Results 121 to 130 of about 1,160,343 (350)

Active sites of copper-complex catalytic materials for electrochemical carbon dioxide reduction

open access: yesNature Communications, 2018
Restructuring-induced catalytic activity is an intriguing phenomenon of fundamental importance to rational design of high-performance catalyst materials. We study three copper-complex materials for electrocatalytic carbon dioxide reduction.
Z. Weng   +12 more
semanticscholar   +1 more source

Cool Kitchen: Processing Starch and Eggshell Powder into Sustainable Coatings for Passive Daytime Cooling

open access: yesAdvanced Functional Materials, EarlyView.
A food‐grade cooling composite made from starch and recycled eggshell powder offers a scalable, ultra‐low‐cost solution for passive daytime radiative cooling. Easily prepared using basic kitchen tools, this material empowers communities, even in areas with limited infrastructure, to stay cooler during worsening summer heat waves.
Qimeng Song   +3 more
wiley   +1 more source

Technical change, carbon dioxide reduction and energy consumption in the Swedish pulp and paper industry 1973-2006 [PDF]

open access: yes
This study examines the historical relation between carbon dioxide emission and output growth in the Swedish pulp and paperindustry 1973-2006. We find that the industry achieved an 80 per cent reduction in CO2 emission.
Andersson, Lars Fredrik   +2 more
core  

Is Fuel-Switching a No-Regrets Environmental Policy? VAR Evidence on Carbon Dioxide Emissions, Energy Consumption and Economic Performance in Portugal [PDF]

open access: yes, 2008
The objective of this paper is to estimate the impact of carbon dioxide emissions from fossil fuel combustion activities on economic activity in Portugal in order to evaluate the economic costs of policies designed to reduce carbon dioxide emissions.
Pereira, Alfredo Marvão   +1 more
core  

CO2 sensing properties of semiconducting copper oxide and spinel ferrite nanocomposite thin film [PDF]

open access: yes, 2010
A new active layer for CO2 sensing based on semiconducting CuO–CuxFe3−xO4 (with 0 ≤ x ≤ 1) nanocomposite was prepared by radiofrequency sputtering from a delafossite CuFeO2 target using a specific in situ reduction method followed by post annealing ...
Barnabé, Antoine   +4 more
core   +1 more source

Reductive Transformation of Carbon Dioxide [PDF]

open access: yesActa Physico Chimica Sinica, 2020
Zhimin Liu, Zhenyu Sun
openaire   +1 more source

Electrically Tunable On‐Chip Topological Photonics with Integrated Carbon Nanotubes

open access: yesAdvanced Functional Materials, EarlyView.
This work demonstrates electrically tunable on‐chip topological THz devices by integrating 2D carbon nanotube (CNT) sheets with valley‐Hall photonic crystals, enabling broadband transmission modulation (71% modulation depth) and tunable narrowband filtering (0.54 GHz shift) through electrically induced thermal tuning. This advancement paves the way for
Jifan Yin   +7 more
wiley   +1 more source

Hydroxide promotes carbon dioxide electroreduction to ethanol on copper via tuning of adsorbed hydrogen

open access: yesNature Communications, 2019
Producing ethanol from carbon dioxide, water, and renewable electricity offers a route to sustainable energy. Here, the authors enhance electrocatalytic activity for carbon dioxide reduction by tuning adsorbed hydrogen in a class of copper catalysts with
Mingchuan Luo   +17 more
doaj   +1 more source

Lightside Atmospheric Revitalization System [PDF]

open access: yes
The system was studied as a replacement to the present baseline LiOH system for extended duration shuttle missions. The system consists of three subsystems: a solid amine water desorbed regenerable carbon dioxide removal system, a water vapor ...
Colling, A. K.   +3 more
core   +1 more source

Tailoring the Properties of Functional Materials With N‐Oxides

open access: yesAdvanced Functional Materials, EarlyView.
The properties of materials bearing N‐oxide groups are often dominated by the polar N+─O− bond. It provides hydrophilicity, selective ion‐binding, electric conductivity, or antifouling properties. Many of the underlying mechanisms have only recently been discovered, and the interest in N‐oxide materials is rapidly growing.
Timo Friedrich   +5 more
wiley   +1 more source

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