Gupta, Sandeep Kumar, V. Manjuladevi, Macromolecular Symposia, 2015

Summary Liquid crystals are shape anisotropic organic materials which find many applications in a wide variety of fields such as display technology, bioscience and surface science. On doping the liquid crystals with nanomaterials such as nanoparticles or carbon nanotubes the switching ...


Density functional study on the hole doped single-layer SnS2 with metal element X- (Li, Mg, Al)

25-Nov-2015 | Dandan Yu; Yanyu Liu; Lili Sun; Ping Wu; Wei Zhou, Physical Chemistry Chemical Physics, 2015

The effects of metal element X-doping on the electronic and optical properties of single-layer SnS2 were investigated based on density functional theory. The results show that the doping is energetically favorable under S-rich conditions than under Sn-rich conditions. For Li and Mg doping, there ...


Structural, electronic, magnetic and chemical properties of B-, C- and N-doped MgO(001) surface

25-Nov-2015 | Igor A Pasti; Natalia V Skorodumova, Physical Chemistry Chemical Physics, 2015

Doping of simple oxide materials can give rise to new exciting physical and chemical properties and open new perspectives for a variety of possible applications. Here we use Density Functional Theory calculations to investigate the B-, C- and N-doped MgO(001) surfaces. We have found that the ...


Ternary NiFeMn layered double hydroxides as highly-efficient oxygen evolution catalysts

25-Nov-2015 | Zhiyi Lu; Li Qian; Yang Tian; Yaping Li; Xiaoming Sun; Xue Duan, Chemical Communication, 2015

Layered double hydroxides (LDHs) are a family of layer materials that receive heightened attention. Herein a ternary NiFeMn-LDH is investigated with superior oxygen evolution activity, which is attributed to the Mn4+ doping in the intralayer, which modifies the electronic structure and improves ...


p- to n-Type Conversion and Nonmetal–Metal Transition of Lithium-Inserted Cu3N Films

25-Nov-2015 | Naoomi Yamada; Kohei Maruya; Yuuki Yamaguchi; Xiang Cao; Yoshihiko Ninomiya, Chemistry of Materials, 2015

Cu3N is a semiconductor with a bandgap of ∼1.4 eV, which is ideal for solar energy conversion applications. To obtain high-efficiency Cu3N-based solar cells, the fabrication of p-n homojunctions is desirable. Studies on the bipolar doping of Cu3N have been initiated very recently. In this study, ...


Analyses of ions doping profiles in Yb-doped fiber preforms using laser-induced breakdown spectroscopy

24-Nov-2015 | Jiaming Li; Lianbo Guo; Nan Zhao; Qimeng Chen; Baoye Wu; Yibo Wang; Xiangyou Li; jinyan Li; Xiaoyan Zeng; Yong-Feng Lu, Journal of Analytical Atomic Spectrometry, 2015

Ions doping profiles are one of the most important characteristics in Yb-doped fibers but it is hard to realize rapid, in-situ, and online analyses. A laser-induced breakdown spectroscopy (LIBS) system was set up to analyze ions doping profiles in Yb-doped fiber preforms. However, the ...


Modified PEDOT by benign preparing N-doped reduced graphene oxide as potential bio-electrode coating material

24-Nov-2015 | Mengmeng Fan; Chunlin Zhu; Lin Liu; Qilu Wu; Qingli Hao; Jiazhi Yang; Dongping Sun, Green Chemistry, 2015

We have successfully prepared poly (3,4-ethylenedioxythiophene) (PEDOT)/N-doped reduced graphene oxide (N-rGO) by electrodeposition, post-reduction, and doping N atoms with a microorganism (as a green reagent) to modify PEDOT and resolve the exfoliation and fragmentation problems of pristine ...


Semiconductor‐Based Photoelectrochemical Water Splitting at the Limit of Very Wide Depletion Region

23-Nov-2015 | Mingzhao Liu, John L. Lyons, Danhua Yan, Mark S. Hybertsen, Advanced Functional Materials, 2015

In semiconductor‐based photoelectrochemical (PEC) water splitting, carrier separation and delivery largely relies on the depletion region formed at the semiconductor/water interface. As a Schottky junction device, the trade‐off between photon collection and minority carrier delivery remains a ...


Native Point Defects in CaS: Focus on Intrinsic Defects and Rare Earth Ion Dopant Levels for Up-converted Persistent Luminescence

23-Nov-2015 | Bolong Huang, Inorganic Chemistry, 2015

We studied native point defects as well as Eu and Dy ion doping in CaS by the simple DFT + Hubbard U method. The electronic properties and formation energies of native point defects and dopants have been discussed. We found the neutral S vacancy has the lowest energy of 0.62 eV under the Ca-rich ...


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