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Showing 1–6 of 6 results
Advanced filters: Author: Eric Wei-Guang Diau Clear advanced filters

  • Metal chalcogenide quantum dots (QDs) and lead halide perovskites are two types of prospective light harvesters for mesoscopic solar cells. The two most promising QD sensitizers are PbS and Sb2S3, for which the PCEs of their corresponding QDSCs have attained ∼7% in 2012. In 2013, the performance of a TiO2 solar cell sensitized with lead-iodide perovskite (CH3NH3PbI3) was optimized to attain an overall power conversion efficiency of 15%, which is a new milestone for solar cells of this type, with a device structure similar to that of a dye-sensitized solar cell.

    • Jae Hui Rhee
    • Chih-Chun Chung
    • Eric Wei-Guang Diau
    ReviewsOpen Access
    NPG Asia Materials
    Volume: 5, P: e68

  • A novel two-step approach is presented for the fabrication of self-assembled monolayers of platinum nanocrystals (SAM-Pt) uniformly deposited on a transparent conducting oxide (TCO) surface to serve as a counter electrode (CE) for dye-sensitized solar cells (DSSCs). A true self-assembled Pt nanocrystalline monolayer with a mean particle size of ∼3 nm at facet {111} was unambiguously observed in the high-resolution TEM images. We emphasize that the SAM-Pt films feature a clean surface, uniform morphology, narrow size distribution, small Pt loading and great catalytic activity; the present approach is hence not only suitable for DSSCs but is also promising for many other energy-related applications that require platinum as an efficient catalyst to expedite the oxygen reduction reaction (ORR).

    • Lu-Lin Li
    • Hsin-Hui Wu
    • Eric Wei-Guang Diau
    ResearchOpen Access
    NPG Asia Materials
    Volume: 6, P: e118

  • Near infrared energy remains untapped toward the maneuvering of entire solar spectrum harvesting for fulfilling nuts and bolts of solar hydrogen production. Here, the authors report the use of Au@Cu7S4 yolk@shell nanocrystals for hydrogen production from untapped near infrared energy.

    • Chun-Wen Tsao
    • Sudhakar Narra
    • Yung-Jung Hsu
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-13

  • Metal halide perovskite solar cells are emerging as next-generation photovoltaics, offering an alternative to silicon-based cells. This Primer gives an overview of how to fabricate the photoactive layer, electrodes and charge transport layers in perovskite solar cells, including assembly into devices and scale-up for future commercial viability.

    • Jiye Han
    • Keonwoo Park
    • Il Jeon
    Reviews
    Nature Reviews Methods Primers
    Volume: 5, P: 1-27