Junzhuan Wang

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The radial junction (RJ) architecture has proven beneficial for the design of a new generation of high performance thin film photovoltaics. We herein carry out a comprehensive modeling of the light in-coupling, propagation and absorption profile within RJ thin film cells based on an accurate set of material properties extracted from spectroscopic(More)
Split bull's eye (SBE) antennas exhibit much larger extraordinary optical transmission and strong polarization dependence rather than bull's eye (BE) antennas in the infrared range due to the introduced sub-wavelength slit. Here, we demonstrate a dual-split bull's eye (DSBE) antenna, which consists of two sub-wavelength slits crossing through the center of(More)
The ability to program highly modulated morphology upon silicon nanowires (SiNWs) has been fundamental to explore new phononic and electronic functionalities. We here exploit a nanoscale locomotion of metal droplets to demonstrate a large and readily controllable morphology engineering of crystalline SiNWs, from straight ones into continuous or discrete(More)
Hydrogenated microcrystalline silicon films without an amorphous incubation layer were deposited on glass substrates at a high rate and a low temperature by a jet-type inductively coupled plasma chemical vapor deposition technique. It was observed that the amorphous incubation layer present at the initial stage of the deposition gradually crystallized(More)
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