supported by the National Natural Science Foundation of China (Grant Nos. 90923003, 10874234, 20703064 and 10804015);the Natural Science Foundation of Liaoning Province (Grant No. 20102039)
We obtained n-type and p-type modified graphene by mixing quantum dots and depositing electron-acceptor molecules on the surface of graphene, respectively. The electrical and optical properties of these two types of s...
Project supported by the National Natural Science Foundation of China (Grant No. 10804015 );the Science Foundation of the Education Department of Liaoning Province of China (Grant No. 2009A417)
yb^3+:Er^3+ co-doped oxy-fluoride ceramics glass has been prepared. The mechanism of up-conversion emissions about Er^3+ was discussed, and the temperature properties of green up-conversion fluorescence between 30...
supported by the National Natural Science Foundation of China (Grant No. 10804015);China Postdoctoral Science Foundation (Grant No. 20090450620);the Scientific Research Foundation for Doctor of Liaoning Province (Grant No. 20071095);the Educational Committee Foundation of Liaoning Province (Grant Nos. 2008123 and 20060494);the Science and Technique Foundation of Dalian (Grant No. 2008J23JH022)
Infrared to green up-conversion emissions centered at the wavelengths of about 524 and 550 nm of the Er3+-Yb3+ codoped borosilicate glass are recorded,using a 978 nm semiconductor laser diode(LD) as an excitation sour...
Project supported by the National Natural Science Foundation of China (Grant No. 10804015);the Science Foundation of the Education Department of Liaoning Province of China (Grant No. 2009A417)
Yb^3+:Er^3+:Tm^3+co-doped borosilicate glasses are prepared. Their strong up-conversion photoluminescence spectra in a range from ultra-violet to near-infrared, which are excited by a 978-nm laser diode, are meas...