Results 101 to 110 of about 118,822 (346)

Enhancing Stability in Next‐Generation Photoelectrodes Such as Organic Semiconductor and Halide Perovskite‐Based Photoelectrodes for Various Applications: Recent Advanced Passivation and Encapsulation Methods

open access: yesExploration, EarlyView.
This review explores advancements in passivation and encapsulation methods to enhance the stability of organic semiconductor and halide perovskite‐based photoelectrodes in photoelectrochemical systems. It highlights the potential of these materials for efficient solar energy conversion and environmental applications while emphasizing the need for ...
Yejoon Kim, Enok Lee, Sanghan Lee
wiley   +1 more source

Synthesis and Applications of Hematite α-Fe2O3 : a Review

open access: yesJournal of Mechanical Engineering Science and Technology, 2019
This article reviewed the hematite α-Fe2O3, which focuses on its material properties, nanostructures, synthesis techniques, and its numerous applications.
Muhamad Muhajir   +2 more
doaj   +1 more source

Geological Storage of CO2 and H2: A Bibliometric Synthesis of General and Laboratory‐Scale Research Evolution

open access: yesGreenhouse Gases: Science and Technology, EarlyView.
ABSTRACT Underground gas storage is a cornerstone technology for addressing climate change and advancing the clean energy transition. By managing greenhouse gas emissions and enhancing energy system resilience, it supports global sustainability goals.
Sara Roces   +5 more
wiley   +1 more source

Biogenic Synthesis of Silver and Iron Nanoparticles Derived From Grewia Optiva Leaf Extract: A Novel Approach for Antidiabetic, Anticoagulant and Anti‐Inflammatory Therapies

open access: yesInternational Journal of Chemical Kinetics, EarlyView.
ABSTRACT This study presents the green synthesis of silver (Ag‐NPs) and iron nanoparticles (Fe‐NPs) using aqueous leaf extract of Grewia optiva as a natural reducing and stabilizing agent. The extract was prepared using a Kjeldahl apparatus under controlled heating. Nanoparticle synthesis was optimized by varying pH, temperature, and salt concentration,
Muhammad Salman Khan   +8 more
wiley   +1 more source

Control of the Morphology and Porosity of Hematite Particles through the Use of Tannic Acids

open access: yesAdsorption Science & Technology, 2008
The shape and porosity of hematite particles formed from the forced hydrolysis of acidic FeCl 3 solutions could be controlled by the use of two types of tannic acid (hydrolysable and non-hydrolysable) within the concentration range 0–2 × 10 −2 wt%.
Kazuhiko Kandori   +3 more
doaj   +1 more source

Investigation of Enhanced Photoelectrochemical Property of Cerium Doped Hematite Film Prepared by Sol-Gel Route

open access: yesInternational Journal of Electrochemical Science, 2013
Cerium doped iron oxide thin film was successfully prepared by sol-gel route. Their physical properties were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), X-ray photoelectron spectra (XPS) and UV-visible absorbance spectra.
Xin Yang   +7 more
doaj   +1 more source

Moderate Fire Temperatures Affect the Structure of Clayey Oxisol Aggregates

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Wildfires have become increasingly frequent and intense worldwide, raising concerns about their impacts on soil systems. However, the thermal responses of clay‐rich Oxisols, dominated by Fe and Al oxides, remain poorly understood. In this study, samples from the 0 to 5 cm layer of six Oxisols were subjected to controlled heating at ...
Yasmmin Tadeu Costa   +5 more
wiley   +1 more source

THz-Frequency Spin-Hall Auto-Oscillator Based on a Canted Antiferromagnet

open access: yes, 2017
We propose a design of a THz-frequency signal generator based on a layered structure consisting of a current-driven platinum (Pt) layer and a layer of an antiferromagnet (AFM) with easy-plane anisotropy, where the magnetization vectors of the AFM ...
Ivanov, B. A.   +5 more
core   +1 more source

Additive Manufacturing of Cobalt Iron Oxide‐Based Photopolymer Resin Magnetoactive Polymer Composites Through Stereolithography

open access: yesMacromolecular Materials and Engineering, EarlyView.
In this study, novel resin/cobalt iron oxide magnetic actuation polymer composites (MAPCs) are synthesized and optimized for stereolithography (SLA)‐based 3D printing. Printing parameters are tuned for dimensional accuracy and print quality. Comprehensive physicochemical, mechanical, and magnetic characterization identifies the optimal formulation ...
Ambreen Afridi   +2 more
wiley   +1 more source

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