Results 241 to 250 of about 134,130 (301)

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

New‐Era Polymer Thermoelectrics: Material Innovations, Doping Frontiers, Decoupling Strategies, and Unconventional Applications

Advanced Materials, EarlyView.
The field of polymer thermoelectrics is entering a new era, featuring breakthroughs in addressing the conventional performance disparity between p‐type and n‐type polymers, pioneering doping frontiers, and sophisticated decoupling strategies. This review explores innovations in molecular design and superior stabilities, bridging the gap from ...
Suhao Wang
wiley   +1 more source

Thermodynamic Limits to Molecular Doping in Conjugated Polymers: A Perspective on Phase Behavior and Miscibility

Advanced Materials, EarlyView.
Molecular doping of conjugated polymers is fundamentally constrained by thermodynamic phase behavior. This Perspective reframes doping efficiency and stability in terms of miscibility limits, binodals, and solvus boundaries, highlighting the role of effective interaction parameters and charge transfer.
Somayeh Kashani, Justin Neu, Sung‐Joo Kwon, Runqio Song, Zixuan Chen, Tajah Trapier, Paschalis Gkoupidenis, David Ginger, Wei You, Jasper J. Michels, Harald Ade   +10 more
wiley   +1 more source

Phase Boundary Engineering of Co2P‐CoP Branched Nanoparticles Enhances Cobalt Oxidation for Oxygen Evolution Electrocatalysis

Advanced Materials, EarlyView.
Phase boundaries between Co2P and CoP are constructed through a controlled transformation of Co to Co2P‐CoP branched nanoparticles. The polycrystalline mixed‐phase Co2P‐CoP branches are enriched with phase boundaries that stabilize Co active sites for OER. This work highlights phase boundary engineering as a powerful approach to tailor active sites and
Zeno R. Ramadhan, Soshan Cheong, Sankhadip Saha, Qinyu Li, Xiaoran Zheng, Samuel V. Somerville, Agus R. Poerwoprajitno, Priyank V. Kumar, Liming Dai, J. Justin Gooding, Richard D. Tilley   +10 more
wiley   +1 more source

Attosecond Momentum-Resolved Resonant Inelastic X-ray Scattering for Imaging Coupled Electron-Hole Dynamics. [PDF]

J Phys Chem Lett
Radionov M, Popova-Gorelova D.
europepmc   +1 more source

Liquid-crystal-assisted chiral nanoscintillator architectures with circular polarization degree exceeding 0.7 in X-ray radioluminescence. [PDF]

Chem Sci
Yuan Z, Li Z, Ling Z, Wang K, He C.
europepmc   +1 more source

Synergistic Band-Gap Engineering and Visible-Light Activation in Fe, La Doped ZnO Nanoparticles. [PDF]

ACS Omega
Parida P, Patra J, Patel P, Sahoo SK, Goutam UK, Mahapatra S, Singh VR, Verma VK.   +7 more
europepmc   +1 more source

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X-ray emission spectroscopy

Photosynthesis Research, 2009
We describe the chemical information that can be obtained by means of hard X-ray emission spectroscopy (XES). XES is presented as a technique that is complementary to X-ray absorption spectroscopy (XAS) and that provides valuable information with respect to the electronic structure (local charge- and spin-density) as well as the ligand environment of a
Uwe Bergmann, Pieter Glatzel, Bergmann Uwe   +2 more
exaly   +3 more sources

Instrumentation for soft X-ray emission spectroscopy

Journal of Electron Spectroscopy and Related Phenomena, 2000
Abstract An account is presented of developments in instrumentation for soft X-ray emission spectroscopy (SXES) based on synchrotron radiation. An account for grating spectrometers for soft X-ray emission spectroscopy is given, and some considerations regarding synchrotron radiation applications of the spectroscopy are presented.
Joseph Nordgren, Jinghua Guo
openaire   +2 more sources