CHEMICAL ENGINEERING JOURNAL
·
2022
·
IF 16.744
Jiaoe Dang,Sining Yun,Yongwei Zhang,Jingjing Yang,Zhuolei Liu,Changwei Dang,Yinhao Wang,Yingying Deng
With the increasing energy demands and impending climate change, significant concerns have been raised over the metal–organic frameworks (MOFs)-derived porous carbons and their utilization for hydrogen evolution reaction (HER) and triiodide reduction reaction (IRR). However, the provision of high intrinsic activity, active-site accessibility, and structural stability of MOF-derived Co-embedded N-doped carbon (Co/N-C) for HER and IRR is challenging. In this work, core-shell MOF-in-MOF precursors are designed to construct novel double-shell N-C-in-Co/N-C electrocatalysts with nanorod- and rhombic dodecahedron-shaped hollow morphologies (NR-H-C and RD-H-C). The double-shell structured NR-H-C and RD-H-C significantly enhance the HER and IRR activity of Co-MOF-derived Co/N-C. Specifically, NR-H-C achieves a high N-content (10.35 at.%), large specific surface area (590.87 m 2 g −1 ), and hierarchical porous configuration (micropores and mesopores). When NR-H-C is applied as the HER catalyst in alkaline electrolyte, it exhibits an admired overpotential of 123 mV at 10 mA cm −2 and a Tafel slope of 51 mV dec −1 . The solar cell adopting NR-H-C as counter electrode for IRR achieves a high short circuit current density of 16.77 mA cm −2 , an open-circuit voltage of 0.745 V, a fill factor of 0.682, and a power conversion efficiency of 8.51%, higher than that of Pt-based solar cell (16.26 mA cm −2 , 0.744 V, 0.602, and 7.28%). The elucidatory Volmer-Heyrovsky HER mechanism and reversed Volmer-Heyrovsky IRR mechanism give a better understanding of the enhanced dual-functional activity of NR-H-C. This work provides an essential information for the rational design of high-performance dual-functional HER and IRR catalysts and further open up a new avenue for the construction of multicomponent MOFs in the energy conversion field.
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2025
·
IF 9.7
Ziyi Zhang,Huiqing Dong,Dongxu Zhou,Kexin Tang,Yidi Ma,Tao Han,Jianqiu Lei,Shoushuang Huang,Xiaodong Zhang,Liang Tang,Ning Liu
Photocatalytic CO 2 reduction is a promising strategy to address both environmental issues and energy crisis. Defect engineering offers great potential for improving the photocatalytic performance. Herein, we report an innovative approach to introduce defects in MIL-68(In) via electron beam irradiation for the photoreduction of CO 2 into CH 4 . The irradiated X-MIL-68(In) (X mean the irradiation dose) retained the crystal structure and morphology of pristine MIL-68(In), while generating novel organic framework defects. These defects significantly improved the CO 2 photoreduction activity, with 300-MIL-68(In) achieving the highest CH 4 rate of 87.5 μmol g −1 h −1 and a CH 4 selectivity of 74.8 %. Comprehensive ex situ and in situ characterizations, combined with DFT calculations, demonstrated that defects formation in 300-MIL-68(In) accelerated the separation and transfer of photoexcited carriers, thereby driving its superior photocatalytic performance. Furthermore, In situ DRIFTS along with DFT calculations confirmed that ⁎ COOH, ⁎ CHO and ⁎ CH 2 O were key intermediates during CO 2 reduction process. This work highlights electron beam irradiation as an effective strategy for defect engineering, offering new opportunities for tuning the performance of photocatalysts.
研究领域:
材料科学
·
环境科学
·
纳米技术
·
催化
·
物理化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
APPLIED CATALYSIS B-ENVIRONMENTAL
·
2023
·
IF 22.1
Liang Fu,Zhenping Qu,Lingling Zhou,Yue Ding
Interface engineering is demonstrated to lead to significant improvement in the catalytic performance for electrochemical CO 2 reduction reactions (CO 2 RR). In this work, we demonstrate a heterogeneous In(OH) 3 -Ag interface catalyst in which the appropriate In(OH) 3 clusters modified on metal Ag nanoparticles surface greatly improves the CO selectivity in CO 2 RR, realizing a CO faradaic efficiency (FE CO ) of 93% at − 0.7 V vs. RHE. The performance enhancement is attributed to the preferentially CO 2 adsorption and activation by the In(OH) 3 -Ag interface sites. In situ Raman spectroscopy reveals that the formation of In(OH) 3 -Ag interface sites is significantly favorable for the generation of key *CO 2 − intermediate at low overpotential. Further theoretical calculation confirms that the In(OH) 3 -Ag interface could enhance the adsorption of *COOH species on catalyst by means of tailoring the surface properties and electronic structures. This work shows that hydroxide-metal interface engineering is a promising pathway to regulate the activity for selective CO 2 RR properties.
