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3,102 Newest Publications about the topic doping

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Tin doping speeds up hole transfer during light-driven water oxidation at hematite photoanodes

28-10-2014 | Halina K. Dunn; Johann M. Feckl; Alexander Müller; Dina Fattakhova-Rohlfing; Samuel G. Morehead; Julian Roos; Lauren ..., Physical Chemistry Chemical Physics, 2014

Numerous studies have shown that the performance of hematite photoanodes for light-driven water splitting is improved substantially by doping with various metals, including tin. Although the enhanced performance has commonly been attributed to bulk effects such as increased conductivity, recent ...

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Bismuth doping effect on TiO2 nanofibres for morphological change and photocatalytic performance

28-10-2014 | Ming-Chung Wu; Jyun-Sian Chih; Wei-Kang Huang, CrystEngComm, 2014

Doping bismuth ions into photocatalytic materials is one of the most effective methods for preparing highly visible-light-active photocatalysts. In order to develop high-performance photocatalytic materials that are easy to produce, even in industrial quantities, we developed a facile method to ...

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High Efficiency Hybrid PEDOT:PSS/ Nanostructured Silicon Schottky Junction Solar Cells by Doping-Free Rear Contact

28-10-2014 | Yunfang Zhang; Wei Cui; Yawen Zhu; Fengshuo Zu; LS Liao; Shuit-Tong Lee; Baoquan Sun, Energy & Environmental Science, 2014

A high doping technique is widely used for record-efficiency crystalline silicon (Si) solar cells to minimize the series resistance losses and to form a back surface field. However, it requires high temperatures (up to 1000 oC) and involves toxic gases, which may not be compatible for hybrid ...

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Enhanced photochromism of heteropolyacid/polyvinylpyrolidone composite film by TiO2 doping

25-10-2014 | Cong Lu, Yan Sun, Jialu Liu, Xiansheng Wang, Su‐Ling Liu, Wei Feng, Journal of Applied Polymer Science, 2014

ABSTRACT Novel composite film was synthesized by TiO2 doping into phosphomolybdic acid (PMoA)/polyvinylpyrrolidone (PVP) system. The influence of TiO2 doping on its microstructure and photochromic properties was investigated via atomic force microscopy, transmission electron microscope, ...

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Structure, ferroelectric, ferromagnetic, and piezoelectric properties of Al‐modified BiFeO3–BaTiO3 multiferroic ceramics

24-10-2014 | Wei Zhou, Qiaoji Zheng, Ying Li, Qiang Li, Yang Wan, Min Wu, Dunmin Lin, physica status solidi (a), 2014

0.725BiFe1−xAlxO3–0.275BaTiO3 + 1 mol% MnO2 ceramics were prepared by a conventional ceramic technique. The effects of Al doping and sintering temperature on microstructure, piezoelectricity and magnetism of the ceramics were studied. The crystalline structures of BFO‐BT‐BA‐x ceramics sintered ...

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Electrochemical Raman spectroscopy of carbon nanotube energy transfer complexes

24-10-2014 | Benjamin Hatting, Friederike Ernst, Stephanie Reich, physica status solidi (b), 2014

We present electrochemical Raman measurements on energy transfer complexes formed by combining single‐walled carbon nanotubes and dye molecules. The presence of the dye molecules in the proximity of the nanotubes impacts the nanotubes’ charging behavior, leading to changes in the position of ...

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Surface Plasmon Resonance Enhanced Light Absorption and Photothermal Therapy in the Second Near-Infrared Window

23-10-2014 | Xianguang Ding; Chi Hao Liow; Mengxin Zhang; Renjun Huang; Chunyan Li; He Shen; Mengya Liu; Yu Zou; Nan Gao; Zhijun ..., Journal of the American Chemical Society, 2014

Enhanced near-field at noble metal nanoparticle surfaces due to localized surface plasmon resonance (LSPR) has been researched in fields ranging from biomedical to photoelectrical applications. However, it is rarely explored on nonmetallic nanomaterials discovered in recent years, which can also ...

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Organic Electronics: Control of Ambipolar and Unipolar Transport in Organic Transistors by Selective Inkjet‐Printed Chemical Doping for High Performance Complementary Circuits (Adv. Funct. Mater. 40/2014)

22-10-2014 | Dongyoon Khim, Kang‐Jun Baeg, Mario Caironi, Chuan Liu, Yong Xu, Dong‐Yu Kim, Yong‐Young Noh, Advanced Functional Materials, 2014

Selective tuning the operation mode of organic transistors from ambipolar to unipolar by using molecular doping is reported by Y. Xu, D.‐Y. Kim, Y.‐Y. Noh, and colleagues on page 6252. The ink‐jet printed dopants do not degrade device properties but rather distinctively alter the ambipolar ...

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Enhanced low‐field magnetoresistance of La0.7Sr0.3Mn1–xNixO3 compounds by annealing process

22-10-2014 | A. M. Ahmed, M. A. Abedellateef, H. A. Abd El‐Ghanny, Abd El Mo'ez A. Mohamed, physica status solidi (a), 2014

A study of Mn‐site substitution by Ni2+ and the effect of annealing time in polycrystalline bulk La0.7Sr0.3MnO3 in composition range (0 ≤ x ≤ 0.1) is presented. This study involves structural, electrical, magnetoresistance, and thermoelectric power (TEP) measurements. X‐ray diffraction was used ...

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Low Overpotential in Vacancy-Rich Ultrathin CoSe2 Nanosheets for Water Oxidation

22-10-2014 | Youwen Liu; Hao Cheng; Mengjie Lyu; Shaojuan Fan; Qinghua Liu; Wenshuai Zhang; Yuduo Zhi; Chengming Wang; Chong Xiao ..., Journal of the American Chemical Society, 2014

According to Yang Shao-Horn’s principle, CoSe2 is a promising candidate as an efficient, affordable, and sustainable alternative electrocatalyst for the oxygen evolution reaction, owing to its well-suited electronic configuration of Co ions. However, the catalytic efficiency of pure CoSe2 is ...

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