Geometric asymmetry is introduced in graphene-based nanofluidic devices to enhance ion current rectification.
Advanced Science
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.
Photoanodes for Efficient Water Splitting by Photoelectrochemical Cells
Novel hematite-derived photoanodes for photoelectrochemical (PEC) cells improve the efficiency of solar energy storage by water splitting.
Roll-to-roll fabrication of fullerene-free organic solar cells
A new paper introduces a new fabrication method for fullerene-free organic solar cells to help address their limitations and improve production efficiency.
Inkjet-Printed Solar Cells
Thin-film light absorbers are fabricated using an inkjet printer, and show power-conversion efficiencies of about 6.4%.
Polymer Thermoelectrics
New polymer-inorganic semiconductor composite breaks the record for n-type conducting polymers.
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