Halogen bonds were first proposed as an activating interaction in 2008, but this alternative type of organocatalysis was ...

Electronics companies have experienced some chemical reactions in the past two decades. Many will recall the European RoHS Directive (Restriction of Hazardous Substances), which came into force in ...

New research shows that using halogens -- a class of elements that include fluoride, bromine, chlorine and iodine -- in a dye-sensitized solar cell can increase conversion efficiency by 25 per cent.

Figure 1: Column ozone decrease due to VSLSs and RE. Figure 2: Altitude-resolved ozone decrease due to VSLSs and long-lived ODSs. Figure 3: Trend in VSLS-driven ozone loss and CH 2 Cl 2 growth. The RF ...

It's been difficult to explain patterns of toxic mercury in some parts of the world, such as why there's so much of the toxin deposited into ecosystems from the air in the southeastern United States, ...