2016
DOI: 10.1007/s40534-016-0120-8
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Synthesis and photoelectrical performance of nanoscale PbS and Bi2S3 co-sensitized on TiO2 nanotube arrays

Abstract: TiO 2 films have been widely applied in photovoltaic conversion techniques. TiO 2 nanotube arrays (TiO 2 NAs) can be grown directly on the surface of metal Ti by the anodic oxidation method. Bi 2 S 3 and PbS nanoparticles (NPs) were firstly co-sensitized on TiO 2 NAs (denoted as PbS/Bi 2 S 3 (n)/TiO 2 NAs) by a two-step process containing hydrothermal and sonication-assisted SILAR method. When the concentration of Bi 3? is 5 mmol/L, the best photoelectrical performance was obtained under simulated solar irradi… Show more

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Cited by 3 publications
(2 citation statements)
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“…The cascade type of TiO 2 /CdS/CdSe arrangement boosts higher efficiency over [36] which clearly indicating the existence of promising results in this area. Other than cadmium chalcogenides, compounds such as PbS and Bi 2 S 3 have also found as suitable for improving the efficiency through co-sensitization process [20]. Besides, co-sensitization of Ag 2 S (3 SILAR cycles) and Bi 2 S 3 (3 SILAR cycles) nanoparticles with TiO 2 nanotubes produced high photocurrent which clearly shows that optimum level of deposition cycle is required to achieve high photocurrent and beyond that, decrease in photocurrent is observed [246].…”
Section: Co-sensitization By Quantumdots On Tio 2 Nanotube Array Photmentioning
confidence: 99%
“…The cascade type of TiO 2 /CdS/CdSe arrangement boosts higher efficiency over [36] which clearly indicating the existence of promising results in this area. Other than cadmium chalcogenides, compounds such as PbS and Bi 2 S 3 have also found as suitable for improving the efficiency through co-sensitization process [20]. Besides, co-sensitization of Ag 2 S (3 SILAR cycles) and Bi 2 S 3 (3 SILAR cycles) nanoparticles with TiO 2 nanotubes produced high photocurrent which clearly shows that optimum level of deposition cycle is required to achieve high photocurrent and beyond that, decrease in photocurrent is observed [246].…”
Section: Co-sensitization By Quantumdots On Tio 2 Nanotube Array Photmentioning
confidence: 99%
“…Semiconducting PbS nanoparticles are solution-processable and suitable material for solar cells due to their flexible optical and electrical properties [6][7][8][9]. PbS nanoparticles are used in photovoltaics for their properties like tunable band gap depending on particle size, large annihilation coefficient, and multiple exciton generation (MEG) with singlephoton absorption [10][11][12][13]. It is the most vital challenge to fabricate simple low-cost photovoltaic devices with high efficiency.…”
Section: Introductionmentioning
confidence: 99%