We investigate the emission properties of CuI film scintillators and the effect of distributed Bragg reflectors.The free-exciton emission and the donor-acceptor pair emission from the CuI thin film with the peak wavel...We investigate the emission properties of CuI film scintillators and the effect of distributed Bragg reflectors.The free-exciton emission and the donor-acceptor pair emission from the CuI thin film with the peak wavelengths of 410 nm and 420 nm are observed.However,for the two emission bands,the distributed Bragg reflector reflection results in different enhancements,which is interpreted by the varying transmittance with wavelength.Angle-dependence of emission profile is decided by the transmittance and DBR reflection,which may be useful in scintillation detection applications.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 11179019,11044011and 91022002Innovation Program of Shanghai Municipal Education Commission under Grant No 11ZZ29+1 种基金Shanghai Municipal Science and Technology Commission under Grant No 11ZR1440500the Fundamental Research Funds for the Central Universities.
文摘We investigate the emission properties of CuI film scintillators and the effect of distributed Bragg reflectors.The free-exciton emission and the donor-acceptor pair emission from the CuI thin film with the peak wavelengths of 410 nm and 420 nm are observed.However,for the two emission bands,the distributed Bragg reflector reflection results in different enhancements,which is interpreted by the varying transmittance with wavelength.Angle-dependence of emission profile is decided by the transmittance and DBR reflection,which may be useful in scintillation detection applications.
