Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 10, Issue 14, Pages 4655-4662Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cy00321b
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Funding
- National Natural Science Foundation of China [51574205]
- National Key Research and Development Program of China [2016YFA02030000]
- Natural Science Foundation of Guangdong Province [2018B030311022]
- Guangdong Innovation Research Team for Higher Education [2017KCXTD030]
- Innovative Research Team (in Science and Technology) in University of Henan Province (IRTSTHN) [19IRTSTHN028]
- High-level Talents Project of Dongguan University of Technology [KCYKYQD2017017]
- Engineering Research Center of None-Food Biomass Efficient Pyrolysis & Utilization Technology of Guangdong Higher Education Institutes [2016GCZX009]
- Dongguan University of Technology [G200906-17]
- Postdoctoral Science Foundation [2019M652570, 2019M652574]
- Postdoctoral Research Sponsorship in Henan Province [19030025]
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Building architectures to manipulate light propagation using a light-conversion matrix is one of the most competitive strategies to enhance photocatalytic performance. In this work, a bio-inspired SiO(2)hard template with interconnected SiO(2)with a one-dimensional structure was devised to enhance the visible light harvesting ability of g-C3N4, and the SiO2/g-C(3)N(4)nanocomposite is cleverly synthesizedviaanin situthermal polymerization method. Based on UV-vis diffuse reflectance spectrometry (UV-vis DRS) and finite difference time domain simulation (FDTD) measurements, it is found that the SiO2/g-C(3)N(4)nanocomposite displays obviously enhanced visible light absorption and light-scattering when compared to pristine g-C3N4, suggesting it has highly enhanced light harvesting ability. As expected, SiO2/g-C(3)N(4)displays a remarkable enhancement in photocatalytic H(2)production when compared to bare g-C3N4. Such enhancement is attributed to the synergistic effect of g-C(3)N(4)and SiO(2)hard template microstructures. The SiO(2)one-dimensional structure not only enhances light scattering to widen the visible-light absorption range and improve the utilization efficiency of solar energy, but it also increases the specific surface area of g-C(3)N(4)by reducing its aperture size. This research has far-reaching implications for increasing the use of sunlight and improving the development of hydrogen energy.
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