Open Access

Current diagnostic procedures for attention deficit hyperactivity disorder (ADHD) are mainly subjective and prone to bias. While research on potential biomarkers, including EEG, brain imaging, and genetics is promising, it has yet to demonstrate clinical utility. [...]

We report on an experimental study of spin and valley blockade in two-electron bilayer graphene (BLG) double quantum dots (DQDs) and explore the limits set by asymmetric orbitals and electron-electron interactions. The results obtained from magnetotransport measurements on two-electron BLG DQDs, where the resonant tunneling transport involves both orbital symmetric and antisymmetric two-particle states, show a rich level spectrum. [...]

Encapsulating few-layer graphene (FLG) in hexagonal boron nitride (hBN) cancause nanoscale inhomogeneities in the FLG, including changes in stackingdomains and topographic defects. Due to the diffraction limit, characterizingthese inhomogeneities is challenging [...]

Organic photovoltaics (OPV) now can exceed 20% power conversion efficiency in single junction solar cells. To close the remaining gap to competing technologies, both fill factor and open-circuit voltage must be optimized. [...]

Intensive light soaking (LS) is an effective post-treatment to boost the efficiency of hydrogenated amorphous Si (a-Si:H)/crystalline Si (c-Si) heterojunction solar cells. To date, devices have been annealed and illuminated with an intensity of up to 100 suns. [...]

Flexible emerging photovoltaic technologies, such as organic and perovskite photovoltaics, hold great potential for integration into tents, wearable electronics, and other portable applications. Recently, Fukuda et al. [...]

In recent years, metal halide perovskites have emerged as a promising alternative to existing semiconductor materials in many applications due to its appealing properties. Despite perovskite huge potentials in many applications, they are still suffering from different kinds of stability issues that are hindering their marketability. [...]