Results 41 to 50 of about 128,612,486 (296)

When Poor Exciton Dissociation Limits Photocurrents in Organic Solar Cells: Why Low Offset Non‐Fullerene Acceptor Blends Can't Be Efficient

open access: yesAdvanced Materials, EarlyView.
The energetic offset between the donor and the acceptor components in organic photoactive layers is central to the tradeoff between photovoltage and photocurrent losses. This Perspective covers the most important issues surrounding this topic in non‐fullerene acceptor blends, from the difficulty of accurately determining state energies and driving ...
Dieter Neher, Manasi Pranav
wiley   +1 more source

Organic Materials of Tomorrow: Horizons of Artificial Intelligence

open access: yesAdvanced Materials, EarlyView.
This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena   +3 more
wiley   +1 more source

Risky Strategies? Putin's Federal Reforms and the Accommodation of Difference in Russia [PDF]

open access: yesJournal on Ethnopolitics and Minority Issues in Europe, 2003
This article examines Vladimir Putin's reforms to Russia's federal system since 2000. The initial rationale for the reforms was the need to strengthen the capacity of the central government after Boris Yeltsin had engaged in a controversial practice of ...
David Cashaback
doaj  

NIGERIAN LOCAL GOVERNMENT ADMINISTRATION: A COMPARATIVE ANALYSIS OF THE THIRD AND FOURTH REPUBLICS

open access: yesMalete Journal of Accounting and Finance, 2023
Local governments are not independent unlike nation-states, which derives their existence and powers from the law enacted by a higher government. While they are constitutionally provided for as a third tier and independent level of government, like the ...
Towoju Adedoyin John   +2 more
doaj  

“Smelltronics”—From Gas to Smell Sensing

open access: yesAdvanced Materials, EarlyView.
The emerging field of smelltronics, encompassing sensing technologies for complex volatile organic compounds, holds significant potential for extracting valuable chemical information. It facilitates the noninvasive, real‐time monitoring of humans, food, and the environment.
Takeshi Ono   +7 more
wiley   +1 more source

Can Elastomers Combine Stiffness, Toughness and Fatigue Resistance?

open access: yesAdvanced Materials, EarlyView.
This review studies how the molecular and macroscopic architecture of elastomers influence their mechanical properties including: stiffness, stretchability, toughness, fatigue resistance, and damping behavior. By linking the structure to performance, it proposes design principles for advanced elastomeric systems that combine mechanical properties ...
Eva Baur, Esther Amstad
wiley   +1 more source

Democratic local governance in the Southern African Development Community region: Some emerging issues and challenges

open access: yesCommonwealth Journal of Local Governance, 2010
Recent reforms have been transforming the structure of local governance in the Southern Africa Development Community (SADC) region. Since the 1990s, a critical objective of governance reform has been the strengthening of local government by the ...
Bornwell Chikulo
doaj   +1 more source

Sustainable and Multifunctional Natural Macromolecular Polymers for Aqueous Zn Metal Batteries

open access: yesAdvanced Materials, EarlyView.
We comprehensively review the structure‐function relationships and regulatory mechanism of natural macromolecular polymers in stabilizing zinc anodes at the microscopic and mesoscopic scales. The interactions among polymer structures, optimization strategies, and regulatory mechanisms are discussed systematically summarizing recent related research ...
Yunuo Shi   +13 more
wiley   +1 more source

The Concept of New Public Management and Local Government Reforms in Selected Western European Countries

open access: yesStudia Regionalne i Lokalne, 2010
The reforms driven by New Public Management (NPM) led to the introduction of management principles in local governments, marketisation and outsourcing.
Lucyna Rajca
doaj  

Interfacial Failure and Self‐Healing in Solid‐State Batteries

open access: yesAdvanced Materials, EarlyView.
Dynamic interfacial self‐healing offers an adaptive route to mitigate coupled mechanical, chemical, and electrochemical degradation in solid‐state batteries. This review connects evolving interfacial failure mechanisms with physical‐flow, chemical‐restoration, stimuli‐responsive, and electric‐field‐assisted repair strategies, highlighting targeted self‐
Xinxin Zhu   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy