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Pb-free silver pastes based on SnO-B2O3 glass frits were synthesized and used for the front-contact electrodes of crystalline silicon (c-Si) solar cells. First, four kinds of SnO-B2O3 glass frits with different amounts of SnO were synthesized by a melt-quenching method, and four Ag pastes based on these glass frits were prepared correspondingly. Then, Ag pastes were printed on c-Si solar cells and...
In this letter, we presented a solution-processed photodetector with a configuration of field-effect transistor (FET) ITO/poly(4-vinylphenol) (PVP)/poly(3-hexylthiophene) (P3HT): poly(methyl methacrylate) (PMMA)/Au in which PVP acts as a dielectric layer and different PMMA content (20 wt.% $\sim ~60$ wt.%) in P3HT as active layer. The best electrical property of the photodetector under no illumination...
We report on the observation of the significant photocurrent response of a carbon nanotube (CNT) heterostructure device illuminated by continuous-wave terahertz (THz) radiation. The device consists of a double-walled CNT macrobundle contacted with two metallic nickel electrodes. A room-temperature current responsivity up to ∼0.3 mA/W was obtained when THz radiation was incident on the position of...
Field emission properties of various carbon nanostructures, including carbon nanotube (CNT) films, graphene, amorphous graphene and CNT/graphene composite films are investigated and compared. The crystallinity and surface morphology both play important role in field emission of nano-carbon materials.
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