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2023
·
IF 8.6
Yong Xiang,Chang-Yuan Cheng,Meng-Hao Liu,Wen-Cai Bai,Zhou-Xuan Zang,Li Xu,Yi Yu,Guo-Ji Liu
The design of an efficient adsorbent for Au(III) has remained a challenging research focus, as the adsorbent needs to overcome competition from other ions while simultaneously addressing pore blockage caused by the reduction of Au(III) to elemental gold. In this study, we report the synthesis of a hierarchically porous metal–organic frameworks (MOFs) with ultra-large pores (300 nm) using the “MOF in MOF” method. This material facilitates enhanced adsorption kinetics by increasing the rate of gold ion adsorption and effectively prevents pore blockage resulting from Au(III) reduction, enabling access to the majority of adsorption sites. Batch experiments were conducted, and various complex water mixtures, including freshwater, simulated electronic waste solution, and gold ore leachate, were tested to demonstrate the rapid extraction of trace amounts of gold by the developed adsorbent. Remarkably, without additional functionalization, the adsorbent solely based on its pore advantage achieved a gold adsorption capacity of 1184 mg/g and reached 80 % adsorption within just 5 min (C0 = 100 mg/L, V/m = 2 L/g). Furthermore, the gold recovered from the leachate of gold ore exhibited a purity of 23.8 K (99.2 % purity).
研究领域:
材料科学
·
环境工程
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
ENERGY & FUELS
·
2025
·
IF 5.3
Shiyu Cao,Xiquan Qi,Xiangyu Zhao
Rechargeable magnesium batteries (RMBs) emerge as a promising alternative to postlithium battery systems due to their intrinsic advantages of magnesium metal anodes. However, the lack of a stable solid electrolyte interphase (SEI) on magnesium severely limits their interfacial reversibility and cycling life. Herein, we propose a simple solution-based surface engineering strategy to construct a robust artificial SEI layer on Mg metal through displacement reactions between Mg and InI3. The resulting In/MgI2@Mg electrode features a homogeneous and compact interphase composed of electrochemically favorable In, MgI2, and InMg alloy. This artificial SEI significantly enhances Mg2+ stripping/plating reversibility, lowers interfacial resistance, and suppresses passivation. The modified Mg anode exhibits a cycling lifespan of 725 h with a low overpotential of ∼80 mV, excellent rate performance, and a reduced activation energy of 17.92 kJ mol–1. When paired with a Mo6S8 cathode, the In/MgI2@Mg-based RMB delivers a high reversible capacity of 74.4 mAh g–1 (higher than 54.7 mAh g–1 of the bare Mg-based RMB), a reduced voltage hysteresis of 0.2 V, and superior Coulombic efficiency over extended cycling. This work highlights the effectiveness of iodide-mediated interfacial chemistry for stabilizing Mg metal anodes.
✓ 已验证
DOI
高影响因子
Nanoscale
·
2018
·Vol. 10
·期 34
·15932-15937
·
IF 7.233
Feng Wang,Jian Lin,Hongye Wang,Shansheng Yu,Xiaoqiang Cui,Asghar Ali,Tao Wu,Yang Liu
Herein, the ECL behaviors of precise mono-Cu+ ion doped Cd–In–S supertetrahedral chalcogenide nanoclusters (Cu@CdInS NCs) were investigated, and the effect of mono-Cu+ ions at the vacancy site of NCs on ECL emission performance was also elucidated. Precise mono-Cu+ ion doping not only induced new ECL emission at 596 nm with enhanced efficiency as high as 21.72% relative to [Ru(bpy)3]2+, but also improved acid tolerance of the ECL performances of NCs. In addition, a simple, fast and label-free dopamine ECL sensor with excellent selectivity was achieved.
研究领域:
分析化学
·
纳米技术
·
电化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Lin Ai,Yanping Chen,Fang Lu,Jiaxu Liu,Xiao-Feng Wu,Shengjun Huang
The fundamental challenge in the gas-phase selective hydrogenation of α,β-unsaturated aldehydes to α,β-unsaturated alcohols lies in the construction of microscopic environment for the preferential hydrogenation of C = O bond along with the preservation of C = C bond under the reductive atmosphere. Herein, we proposed a structure-matching strategy for the catalyst design, in which In component in metallic form and oxide form are interplayed with metallic Ni and Al 2 O 3 support, respectively. The fabrication of In-Ni intermetallic compound stokes up the desirable electropositive-electronegative environment (In δ+ -Ni δ- ) for the adsorption of polar carbonyl group. The In species in the In-oxo form are engaged in the network of Al 2 O 3 support in the formation of In-O-Al-O entities, which stabilizes the heterolytically dissociated H species to match the preferential saturation of polar C = O bond. Therefore, the resulting In-Ni-Al 2 O 3 catalyst achieves a selectivity of 77.2 % to methallyl alcohol with a conversion of 53.8 % in the gas-phase hydrogenation process, which present a striking contrast to the outcomes upon the counterpart Ni-Al 2 O 3 (non-selectivity to methallyl alcohol). Such structure-matching strategy enriches the fundamental understandings and basis for the rational design of catalysts for the selective hydrogenation of unsaturated aldehydes.
研究领域:
催化
·
化学工程
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
·
2015
·Vol. 641
·期 5
·792-796
·
IF 1.16
Zhongshang Dou,Jianfeng Cai,Yuanjing Cui,Jiancan Yu,Tifeng Xia,Yu Yang,Guodong Qian
Continuous and intergrown metal-organic framework (MOF) membranes, MIL-100(In) (MIL represents Materials Institute Lavoisier), were prepared directly on porous anodic alumina oxide (AAO) membranes using an in situ crystallization method. The pore surface of MIL-100(In) is conferred with polarity due to the presence of the 1, 3,5-benzenetricarboxylic acid. The thickness of MIL-100(In) membranes was tuned by varying the reactant concentration of indium chloride and 1, 3,5-benzenetricarboxylic acid. Single gas permeation measurements on this MOF membrane indicate the large permeances of 0.90 × 10 –6 and 0.81 × 10 –6 mol · m –2 ·s –1 ·Pa –1 for CO 2 and CH 4 , and relatively high ideal selective factors of 3.75 and 3.38 for CO 2 /N 2 and CH 4 /N 2 , respectively.
研究领域:
材料科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
CERAMICS INTERNATIONAL
·
2023
·
IF 5.2
Moyu Liao,Xinli Yi,Zhongxu Dai,Hang Qin,Wenming Guo,Hanning Xiao
Three metal-organic frameworks including Ce-BDC, In-BDC and In/Ce-BDC and corresponding derived CuO/ZnO/In 2 O 3 /CeO 2 catalysts were prepared. The catalyst-loaded cordierite honeycomb ceramic supports were applied in a microreactor for hydrogen production via methanol steam reforming. The In/Ce-BDC-derived catalyst exhibited a methanol conversion rate of 100%, a hydrogen yield of 0.336 mol/h and an energy efficiency of 54% at 300 °C and an inlet methanol flow rate of 0.112 mol/h. Moreover, CO with content lower than 1.5% and catalytic stability of 30 h was recorded. The high specific surface area and superior redox property of the In/Ce-BDC-derived catalyst were characterized. The increased contents of oxygen vacancies and surface oxygen, in collaboration with the improved solid solubility of CuO and ZnO, were associated with the charge exchange induced by the strong interaction between In 2 O 3 and CeO 2 , leading to the excellent catalytic performance of the In/Ce-BDC-derived catalyst.
研究领域:
化学工程
·
催化
·
材料科学
·
能源
✓ 已验证
产品关联
DOI
高影响因子
Membranes
·
2025
·Vol. 15
·期 9
·261
·
IF 3.6
Jinsuo Yu,Chenyang Jiang,Yanjun Wang,Zemin Li,Yawei Gu,Rujing Hou,Yichang Pan
Efficient xylene isomers’ separation remains a challenge due to their similar kinetic diameter and boiling points, particularly for the separation of the immediate size of meta-xylene (MX). A metal–organic framework (MOF) membrane offers the opportunity to realize the isomers’ separation due to the highly tunable pore size and pore environment. Herein, an In-based hierarchic MOF (MIL-100) with a size of 0.77 nm was screened, aiming at the realization for isomer separation through pore size matching. Meanwhile, the polar microenvironment in the MOF channel built through trimesic acid ligands contributes to the higher affinity to the MX relative to the PX. With the equimolar feed mixture of MX/PX, the optimal membrane demonstrated a total flux of 7.6 kg·m−2·h−1and an MX/PX separation factor of 2.54 at room temperature through pervaporation. Such performance highly indicates the possibility for efficient liquid xylene separation in future.
研究领域:
材料科学
·
分离技术
·
膜科学
·
化学工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2018
·
IF 3.927
Houxiao Wu,Yongwei Chen,Daofei Lv,Renfeng Shi,Yang Chen,Zhong Li,Qibin Xia
The purification of ethylene (C 2 H 4 ) from the cracking gas ethane/ethylene mixture (1:15, v / v ) is a typical energy-intensive process in the chemical industry. As an alternative, adsorptive separation with much lower energy consumption and operational cost has attracted escalating attention. In this work, we reported an interesting C 2 H 6 -trapping adsorbent, In-soc-MOF-1, an indium-based metal-organic framework exhibiting the preferential adsorption of C 2 H 6 over C 2 H 4 . Single-component adsorption isotherms showed that the C 2 H 6 adsorption capacities were higher than those of C 2 H 4 under measured temperatures (288, 298 and 308 K). For example, the uptakes of C 2 H 6 and C 2 H 4 were 4.04 and 3.72 mmol/g at 298 K and 100 kPa, respectively. The calculated IAST selectivity of C 2 H 6 /C 2 H 4 (1:15) on In-soc-MOF-1 was in the range of 1.4–4.8. Moreover, the dynamic separation performance of In-soc-MOF-1 toward the C 2 H 6 /C 2 H 4 binary mixture was evaluated by the breakthrough experiments, the result of which suggests that In-soc-MOF-1 could achieve efficient separation by trapping the impurity C 2 H 6 molecules out of the C 2 H 6 /C 2 H 4 binary mixture. Notably, In-soc-MOF-1 not only showed good water and moisture stability but also exhibited excellent recyclability, where negligible decrease in C 2 H 6 adsorption capacity was observed during five cycles of adsorption-desorption tests. These properties suggest that In-soc-MOF-1, as a C 2 H 6 -trapping adsorbent, could be considered as a potential candidate in the practical application of separating the cracking gas mixture.
研究领域:
化学工程
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
CERAMICS INTERNATIONAL
·
2023
·
IF 5.2
Qianxiong Wen,Meilin Fu,Heng Chen,Shuang Pan,Chaofan Shi,Xinyue Zhang,Xiaojuan Liang,Xingen Hu,Weidong Xiang
Phosphor-in-glass (PiG) plays an indispensable role as a highly tunable and easily prepared phosphor material for new-generation high-brightness and high-collimation laser lighting (blue laser diodes + colour converters). However, at low power (<5 W), the poor thermal stability and brittleness of PiGs make it challenging to develop high-intensity, high-brightness PiG materials because of their susceptibility to rupture and sudden drop in luminous efficiency (LE) owing to thermal accumulation under high-energy laser irradiation. In this study, a performance-tunable lithium-aluminium-silicate (LAS) glass system was used to adjust the glass composition and synthesise LAS-glasses that can be sintered at low temperatures. In addition to LuAG: Ce phosphor, LuAG: Ce phosphor-in-LAS (LuAG: Ce-PiGLAS) has been successfully developed, which can withstand an 8.24-W laser irradiation without heat dissipation, achieving a luminous flux of 1248 lm and LE of 204 lm/W. Furthermore, a pre-thermal treatment was used to precipitate the lithium disilicate phase to enhance the resistance of the glass to laser ablation , resulting in a power increase to 8.62 W at 1485 lm and maximum LE increase to 212 lm/W with a 2.5% attenuation at 498 K. High-brightness illumination performance was demonstrated in both transmission and reflection modules. This study is anticipated to generate new prospects for PiG applications and accelerate the development of laser lighting.
研究领域:
材料科学
·
光学工程
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）