Sunlight as the most abundant renewable energy holds the promise to make our society
sustainable. However, due to its low power density and intermittence, efficient conversion …

Heterogeneous photocatalysis mediated by semiconducting TiO 2 has attracted continuous
interest during the past decades and has shown great potentials in environmental …

In photochemical production of hydrogen from water, the hole-mediated oxidation reaction is
the rate-determining step. A poor solar-to-hydrogen efficiency is usually related to a …

The inexorable rise of carbon dioxide level in the atmosphere, already exceeding 400 ppm,
highlights the need for reduction of CO2 emissions. Harvesting solar energy to drive reverse …

Environmental pollution and destruction as well as the lack of sufficient clean and natural
energy resources are some of the most serious problems presently faced on a global scale …

Concerns over the availability of clean water and the quality of treated wastewater are
significant problems that call for an appropriate solution to improve the water quality. The …

Rising atmospheric levels of carbon dioxide and the depletion of fossil fuel reserves raise
serious concerns about the ensuing effects on the global climate and future energy supply …

Photocatalysis has recently been emerged as an effective green solution for antimicrobial
disinfection applications. Photocatalytic disinfection has been observed to be efficient in …

Heterogeneous photocatalytic systems have the potential to provide a green organic
synthesis route for a number of industrially important chemicals. Issues remain with lack of …

The ultrafast dynamics of photoexcited charge carriers in condensed matter systems play an
important role in optoelectronics and solar energy conversion. Yet it is challenging to …