Photoelectrochemical devices based on semiconductor photoelectrode can directly convert
and store solar energy into chemical fuels. Although the efficient photoelectrodes with …

Semiconductor photoelectrochemistry is a powerful means for efficient conversion of solar
energy to chemical fuels. Practical implementation of this promising technology has been …

Protective layers are essential for Si-based photocathodes to achieve long-term stability.
The conventionally used inorganic protective layers, such as TiO2, need to be free of …

Amorphous titanium dioxide (TiO2) film coating by atomic layer deposition (ALD) is a
promising strategy to extend the photoelectrode lifetime to meet the industrial standard for …

Silicon (Si) is a suitable absorber for constructing highly efficient solar cells and
photoelectrodes, because of its narrow band gap (1.12 eV), Earth abundance, and excellent …

Cuprous oxide (Cu2O) has attracted extensive attention for use in the production of
hydrogen through photoelectrochemical water-splitting reactions. However, because the …

Encapsulating an electrocatalytic material with a semipermeable, nanoscopic oxide
overlayer offers a promising approach to enhancing its stability, activity, and/or selectivity …

Atomic layer deposition (ALD) is an established method to prepare protective layers for Si-
based photoelectrodes for photoelectrochemical (PEC) water splitting. Although ALD has …

The long-term stability of p-GaAs photocathodes has been investigated for the hydrogen-
evolution reaction (HER) in contact with either 1.0 M H2SO4 (aq) or 1.0 M KOH (aq). Stability …

Ni and NiOx-based protective thin films are shown to catalyze the oxidation of Si in the
presence of O2 in strongly alkaline KOH (aq) even in the absence of illumination. The O2 in …