Now showing items 1-8 of 8

    • Chromium phosphide CrP as highly active and stable electrocatalysts for oxygen electroreduction in alkaline media 

      Liu, Junfeng; Yu, Xiaoting; Du, Ruifeng; Zhang, Chaoqi; Zhang, Ting; Llorca Piqué, Jordi (2019-11-05)
      Article
      Restricted access - publisher's policy
      Catalysts for oxygen reduction reaction (ORR) are key components in emerging energy technologies such as fuel cells and metal-air batteries. Developing low-cost, high performance and stable electrocatalysts is critical for ...
    • Colloidal Ni-Co-Sn nanoparticles as efficient electrocatalysts for the methanol oxidation reaction 

      Li, Junshan; Luo, Zhishan; He, Feng; Zuo, Yong; Zang, Chaoqui; Liu, Junfeng; Yu, Xiaoting; Du, Ruifeng; Zhang, Ting; Infante Carrió, Maria F.; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (Royal Society of Chemistry (RSC), 2018-01-01)
      Article
      Open Access
      The deployment of direct methanol fuel cells requires engineering cost-effective and durable electrocatalysts for the methanol oxidation reaction (MOR). As an alternative to noble metals, Ni-based alloys have shown excellent ...
    • Colloidal Ni2-: XCoxP nanocrystals for the hydrogen evolution reaction 

      Liu, Junfeng; Wang, Zhenxing; David, Jeremy; Llorca Piqué, Jordi (Royal Society of Chemistry (RSC), 2018-05-11)
      Article
      Open Access
      A cost-effective and scalable approach was developed to produce monodisperse Ni2-xCoxP nanocrystals (NCs) with composition tuned over the entire range (0 = x = 2). Ni2-xCoxP NCs were synthesized using low-cost, stable and ...
    • Graphene-supported palladium phosphide PdP2 nanocrystals for ethanol electrooxidation 

      Liu, Junfeng; Luo, Zhishan; Junshan, Li; Yu, Xiaoting; Llorca Piqué, Jordi; Nasiou, Déspina; Arbiol, Jordi; Meyns, Michaela; Cabot, Andreu (2019-03-01)
      Article
      Restricted access - publisher's policy
      We present a procedure to produce single-phase PdP2 nanocrystals (NCs). The approach involves the reaction of palladium(II) acetylacetonate and hexamethylphosphoroustriamide to nucleate defective Pd5P2 nanoparticles that ...
    • NiSn bimetallic nanoparticles as stable electrocatalysts for methanol oxidation reaction 

      Li, Junshan; Luo, Zhishan; Zuo, Yong; Liu, Junfeng; Zhang, Ting; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (2018-10-15)
      Article
      Open Access
      Nickel is an excellent alternative catalyst to high cost Pt and Pt-group metals as anode material in direct methanol fuel cells. However, nickel presents a relatively low stability under operation conditions, even in ...
    • Porous NiTiO3/TiO2 nanostructures for photocatatalytic hydrogen evolution 

      Xing, Congcong; Liu, Yongpeng; Zhang, Yu; Liu, Junfeng; Zhang, Ting; Soler Turu, Lluís; Llorca Piqué, Jordi (Royal Society of Chemistry (RSC), 2019-01-01)
      Article
      Open Access
      We present a strategy to produce porous NiTiO3/TiO2 nanostructures with excellent photocatalytic activity toward hydrogen generation. In a first step, nickel-doped TiO2 needle bundles were synthesized by a hydrothermal ...
    • SnP nanocrystals as anode materials for Na-ion batteries 

      Liu, Junfeng; Wang, Shutao; Kravchyk, Kostiantyn; Llorca Piqué, Jordi (Royal Society of Chemistry (RSC), 2018-05-14)
      Article
      Open Access
      Tin monophosphide is a layered material consisting of Sn–P–P–Sn sandwiches that are stacked on top of each other to form a three dimensional crystallographic structure. Its composition and crystal structure makes it an ...
    • Superior methanol electrooxidation performance of (110)-faceted nickel polyhedral nanocrystals 

      Li, Junshan; Zuo, Yong; Liu, Junfeng; Du, Ruifeng; Infante Carrió, Maria F.; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (Royal Society of Chemistry (RSC), 2019-10-14)
      Article
      Restricted access - publisher's policy
      We present the synthesis of (110)-faceted nickel polyhedral nanocrystals (NCs) and their characterization as electrocatalysts for the methanol oxidation reaction (MOR). Ni NCs were produced at 180 °C through the reduction ...