Herein, we demonstrate the preparation and application of NiCo2O4 decorated over a g-C3N4-based novel nanocomposite (NiCo2O4@g-C3N4). The prepared material was well characterized through...

The successful use of g-C3N4 are proposed to be affected by three factors: electronic structural tuning, hybrid and nanocomposite production, and geometric structural manipulation.

Jun 12, 2023 · To address this issue, we propose a new method that involves idealizing the absorption spectrum by removing its baseline before constructing the Tauc plot. Experimental verification of this method...

本专题系统地介绍了如何用紫外可见近红外分光光度计测量半导体的禁带宽度，并用相应的实例证明了其计算结果的可靠性。

Sep 12, 2023 · Here, we synthesized non-metal-doped highly crystalline g-C3N4 by one-pot calcination method, which enhanced the photocatalytic activity of g-C3N4 such as mesoporous nature, reduced band...

May 20, 2016 · As a fascinating conjugated polymer, graphitic carbon nitride (g-C 3 N 4) has become a new research hotspot and drawn broad interdisciplinary attention as a metal-free and visible-light-responsive photocatalyst in the arena of …

In this review, the properties and preparation methods of g-C 3 N 4 are systematically introduced, and various modification approaches, including morphology control, elemental doping, heterojunction construction, and modification with nanomaterials, are discussed.

1 day ago · Developing uniformly dispersed heterojunction photocatalysts with highly coupled interfaces is critical for increasing the photocatalytic efficiency of semiconductor photocatalysts. We used an in-situ self-transformation technique to create an efficient heterojunction photocatalyst from g-C3N4 and CdS. Melamine-CdS composites were used as a precursor in this synthesis. The microscopic ...

Detailed theoretical studies of the structural properties, elastic properties, density of states, and mechanical properties of these two C 3 N 4 phases were carried out using first-principles calculations.

Feb 8, 2019 · In this work, we have designed, synthesized and tested a Pd-TiO 2 /g-C 3 N 4 hybrid system through surface-charge interaction wherein both TiO 2 and C 3 N 4 exhibited high Z-potentials, therefore preventing self-aggregation while generating enough driving force to form a uniformly mixed heterojunction and then Pd was deposited preferentially on ...

Jan 9, 2025 · The homojunction catalyst, composed of g-C3N4 nanodots and ultra-thin g-C3N4 nanoflakes, exhibited a significant S-scheme carrier separation mechanism, which enhances the utilization of electrons and holes.

As shown in Figure 3 a, pure g-C3N4 displayed an absorption band below 450 nm, whereas the C3N4ZnxOy samples exhibited an onset of absorbance farther out in the visible region and below 600 nm.

Jun 22, 2016 · As a fascinating conjugated polymer, graphitic carbon nitride (g-C3N4) has become a new research hotspot and drawn broad interdisciplinary attention as a metal-free and visible-light-responsive photocatalyst in the arena of …

Sep 12, 2014 · In this review, a brief introduction to g-C 3 N 4 is given, the methods used for synthesizing this material with different textural structures and surface morphologies are described, and its physicochemical properties are referred.

Graphitic carbon nitride (g-C 3 N 4) is a family of carbon nitride compounds with a general formula near to C 3 N 4 (albeit typically with non-zero amounts of hydrogen) and two major substructures based on heptazine and poly (triazine imide) units which, depending on reaction conditions, exhibit different degrees of condensation, properties and ...

Jan 7, 2025 · This critical review was focused on fabricating and modifying the morphologies of g-C3N4 semiconductors to improve photocatalytic efficiency. Finally, we reviewed several applications of the modified g-C3N4 semiconductor for …

Jan 24, 2020 · Poly(triazine imide) (PTI), a crystalline g-C3N4, hosting two-dimensional nanoporous structure with an electron density gap of 0.34 nm, is highly promising for high-temperature hydrogen sieving bec...

Mar 3, 2024 · Ti 3 C 2 acts as a bridge for fast separation of photogenerated electrons and holes on Au and modified g-C 3 N 4, playing a key role in the enhanced photocatalytic performance.

The nanosheet-g-C3N4 exhibited a higher ε′ ∼ 15 while keeping similar tan δ (∼0.09) compared to the bulk counterpart, demonstrating its potential as a highly insulating, stable dielectrics ...

C3N4 crystallizes in the hexagonal P-6m2 space group. The structure is two-dimensional and consists of one C3N4 sheet oriented in the (0, 0, 1) direction. there are two inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three N3- atoms.