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Using a home-built time-of-flight mass spectrometer (TOFMS), a research team led by Prof. Haiyang Li from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) has discovered a new competition mechanism in vacuum ultraviolet photoionization of dichloromethane that is useful for studying the stratospheric ozone depletion mechanism and photodegradation of harmful haloalkanes.
3 and Cs
5 phase during the thermal annealing dehydration step.
This work highlights the tunable optical properties in single component NCs via phase engineering and provides a new avenue for future endeavors in light-emitting devices.
“Moreover, this proposed strategy is important in obtaining the stability of NCs against destruction by air and water and provides a unique approach for the application of this material in anti-counterfeiting,” said Prof. HAN.
This work was supported by the National Key Research and Development Program of China, the National Natural Science Foundation of China, the Scientific Instrument Developing Project of CAS, Liaoning Revitalization Talents Program, and the Dalian City Foundation for Science and Technology Innovation.