By inserting a layer of (dibenzoylmethanato)3-(bathophenanthroline)-ytterbium (Yb–C) between copper phthalocyanine (CuPc) emitting layer and electron transport layer, intense and broadband electroluminescence (EL) were achieved at 930–1300nm spectral region in a phosphorescent EL device. The intensity and bandwidth are increased by about 50 and 4 times, respectively, compared with the EL device without Yb–C layer. The improvement in the EL intensity and band broadening were attributed to the energy transfer from Yb–C to CuPc and the overlapping of the Yb3+ near-infrared emission band with the CuPc emission band.
Non-motor symptoms (NMS) occur commonly in PD patients. The NMS is associated with the deterioration of life quality in Parkinsons disease (PD), even exceeding the effects of the motor disorder. To determine the effects of cognitive behavior therapy (CBT) on NMS in PD, fifty-five PD individuals with CBT intervention were matched for forty-eight control PD participants. NMS of all PD patients including depressive symptoms, sleep quality, cognitive function and physical and mental health-related quality of life were respectively assessed. Results indicate that CBT ameliorates NMS of PD patients, and that is significantly related with the decreases of serum inflammatory cytokines levels.
An analytical model for the subthreshold current of fully depleted strained -SOI MOSFET was developed by solving the two-dimensional (2D) Poisson equation and the conventional drift-diffusion theory. Model verification was carried out using the 2D device simulator ISE. Good agreement was obtained between the model's calculations and the simulated results. By analyzing the model, the dependence of current on the strained Si layer strain, thickness and doping was studied. This subthreshold current model provides valuable reference to the FD-SSOI MOSFET design.
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