Inserting a spacer layer between the donor and the acceptor material of organic photovoltaic (OPV) devices enhances their power conversion efficiency.
Advanced Science
In Situ Studies Pave Path for Stable Lithium Electrodes
Perpendicular inhomogeneities in lithium electrodes have been studied in real time using synchrotron radiation.
Graphene-wrapped sulfur makes for better batteries
Chinese researchers have developed a graphene-based composite material to improve the performance of lithium-sulfur batteries.
Challenging the classical viewpoint: NIR photoluminescence in divalent manganese
Tailoring near-infrared photoluminescence through activator aggregation and super-exchange between manganese ions in a perovskite lattice is presented.
Breaking Graphene’s Symmetry: New Routes for Nanofluidic Diodes
Geometric asymmetry is introduced in graphene-based nanofluidic devices to enhance ion current rectification.
Performance Improves for Sodium-Ion Batteries
Batteries advance with improved efficiency in positive sodium-ion electrodes, achieved using copper and iron.
Improved battery performance from tin oxide anodes
New form of tin oxide anode combined with carbon nanotubes shows increased electrical performance in lithium and sodium ion batteries.
Easy phase transitions spur high piezoelectric responses
First-principles calculations reveal a flat energy landscape between the coexisting polymorphs in strained BiFeO3 thin films, which may lead to enhanced piezoelectric response.
A new concept for quasi-superlattice-based transistors
Researchers present a new concept for solution-processed low-dimensional metal oxide quasi-superlattice-based transistors with dramatically enhanced electron mobilities.
Multifunctional nanoarrays: flexible and precise nanolithography
High resolution nanolithography from combined fabrication processes creates multifunctional nanoarrays with applications in nanoimprinting and plasmonics.
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