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To reveal the detailed correlation between the controllability of structure parameters in fabrication process and the homogeneity of device performance of single photon avalanche diodes (SPADs), simulations on multi-parameter fluctuations are carried out. We find that, for typical InGaAsP/InP SPADs, significant fluctuation of structure parameters cause asymmetry distribution of the dark count rate...
Impressive efficiency enhancement of 15.38% of crystalline-silicon solar-cell with Eu-doped silicate-phosphors and SiO2-layer using spin-on technique is demonstrated. Reflectance, external quantum efficiency, and photovoltaic I-V characteristics are used to examine the downshifting effectiveness.
Electrical and optical performance of crystalline silicon solar cells with down shifting Eu-doped silicate phosphors film using spin-on film technique was experimental demonstrated. The coverage of phosphors particles was controlled using the deposition holding time by spin-on process. Photo-luminescence (PL) and external quantum efficiency (EQE) response of the cells with Eu-doped silicate phosphors...
Herein, a simple approach through vapor transport and condensation process for the synthesis of various large-scale AlN nanostructures has been demonstrated using AICI3 powder and NH3 as starting materials. Their structural and field emission (FE) properties were characterized. The nanostructure dependences of FE properties and the possible mechanism involved have been investigated and discussed.
We report a MEMS-integrated on-chip tunable resonator consisting of two coupled one-dimensional (1D) Photonic Crystal nanocavities capable of achieving a relatively large tuning range with no significant deterioration of quality factor and sufficiently large transmissions.
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