TY - JOUR
T1 - Phase controllable synthesis of Ni2+ post-modified CoP nanowire for enhanced oxygen evolution
AU - Han, Xiaotong
AU - Yu, Chang
AU - Huang, Huawei
AU - Guo, Wei
AU - Zhao, Changtai
AU - Huang, Hongling
AU - Li, Shaofeng
AU - Liu, Zhibin
AU - Tan, Xinyi
AU - Gao, Zhanming
AU - Yu, Jinhe
AU - Qiu, Jieshan
N1 - Generated from Scopus record by KAUST IRTS on 2023-09-21
PY - 2019/8/1
Y1 - 2019/8/1
N2 - Recently, tailor-made NiCo bimetallic phosphides hold a promising platform material in many fields such as catalysis and electrochemical energy storage and conversion. Typically, the traditional one-step phosphorization route offers limited phase control, with hexagonal phosphide phase structure (Ni2P type). Moreover, the phase component sensitively depends on the metal ratio to a great degree, posing great challenges to synthesize NiCo bimetallic phosphides with tuned composition and phase structure. Herein, we report a carbon encapsulated Ni2+ post-modified CoP nanowire (denoted as Ni[sbnd]CoP@C)with single orthorhombic CoP phase structure and tuned Ni doping content via a facile & novel in-situ isomorphous-substitution method. More importantly, no any phase separation occurs, also further achieving a high Ni doping content (57 at%)that is less realized previously. As an example application, the as-made Ni[sbnd]CoP@C nanowire exhibits excellent oxygen evolution reaction (OER)activity and stability, showing promising potential in the field of water splitting. The present novel strategy will pave the way for further phase controllable fabrication of bi/multi-metal-based materials in catalysis and energy storage & conversion fields.
AB - Recently, tailor-made NiCo bimetallic phosphides hold a promising platform material in many fields such as catalysis and electrochemical energy storage and conversion. Typically, the traditional one-step phosphorization route offers limited phase control, with hexagonal phosphide phase structure (Ni2P type). Moreover, the phase component sensitively depends on the metal ratio to a great degree, posing great challenges to synthesize NiCo bimetallic phosphides with tuned composition and phase structure. Herein, we report a carbon encapsulated Ni2+ post-modified CoP nanowire (denoted as Ni[sbnd]CoP@C)with single orthorhombic CoP phase structure and tuned Ni doping content via a facile & novel in-situ isomorphous-substitution method. More importantly, no any phase separation occurs, also further achieving a high Ni doping content (57 at%)that is less realized previously. As an example application, the as-made Ni[sbnd]CoP@C nanowire exhibits excellent oxygen evolution reaction (OER)activity and stability, showing promising potential in the field of water splitting. The present novel strategy will pave the way for further phase controllable fabrication of bi/multi-metal-based materials in catalysis and energy storage & conversion fields.
UR - https://linkinghub.elsevier.com/retrieve/pii/S2211285519303891
UR - http://www.scopus.com/inward/record.url?scp=85065671958&partnerID=8YFLogxK
U2 - 10.1016/j.nanoen.2019.04.088
DO - 10.1016/j.nanoen.2019.04.088
M3 - Article
SN - 2211-2855
VL - 62
SP - 136
EP - 143
JO - Nano Energy
JF - Nano Energy
ER -