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Author (up) Shanmugaraj, K.; Mangalaraja, R.V.; Campos, C.H.; Singh, D.P.; Udayabhaskar, R.; Bedoya, S.; Aepuru, R. doi  openurl
  Title Platinum nanoparticles confined within TiO2 nanotube matrix for enhanced catalytic reduction of azure b dye Type
  Year 2023 Publication Materials Letters Abbreviated Journal Mater. Lett.  
  Volume 330 Issue Pages 133208  
  Keywords PtNPs-TiO2NTs; Catalytic reduction; Azure B; Pseudo-first order reaction  
  Abstract In this work, we report the synthesis of TiO2 nanotubes encapsulated platinum nanoparticles (PtNPs-TiO2NTs) as a highly efficient catalyst for the catalytic reduction of azure B (AZB) dye in the sodium borohydride (NaBH4) medium. The encapsulation of PtNPs (particle size similar to 2-3 nm) inside the TiO2NTs was confirmed by HR-TEM analysis. The as-prepared PtNPs-TiO2NTs exhibit higher conversion efficiency than 99 % with a pseudo-first order rate constant of 2.6 x 10(-3) s(-1). Owing to the confinement effect of PtNPs inside the TiO2NTs, the synthesized catalyst shows the superior operative stability even after 8 consecutive recycles without any loss in its activity. This work opens up new avenue for the designing of confined catalyst for various industrial catalytic reactions.  
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  ISSN 0167-577X ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000867682800006 Approved  
  Call Number UAI @ alexi.delcanto @ Serial 1686  
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