Highlights•Hydrogen has a key role for a multisectorial defossilization and decarbonization.•
System-wide assessments of the impacts of a hydrogen economy on SDGs are …

The cost‐effective, robust, and efficient electrocatalysts for photoelectrochemical (PEC)
water‐splitting has been extensively studied over the past decade to address a solution for …

The Sun is an inexhaustible source of renewable energy, although under-utilized due to its
intermittent nature. Hydrogen fuel is another clean, storable, and renewable energy as it can …

The effect of anthropological greenhouse gas (GHG) emissions on climate change is a
staple of globalized civilization, which makes carbon-rich fossil fuel replacement an …

Photocatalytic and photoelectrochemical processes are two key systems in harvesting
sunlight for energy and environmental applications. As both systems are employing …

This study presents an overview of the current status of hydrogen production in relation to
the global requirement for energy and resources. Subsequently, it symmetrically outlines the …

It is widely recognised that renewable hydrogen will play a key role in our future energy mix.
One approach is to use photocatalytic water-splitting devices for sustainable hydrogen …

Photoelectrochemical (PEC) water splitting is an interesting approach to harness clean and
renewable solar energy to generate green hydrogen. To this end, metal oxides (MOs) have …

The increasingly serious energy crisis and environmental pollution caused by the excessive
use of fossil fuels have been prompting China to aggressively seek a clean and self …

This paper aims to holistically study hydrogen production options essential for a sustainable
and carbon-free future. This study also outlines the benefits and challenges of hydrogen …