+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Enhanced Photocatalytic Hydrogen Evolution of NiCoP/g-C 3 N 4 with Improved Separation Efficiency and Charge Transfer Efficiency

Enhanced Photocatalytic Hydrogen Evolution of NiCoP/g-C 3 N 4 with Improved Separation Efficiency and Charge Transfer Efficiency

Chemsuschem 11(1): 276-284

Although NiCoP has attracted much attention in the field of electrocatalysis, the study of its photocatalytic activity and mechanism have been somewhat limited. NiCoP/g-C3 N4 , synthesized by simple one-pot method, is a highly efficient photocatalyst for hydrogen production from water. NiCoP/g-C3 N4 exhibits a hydrogen evolution rate of 1643 μmol h-1  g-1 , which is 21 times higher than that of bare g-C3 N4 . The excellent performance is due to a combination of improved separation efficiency and effective charge transfer efficiency. The photogenerated charge behavior is characterized by the surface photovoltage (SPV), transient photovoltage (TPV), and photoluminescence spectroscopy. The photogenerated charge transport is investigated by electrochemical impedance spectroscopy and polarization curve. Moreover, the effective charge transfer efficiency was measured according to the mimetic apparent quantum yield. SPV and TPV measurements, whereby 10 vol % of a triethanolamine-water mixture was added into the testing system, were taken to simulate the real atmosphere for photocatalytic reaction, which can give rise to the photogenerated charge transfer process. A possible photocatalytic mechanism was also proposed. This study may provide an efficient theoretical basis to design transition metal phosphide cocatalyst-modified photocatalysts.

Please choose payment method:

(PDF emailed within 0-6 h: $19.90)

Accession: 059684633

Download citation: RISBibTeXText

PMID: 28968003

DOI: 10.1002/cssc.201701574

Related references

Co(II)-grafted Ag3PO4 photocatalysts with unexpected photocatalytic ability: Enhanced photogenerated charge separation efficiency, photocatalytic mechanism and activity. Journal of Hazardous Materials 293: 72-80, 2015

Enhanced Charge Separation Efficiency Accelerates Hydrogen Evolution from Water of Carbon Nitride and 3,4,9,10-Perylene-tetracarboxylic Dianhydride Composite Photocatalyst. Acs Applied Materials and Interfaces 10(4): 3515-3521, 2018

Polypyrrole/Bi2WO6composite with high charge separation efficiency and enhanced photocatalytic activity. Journal of Materials Science 49(20): 7325-7332, 2014

Mesoporous TiO 2 Embedded with a Uniform Distribution of CuO Exhibit Enhanced Charge Separation and Photocatalytic Efficiency. Acs Applied Materials and Interfaces 9(49): 42425-42429, 2017

Surface Engineering for Extremely Enhanced Charge Separation and Photocatalytic Hydrogen Evolution on g-C 3 N 4. Advanced Materials 30(9):, 2018

Synthesis of Fe₃O₄/C with Cauliflower-Like BiVO₄ for Improved Separation Efficiency of Charge Carriers and Photocatalytic Activity. Journal of Nanoscience and Nanotechnology 18(7): 4675-4683, 2018

MoS 2 /SnNb 2 O 6 2D/2D nanosheet heterojunctions with enhanced interfacial charge separation for boosting photocatalytic hydrogen evolution. Journal of Colloid and Interface Science 536: 1-8, 2019

Enhanced separation efficiency of photo-induced charge pairs and sunlight-driven photocatalytic performance of TiO2prepared with the assistance of NH4Cl. Journal of Sol-Gel Science and Technology 83(1): 174-180, 2017

Enhanced photocatalytic hydrogen evolution efficiency using hollow microspheres of (CuIn)(x)Zn(2(1-x))S2 solid solutions. Dalton Transactions 44(24): 10991-6, 2015

Nanocomposite of graphene oxide with nitrogen-doped TiO2 exhibiting enhanced photocatalytic efficiency for hydrogen evolution. International Journal of Hydrogen Energy 38(6): 2670-2677, 2013

Construction of vesicle CdSe nano-semiconductors photocatalysts with improved photocatalytic activity: Enhanced photo induced carriers separation efficiency and mechanism insight. Journal of Environmental Sciences 60: 98, 2017

Carbon Quantum Dot Implanted Graphite Carbon Nitride Nanotubes: Excellent Charge Separation and Enhanced Photocatalytic Hydrogen Evolution. Angewandte Chemie 57(20): 5765-5771, 2018

Intramolecular Charge Transfer and Extended Conjugate Effects in Donor-π-Acceptor-Type Mesoporous Carbon Nitride for Photocatalytic Hydrogen Evolution. Chemsuschem 12(7): 1325-1333, 2019

What Controls the Rate of Ultrafast Charge Transfer and Charge Separation Efficiency in Organic Photovoltaic Blends. Journal of the American Chemical Society 138(36): 11672-9, 2016

Efficient Charge Separation from F - Selective Etching and Doping of Anatase-TiO 2 {001} for Enhanced Photocatalytic Hydrogen Production. Acs Applied Materials and Interfaces 10(23): 19633-19638, 2018