Pan He's research while affiliated with Sichuan University and other places
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Publications (12)
Selective trapping of Sr ²⁺ by calcium zirconium phosphate (Ca 0.55 ZrH 0.9 (PO 4 ) 2 ) in an acidic competing ion environment.
Electrochemical uranium extraction is considered a promising approach to obtain uranium resources from seawater. Here, we report an electrocatalyst composed of single-atom Ni located at R. japonicum L biomass derived...
Reduction of soluble U(VI) to insoluble U(IV) based on semiconductor photocatalysts is a favored U(VI)-extraction method, because of its simplicity, environmental friendliness, and high efficiency. The key to implement this technology is the development of efficient photocatalysts with high activity and stability for sacrificial agents-free U(VI) p...
The efficient capture and immobilization of radioiodine (I-, IO3-) is of great importance in radioactive waste management. Here, a Cu2O-loaded three-dimensional bulk cationic hydrogel composite (Cu2O@CH) was successfully prepared by simple redox reactions and UV photopolymerization, which realized the rapid enrichment and efficient immobilization o...
The low efficient transfer of photogenerated electrons to an active catalytic site is a pivotal problem for the photoreduction of highly soluble hexavalent uranium [U(VI)] to low soluble tetravalent uranium [U(IV)]. Herein, we successfully synthesized a TiO2-x/1T-MoS2/reduced graphene oxide heterojunction (T2-xTMR) with dual charge-transfer channel...
The conversion of soluble U(VI) to relatively immobilized U(IV) by photocatalytic techniques is considered to be the most effective method to prevent uranium contamination. Herein, a novel photocatalyst (TiO2-x/1T-MoS2) that combines photochemistry and thermoelectric physics is reported. The photocatalyst can use oxygen vacancies to briefly capture...
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Encapsulation of nano-semiconductor materials in three-dimensional (3D) adsorbents to build a typical semiconductor-adsorbent heterostructure is a forward-looking strategy for photo-assisted uranium extraction. Here, we develop 3D MXene-derived TiO2(M)@reduced graphene oxide (RGO) aerogel for photo-assisted uranium extraction. Theoretical simulatio...
The nature of vanadium oxides with multiple valence states and a rich species of oxides facilitates the construction of high performance batteries. Among these, vanadium dioxide (VO2), despite offering several advantages, is seldom reported in anode materials due to its inferior cycling stability and rate performance caused by large volume changes....
The nuclear power has brought promising energy sources while laying down the potential risks for environmental friendliness. The technology that converting mobile U(VI) to immobilized U(IV) via photocatalytic reduction is considered to be an effective strategy for treatment spent fuel wastewater systems. Here we employed S-injected engineering to f...
Citations
... Concentrations of iodine-129 have been detected within 50 km of the Hanford Site, much surpassing drinking water standards. [8][9][10] Considering the abundant source of iodate, combined with the extraordinarily extended half-life of iodine-129 (1.6×10 7 years) and severe radiotoxicity associated with iodine-131, [11] it is imperative to develop efficient adsorbents for the removal of iodate from complicated environments. ...
... [11] Furthermore, modification of TiO 2 with a dopant, noble metals and narrow band gap semiconductors has arisen due to its practical implementation in broadband energy harvesting. [12] Carbon, one of the most abundant elements, exhibits excellent charge transport properties superior to its inorganic counterparts. [13] It is not surprising that graphene sheets in their low-dimensional form, i. e., carbon nanotubes (CNTs), whether single walled or multiwalled, exhibit a wide range of applications owing to their delocalized π-electrons, exceptional electrical and thermal conductivity, hollow, high surface area, and stability. ...
... (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.) [94], (b) Schematic representation of process during photocatalysis, transport of charge carriers, Reproduced with permission of [95], (c & d) representation of thermoelectric properties of photoreduction-synthesized copper selenide nanowires and its increment in electrical conductivity, Reproduced with permission of [93]. ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/11431281116281105-1675228860000_Q64/Linzhen-Wu-2.jpg)
... Extensive studies on Cd(II) adsorption have been conducted using numerous adsorbents (e.g. activated carbon, chitosan, metal oxide, metal-organic frameworks, graphene oxide and zeolite) [12][13][14][15][16]. However, the disadvantage of high manufacturing costs has limited the further application of these adsorbents, it is imperative to developed low-cost and high-efficiency adsorbents to remove Cd(II) from wastewater. ...
... It has been determined that the crust of the planet contains 2.7 ppm of uranium on average (Ahmad Wani et al., 2022). The geomorphology, lithology, and other geographical as well as geological circumstances affect the uranium concentration He et al., 2022;Jiang et al., 2021;Kuang et al., 2022;Wang et al., 2022c;Wang, Li, et al., 2022b;Wang et al., 2022c;Wanget al., 2022d). Metallic uranium exhibits an extremely high level of reactivity in terms of its chemical characteristics and leaches in environments that are either alkaline or acidic. ...
... The superior performance of the AC-Ti 3 C 2 T x electrode could be attributed to the presence of the few-layered unique morphology of the Ti 3 C 2 MXene; this provided abundant active sites for Li + intercalation, enhanced transportation and the diffusion rate of ions and electrons, and enhanced the inclusion of AC, which acted as an interlayer spacer between the layers of MXene and provided large numbers of ion/electron transfer channels. Liu et al. [128] successfully assembled a VO 2 -NTs/Ti 3 C 2 MXene as an anode of an LIB. This VO 2 -nanotube-linked Ti 3 C 2 MXene electrode exhibited superior initial discharge and charge capacities of 2132 and 1164 mAhg −1 , respectively, with an initial Coulombic efficiency of 54% at 0.1 Ag −1 . ...
... Dai et al. [100] first synthesized a magnetic graphene oxide-modified graphitic carbon nitride (mGO/g-C 3 N 4 ) nanocomposite material, which can effectively catalyze the reduction in U(VI) from wastewater under visible light irradiation from LEDs, achieving a U(VI) extraction efficiency as high as 96.02%. Wan et al. [101] used S-injected engineering to functionalize the atoms into the TiO 2 /Ndoped hollow carbon sphere (TiO 2 /NHCS) heterostructure to form Schottky junctions for spatially separating photogenerated electrons and optimizing the TiO 2 energy level structure. The results show that the reduction efficiency of U(VI) within 20 min exceeded 90% and the removal rate per unit mass reached 448 mg g −1 . ...
