Hydrogen production by photolysis of water by sunlight is an environmentally-friendly preparation technology for renewable energy. Graphitic carbon nitride (g-C
3
N
4
)
despite with obvious catalytic effect
is still unsatisfactory for hydrogen production. In this work
phosphorus element is incorporated to tune g-C
3
N
4
's property through calcinating the mixture of g-C
3
N
4
and NaH
2
PO
2
sacrificial agent and co-catalyst also been supplied to help efficient photocatalytic hydrogen production. Phosphorus (P) doped g-C
3
N
4
samples (PCN-S) were prepared
and their catalytic properties were studied. X-ray diffraction (XRD)
X-ray photoelectron spectroscopy (XPS)
scanning electron microscopy (SEM) and ultraviolet diffuse reflection (UV-DRS) were used to study their structures and morphologies. The results show that the reaction rate of PCN-S is 318 μmol·h
-1
·g
-1
which is 2.98 times as high as pure carbon nitride nanosheets (CN) can do. Our study paves a new avenue
which is simple
environment-friendly and sustainable
to syn
thesize highly efficient P doping g-C
3
N
4
nanosheets for solar energy conversion.
关键词
Keywords
references
The trial reading is over, you can activate your VIP account to continue reading.
Pomelo biochar as an electron acceptor to modify graphitic carbon nitride for boosting visible-light-driven photocatalytic degradation of tetracycline
Non-phosgene synthesis processes of isocyanates: One-step and two-step routes
Enhanced mass transfer in flexible electrodes of open-pore cobalt disulfide nanosheets supported on sulfur-doped carbon fibers for efficient zinc-air batteries
Bubble dispersion intensification via flow guidance and drainage in a bubble column with internals
CO2 leakage behavior from CO2 hydrate-liquid CO2-seawater coexistence system in unsealed sediments
相关作者
Feng Guo
Chunli Shi
Wei Sun
Yanan Liu
Xue Lin
Weilong Shi
相关机构
School of Material Science and Engineering, Beihua University
School of Energy and Power, Jiangsu University of Science and Technology
School of Material Science and Engineering, Jiangsu University of Science and Technology