SnO₂ Transparent Printing Pastes from Powders for Photon Conversion in SnO₂‐Based Dye‐Sensitized Solar Cells

Abstract

Tino xide (SnO 2 )i st he most attractive alternative to titaniumo xide (TiO 2 )w ith the aim of identifying am ore positivec onduction band materialf or dye-sensitized solar cells (DSCs). This study puts forward ap rotocol based on grinding, sonication, andc entrifuge to generate transparent SnO 2 pastes to minimize light reflectance losses from the metal oxide. Under optimized conditions, ah ighlyt ransparent film with substantially enhanced light penetration depth througha ctive layer SnO 2 is realized for efficient light harvesting from two different commercially available powders (18 and 35 nm nanoparticle sizes). Ar uthenium sensitizer (B11)a nd two organic sensitizers (NL3 and MK2)a re shown to achieve higher or comparable photocurrent densities with SnO 2 relative to standard TiO 2 -based DSCs. SnO 2 -based DSCs show minimum recombination losses,c omparable chargec ollection efficiencies, and minimal photovoltage lossesr elative to TiO 2 DSCs. Thus, the optiono fatransparent metal oxide, which can facilitate high photocurrents (> 16 mA cm À2 observed)a nd lower recombination rates than TiO 2 is an attractive materialfor DSC applications.[a] Dr.

Integrating GaAs, Si, and Dye-Sensitized Solar Cells in Multijunction Devices and Probing Harsh Condition Behavior

“…Photovoltaic characteristics were measured as previously described for single DSC devices . For-series wired devices, measurements were made on the full series-wired multijunction system with a single illuminated area set to 1 sun at the front device.…”

“…Photovoltaic characteristics were measured as previously described for single DSC devices. 58 For-series wired devices, measurements were made on the full serieswired multijunction system with a single illuminated area set to 1 sun at the front device. The J−V curves were measured directly on photon-generated electricity passing through the full multijunction system.…”

An Efficient Copper-Based Redox Shuttle Bearing a Hexadentate Polypyridyl Ligand for DSCs under Low-Light Conditions

“…DSC devices were prepared as previously described in the literature. 100 Chenodeoxycholic acid (CDCA) was used as purchased from Chem-Impex International. TEC 10 glass was used for the photoanode, and TEC 7 glass was used for the counter electrode (Hartford Glass).…”

“…101 DSC cell measurements were conducted as previously reported. 100 J−V curves were generated utilizing masked solar cells with a circular active area of 0.1496 cm 2 . For low light studies, an Osram lamp (model 011318-L36W/930) was used as the illumination source.…”

Synthesis of Cu3P/SnO2 composites for degradation of tetracycline hydrochloride in wastewater

“…From the reports of photocatalytic materials in last decades, SnO 2 as a photocatalyst has drawn extensive attention due to its excellent optical properties, 21 electrical properties, 22 and stable gas–sensitive properties. 23 As an n-type semiconductor, SnO 2 has a quite wide band gap of about 3.6 eV, 24 which can only be excited by ultraviolet light with a wavelength of less than 400 nm, and its absorption efficiency is low under sunlight.…”