Results 21 to 30 of about 4,227,321 (266)

The effect of synthesis time on morphology and electronic structure of polyaniline [PDF]

Омский научный вестник, 2018
The paper investigates the morphology and electronic structure change of polyaniline as a function of the synthesis time. It is shown that the band gap of a polymer decreases with increasing duration of the synthesis time due to a change in the number
I. A. Lobov, I. K. Shulus
doaj   +1 more source

Cerebral Metabolic Rate of Glucose and Cognitive Tests in Long COVID Patients

Brain Sciences, 2022
Background: Common long-term sequelae after COVID-19 include fatigue and cognitive impairment. Although symptoms interfere with daily living, the underlying pathology is largely unknown.
Kamilla W. Miskowiak, Johanne L. Bech, Alexander Cuculiza Henriksen, Stine Johnsen, Daria Podlekareva, Lisbeth Marner   +5 more
doaj   +1 more source

Studying the Effect of Transport Layers on ZrS2/MEH-PPV Solar Cells: Using SCAPS -1D Software

East European Journal of Physics
This study investigates the effect of charge transport layers on the efficiency of Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH_PPV) and Zirconium Disulfide (ZrS₂) solar cells using Scaps-1D software. It was found that by increasing the
Marwan S. Mousa, Hmoud Al Dmour, Emad K. Jaradat, Osama Y. Al-Madanat, Ahmad M.D. (Assa’d) Jaber, Beddiaf Zaidi, Ahmet Sait Alali, V. Aravindan   +7 more
doaj   +1 more source

Electron Transport Layer-Free Ruddlesden–Popper Two-Dimensional Perovskite Solar Cells Enabled by Tuning the Work Function of Fluorine-Doped Tin Oxide Electrodes

Crystals, 2022
Organic–inorganic halide two-dimensional (2D) layered perovskites have been demonstrated to have better environmental stability than conventional three-dimensional perovskites.
Ningfei Dong, Haosu Zhou, Lei Wang, Zhihai Liu   +3 more
doaj   +1 more source

Defects in oxide surfaces studied by atomic force and scanning tunneling microscopy

Beilstein Journal of Nanotechnology, 2011
Surfaces of thin oxide films were investigated by means of a dual mode NC-AFM/STM. Apart from imaging the surface termination by NC-AFM with atomic resolution, point defects in magnesium oxide on Ag(001) and line defects in aluminum oxide on NiAl(110 ...
Thomas König, Georg H. Simon, Lars Heinke, Leonid Lichtenstein, Markus Heyde   +4 more
doaj   +1 more source

The HIT Network for Children and Adolescents With CNS Tumors Facilitates Improvements of Diagnostic Assessments, Multimodal Treatments, Individual Counseling, and Research in Germany, Austria, and Switzerland

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background The HIT network was established in 2000 to create a population‐based structure aiming to improve survival rates and reduce late effects for children with central nervous system (CNS) tumors by conducting comprehensive clinical trials.
Stefan Rutkowski, Michael C. Frühwald, Gudrun Fleischhack, Stephan Tippelt, Pablo Hernáiz‐Driever, Olaf Witt, Astrid Gnekow, Christof Kramm, Matthias Eyrich, Johannes E. A. Wolf, Hermann Müller, Carsten Friedrich, Uwe R. Kordes, Denise Obrecht‐Sturm, Petra Ketteler, Barbara von Zezschwitz, Pascal Johann, Dominik Sturm, Karoline Nemes, Stefan Schönberger, Till Milde, Brigitte Bison, Monika Warmuth‐Metz, Torsten Pietsch, Ulrich Schüller, Arend Koch, David Capper, Martin Hasselblatt, Christian Thomas, Christian Hagel, Stefan M. Pfister, Felix Sahm, David T. W. Jones, Martin U. Schuhmann, Jürgen Krauss, Pedram Emami, Ahmed El Damaty, Rolf D. Kortmann, Rudolf Schwarz, Jürgen Debus, Mechthild Krause, Fabian Pohl, Holger Ottensmeier, Lisa Bußenius, Katja Baust, Andreas Faldum, Cecile Ronckers, Desiree Grabow, Martin Benesch, Thomas Perwein, Karin Dieckmann, Irene Slavc, Johannes Gojo, Nicolas U. Gerber, André O. von Bueren, Katrin Scheinemann, Gabriele Calaminus, Beate Timmermann, Ulrich‐Wilhelm Thomale, Martin Mynarek   +59 more
wiley   +1 more source

Predicting the work function of 2D MXenes using machine-learning methods

JPhys Energy, 2023
MXenes, which are graphene-like two-dimensional transition metal carbides and nitrides, have tunable compositions and exhibit rich surface chemistry. This compositional flexibility has resulted in exquisitely tunable electronic, optical, and mechanical ...
Pranav Roy, Lavie Rekhi, See Wee Koh, Hong Li, Tej S Choksi   +4 more
doaj   +1 more source

Recent Advancements in Applications of Graphene to Attain Next-Level Solar Cells

C, 2023
This paper presents an intensive review covering all the versatile applications of graphene and its derivatives in solar photovoltaic technology. To understand the internal working mechanism for the attainment of highly efficient graphene-based solar ...
Sonal Santosh Bagade, Shashidhar Patel, M. M. Malik, Piyush K. Patel   +3 more
doaj   +1 more source

Stressful Events Reported by Childhood Cancer Survivors and Community Controls From the St. Jude Lifetime (SJLIFE) Cohort: A Mixed Method Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Characterizing stressful events reported by childhood cancer survivors experienced throughout the lifespan may help improve trauma‐informed care relevant to the survivor experience. Methods Participants included 2552 survivors (54% female; 34 years of age) and 469 community controls (62% female; 33 years of age) from the St.
Megan E. Ware, Colter K. Clayton, Fang Wang, Sedigheh Mirzaei, Kyla Shelton, Tara M. Brinkman, Victoria Willard, Katianne M. Howard Sharp, Kevin Krull, Lindsay F. Schwartz, Melissa M. Hudson, Gregory T. Armstrong, Kirsten K. Ness, Rachel T. Webster   +13 more
wiley   +1 more source

Electronic Structure and Binding Characteristics of Ionic Liquid Ions on Li-Metal Surfaces Through a DFT Approach

Crystals
Understanding the interactions between ionic liquid ions and lithium-metal surfaces is critical for designing safer and more efficient lithium metal batteries.
Luis A. Selis, Dinau Velazco-Lorenzo, Juan Quillas, Diego E. Galvez-Aranda   +3 more
doaj   +1 more source