Results 101 to 110 of about 474,670 (277)

Intermolecular Interactions as Driving Force of Increasing Multiphoton Absorption in a Perylene Diimide‐Based Coordination Polymer

open access: yesAdvanced Functional Materials, EarlyView.
This study uncovers the unexplored role of intermolecular interactions in multiphoton absorption in coordination polymers. By analyzing [Zn2tpda(DMA)2(DMF)0.3], it shows how the electronic coupling of the chromophores and confinement in the MOF enhance two‐and three‐photon absorption.
Simon Nicolas Deger   +11 more
wiley   +1 more source

The Sun Rises in the East (of Africa): A Comparison of the Development and Status of the Solar Energy Markets in Kenya and Tanzania [PDF]

open access: yes
This paper describes, compares and analyses the historical development and current status of Kenya's and Tanzania's emerging solar energy markets. The analysis is based on an extensive literature survey and 25 in-depth personal interviews with experts on
Janosch Ondraczek
core  

Advancing Electronic Application of Coordination Solids: Enhancing Electron Transport and Device Integration via Surface‐Mounted MOFs (SURMOFs)

open access: yesAdvanced Functional Materials, EarlyView.
The layer‐by‐layer (LbL) assembly of coordination solids, enabled by the surface‐mounted metal‐organic framework (SURMOF) platform, is on the cusp of generating the organic counterpart of the epitaxy of inorganics. The programmable and sequential SURMOF protocol, optimized by machine learning (ML), is suited for accessing high‐quality thin films of ...
Zhengtao Xu   +2 more
wiley   +1 more source

Nomadism and intermittent ubiquity in ‘off the grid’ Shuar people

open access: yesCommunication & Society (Formerly Comunicación y Sociedad), 2015
Media ecology suggests that the anyone, anywhere, anytime slogan of the ubiquitous society characterizes our times. A priori, mobile technology in the “digital ecosystem” fits this circumstance.
Saleta De Salvador-Agra   +1 more
doaj   +1 more source

Technical sustainability of solar PV institutions : results from a field survey of 43 sites in Malawi [PDF]

open access: yes, 2015
With grid connection rates in Malawi at 9% (5% for rural population) and 87% of primary schools lacking electricity, future connection for a significant share of the remaining schools through off-grid means is a plausible scenario.
Dauenhauer, Peter   +2 more
core  

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

The mechanism of DFIGs grouping tripped off from power grid

open access: yesCSEE Journal of Power and Energy Systems, 2018
With more and more big wind farms integrating to grid, the faults of doubly fed induction generators (DFIGs) grouping tripped off (GTO) have occurred and bring serious power impacts on the grid.
Gang Mu, Jian Wang, Gangui Yan
doaj   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

Optimization of the economic-technical model for hydrogen production with an approach to utilizing solar power plants and waste-to-energy conversion

open access: yesFuel Communications
The present research work is related to the optimization of a hybrid renewable energy system, combining Waste-to-Energy (WTE) and Photovoltaic (PV) technologies for hydrogen production by means of water electrolysis in both on-grid and off-grid operation
Mohammad Hossein Gholizadeh   +3 more
doaj   +1 more source

Tracking battery state-of-charge in a continuous use off-grid electricity system [PDF]

open access: yes, 2013
The growing importance of batteries in the delivery of primary energy, for example in electric vehicles and isolated off-grid electricity systems, has added weight to the demand for simple and reliable measures of a battery’s remaining stored energy at ...
Alahmari, Mohammed Mushabab   +1 more
core   +2 more sources

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