These light-emitting nanocrystals could help in medical imaging and optics.
Researchers have discovered a new technique for developing the creation of light-emitting "giant" quantum dots. A photonic nanocrystal substance that can be synthesized and used in medical imaging and optics.Quantum dots are colloidal semiconductor nanocrystals, about the size of an electron. They are synthesized in a solution, and when a light source is aimed at them, they fluoresce, and stay emitting light for an extended period of time.
The group included researchers from Princeton University, and Pennsylvania State University, as well as those at the lead study laboratory at University of Chicago.The team demonstrated a new property and structure concept that can spatially localize electrons. This new structure allows the electrons to focus on holes within a core or shell heterostructure. This is performed by tuning the charge electron to the kinetic energy of a parabolic potential energy surface.
“These properties enable new applications for optics, facilitate novel approaches such as time-gated single-particle imaging and create inroads for the development of other new advanced materials,” he said in a statement.The researchers were able to place the quantum dot into a state of excitation by placing them in a beam of light, which resulted in an "exciton" state. The exciton state is an electron or hole pair.
Research can continue for these larger quantum dots, because of their continuous light emitting properties. Any scientist who is studying cancer can, for instance, tag relevant proteins. Then those proteins can be followed in the course of the cell's lifetime without the loss of biological dynamics. This is a common problem with study fluorescence today.Materials for studying biological interactions and for alternative energy applications are continuously under development.
Canada Latest News, Canada Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
More than 500 migrants arrive in Italy as rescue ships dockItaly, which has vowed a tough line on immigration, took in more than 500 migrants on Sunday as two charity rescue ships were allowed to dock at ports in the south of the country after several days at sea in bad weather.
Read more »
Exclusive: Air India nears historic order for up to 500 jetsAir India is close to placing landmark orders for as many as 500 jetliners worth tens of billions of dollars from both Airbus and Boeing as it carves out an ambitious renaissance under the Tata Group conglomerate, industry sources said on Sunday.
Read more »
Watch: Tesla Semi's 500-Mile Drive On One ChargeJust days before this delivery day — that came after 5 years — the automaker tested the Tesla Semi for a 500-mile run on a single charge,
Read more »
S&P 500 Futures, US Treasury bond yields portray market fears, focus on recession, FedMarkets begin the key week on a negative note as recession woes join the pre-data/event anxiety during early Monday. The risk-off mood, however, fails
Read more »
Photos: “Christmas with the Currys” celebration helps 500 needy families at Oakland’s The Bridge YardThe Christmas spirit came alive in West Oakland on Sunday thanks to Stephen and Ayesha Curry’s Eat. Learn. Play. Foundation.
Read more »