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High performance CH3NH3PbI3 perovskite photodetectors are realized by applying thin films of fullerene derivatives as interfacial layers between the metal contact and the perovskite materials. The perovskite photodetector with PC61BM interlayer demonstrates much better performance than that with IC60BA interlayer, reaching a responsivity of 57.6 mA/W. The influences of different fullerene derivatives...
We report the perovskite:SWNTs solar cells fabricated using solvent-solvent extraction (SSE) method at room temperature. Small quantities of Single-walled carbon nanotubes (SWNTs) are incorporated into perovskite Methylammonium lead halide (CH3NH3PbI3) layer, and enhance the power conversion efficiency (PCE) of the perovskite solar cell from 8.5% to 10.6%. SWNTs act as hole transport channels boosting...
Excellent broadband antireflection (AR) effect from thin films of monolayer silica nanospheres with diameter of ∼100nm self-assembled on glass substrates was demonstrated. With a monolayer thin film of silica nanospheres coated on both sides of a glass, we achieved maximum transmittance of ∼99% at 560nm. Preliminary result shows that such monolayer thin film could be applied in organic solar cells...
In this work, we demonstrate heterojunction photovoltaic devices utilizing transparent and conducting single wall carbon nanotube (SWNT) thin films as the p-layer on n-type crystalline silicon substrate. The best device shows a short circuit current of 2.74 mA/cm2 with an open circuit voltage of 0.4V (AM 1.5). In addition, the concept of applying SWNT film to a thin-film amorphous Si solar cell is...
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