Photon upconversion has the potential to increase the efficiency of single bandgap solar cells beyond the Shockley Queisser limit. Efficient light management is an important point in this context.

Achieving photochemical upconversion in a solid state is a step closer to reality, thanks to a new technique that could unlock vital innovations in renewable energy, water purification and advanced ...

A research group led by Prof. DONG Zhenchao from University of Science and Technology of China (USTC) of Chinese Academy of Sciences has proposed and realized a new and highly efficient upconversion ...

Researchers have unveiled a novel concept termed 'supercritical coupling' that enables several folds increase in photon upconversion efficiency. This discovery not only challenges existing paradigms, ...

(Nanowerk News) Recently, a research team led by Prof. LIU Xinfeng from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS) reported the efficient ...

A new material that mimics the structure of a leaf helps light-sensitive dyes convert low-energy light into high-energy photons, a process known as upconversion (ACS Nano 2014, DOI: 10.1021/nn502496a) ...

Photon upconversion involves a series of non-linear optical processes where the sequential absorption of two or more photons leads to the emission of a single photon with energy greater than the sum ...

A better understanding of how electrons convert energy into photons could lead to designing more efficient solar cells or better phototherapies for cancer. Researchers looking into the process have ...

Chemists and materials scientists from the University of Groningen and the FOM Foundation, both in the Netherlands, have found a way of “harvesting” infrared light more efficiently. For this they use ...

Innovative, new ways for solar cells to absorb and use infrared light, a portion of the solar spectrum that is typically unavailable for solar cell technology, have been researched by a team of ...