نتایج جستجو برای: cuog c3n4 nanocomposite

تعداد نتایج: 14854  

Journal: :Journal of the American Chemical Society 2014
David James Martin Philip James Thomas Reardon Savio J A Moniz Junwang Tang

For the first time, it is demonstrated that the robust organic semiconductor g-C3N4 can be integrated into a nature-inspired water splitting system, analogous to PSII and PSI in natural photosynthesis. Two parallel systems have been developed for overall water splitting under visible light involving graphitic carbon nitride with two different metal oxides, BiVO4 and WO3. Consequently, both hydr...

Journal: :Journal of Nanoparticle Research 2022

The treatment of dye-bearing wastes by adsorption using low-cost synthetic adsorbents is urgently needed and challenging because it offers the dual benefit water waste management. Herein, flower-like MoS2/g-C3N4 nanocomposites with a size range 200–400 nm specific surface area 70.656 m2/g were synthesized as new methylene blue (MB) adsorbent materials. Their mechanisms influences pH, dosage, co...

Journal: :Physical chemistry chemical physics : PCCP 2014
Jonas Wirth Rainer Neumann Markus Antonietti Peter Saalfrank

Graphitic carbon nitride, g-C3N4, is a promising organic photo-catalyst for a variety of redox reactions. In order to improve its efficiency in a systematic manner, however, a fundamental understanding of the microscopic interaction between catalyst, reactants and products is crucial. Here we present a systematic study of water adsorption on g-C3N4 by means of density functional theory and the ...

2015
Yuhan Li Liping Yang Guohui Dong Derek J. McPhee

Quantum dot (QD) sensitization can increase the light absorption and electronic transmission of photocatalysts. However, limited studies have been conducted on the photocatalytic activity of photocatalysts after modification by noble metal QDs. In this study, we developed a simple method for fabricating Pd-QD-modified g-C3N4. Results showed that the modification of Pd-QDs can improve the NO pho...

Journal: :Nature communications 2014
Matthew Zelisko Yuranan Hanlumyuang Shubin Yang Yuanming Liu Chihou Lei Jiangyu Li Pulickel M Ajayan Pradeep Sharma

Piezoelectricity is a unique property of materials that permits the conversion of mechanical stimuli into electrical and vice versa. On the basis of crystal symmetry considerations, pristine carbon nitride (C3N4) in its various forms is non-piezoelectric. Here we find clear evidence via piezoresponse force microscopy and quantum mechanical calculations that both atomically thin and layered grap...

Journal: :Crystals 2021

In this study, novel photocatalysts MVO4/g-C3N4 (M = La, Gd) were prepared by the hydrothermal method, through which different loading amounts of 10–50%MVO4 and g-C3N4 mixed ultrasonically oscillated to gain heterojunction catalysts. All samples characterized XRD, SEM, TEM, FT-IR, XPS, Us-vis, PL ensure successful integration LaVO4 GdVO4 with g-C3N4. The obtained results showed that could effec...

Journal: :Chemical science 2015
Kun Xu Xiuling Li Pengzuo Chen Dan Zhou Changzheng Wu Yuqiao Guo Lidong Zhang Jiyin Zhao Xiaojun Wu Yi Xie

Ferromagnetic two-dimensional (2D) ultrathin nanosheets hold great promise for next generation electronics. Ferromagnetic metal-free materials that usually possess only an s/p electronic configuration with weak spin-orbit coupling and a large spin relaxation time, would play an important role in constructing future spintronic devices. However, the absence of an intrinsic spin ordering structure...

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