CHEMICAL ENGINEERING JOURNAL
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2025
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IF 13.2
Ali Asghar,Muhammad Shahid Rashid,Muhammad Saqib,Karim Khan,Zhiyuan Liu,Changyong Liu,Zhangwei Chen
The quest for sustainable energy storage solutions has led to the development asymmetric supercapacitors (ASCs) that promise high specific power and energy. However, the challenge lies in synthesizing electrode materials that can meet these demands while maintaining stability. Herein, we introduce a paradigm-shifting approach by harnessing the power of direct ink writing (DIW) 3D printing to fabricate SiOC/Bi 2 O 3 nanocomposites for ASCs. Through a facile hydrothermal synthesis, we prepared SiOC/Bi 2 O 3 nanocomposites that, when 3D printed (3DP), delivered an impressive energy density of 98.2 Wh/kg and a power density of 882.4 W/kg at 1 A/g. These ASCs exhibited remarkable cyclic stability, retaining 95.55 % of their capacitance after 5,000 cycles. The synergy between the high surface area of DIW-printed SiOC/Bi 2 O 3 and its capacitive properties satisfies the high-voltage profile requirement and enhances both specific power and energy. Our study paves the way for a new generation of ASCs with superior electrochemical performance, offering a sustainable and environmentally friendly solution to the future of energy storage. This work stands at the forefront of merging advanced material science with cutting-edge manufacturing techniques, showcasing the potential of 3D printing to revolutionize the energy storage landscape.
研究领域:
材料科学
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能源存储
·
纳米技术
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APPLIED CATALYSIS A-GENERAL
·
2016
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IF 4.012
Yangyang Zhang,Yiping Guo,Bijun Fang,Yujie Chen,Huanan Duan,Hua Li,Hezhou Liu
BiO 2 CH 3 nanoplate, a new organometallic crystal, with octagonal morphology is successfully prepared using methanol solvothermal method and further employed as template to fabricate porous β-Bi 2 O 3 octagonal nanoplates with a thickness of less than 50 nm. Then a series of hierarchical octagonal haystack-like β-Bi 2 O 3 /Bi 2 S 3 hybrids with large heterointerface and small bandgaps (1.36–1.44 eV) are constructed. It is found that, different from many regular photocatalysts that suffer from shrink of photocatalytic efficiency, the photoactivities of all β-Bi 2 O 3 /Bi 2 S 3 heterostructures are continuously enhanced with growing test cycles, owing to the formation of Bi 2 O 3− x S x solid solution, in which the built-in electric filed induced by lattice distortion can brings about higher e − /h + separation efficiency. The gradually increasing photocatalytic activity can reach to an up limit in about 5 photocatalytic cycles and maintain at this level. β-Bi 2 O 3 /Bi 2 S 3 heterostructure loaded with 20 mol% of Bi 2 S 3 is demonstrated to be the best photocatalyst and capable of fully decomposing Rh B in 30 min. Our work provides deep insights into the nature of the inversed photocatalytic behavior and facilitates the advanced design of photocatalysts with unabated photoactivities.
研究领域:
材料科学
·
光催化
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高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
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2026
·Vol. 37
·期 20
·1612
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IF 3.2
Yao Long,Xu Fang,Yang Hongwei,Ren Yong,Liu Guixiang,Dai Bo
This study demonstrated that magnetic properties of the LiZnTi ferrite can be enhanced by precisely controlling the dosage of Nb 2 O 5 and Bi 2 O 3 additives. XRD results indicated that the ferrite possessed a spinel structure. Furthermore, SEM revealed that the synergistic effect of Nb 2 O 5 and Bi 2 O 3 not only effectively suppressed the growth of big grains but also promoted the densification of the LiZnTi ferrite. Moreover, the magnetic performance was further enhanced when doped with 0.40 wt.% Nb 2 O 5 and 1.50 wt.% Bi 2 O 3 . Specifically, the ferromagnetic resonance linewidth ( ΔH ) decreased to 220 Oe and the saturation magnetization (4π M s ) of LiZnTi ferrite increased to 2619 Gs. The improvements of magnetic performance indicated that Nb 2 O 5 and Bi 2 O 3 are promising composite additives for the preparation of low-loss ferrite materials for microwave devices.
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MATERIALS & DESIGN
·
2026
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IF 8.2
Qinyan Chen,Guolong Zhang,Yuan Zhang,Qiong Lin,Hongbin Cai,Haining Li,Xiao Han,Qingliang Lin
Radiotherapy is a major treatment for breast cancer, but its efficacy is limited by insufficient local energy deposition, radioresistance, and weak systemic immune activation.Therefore, we developed a multifunctional hydrogel platform, HJ-CpG@Gel, integrating a black phosphorus/bismuth oxide heterojunction with the immunoadjuvant CpG-ODN to enhance breast cancer radioimmunotherapy. Stabilized BP/Bi2O3 HJ was prepared by in situ growth of Bi2O3 at defect-rich sites on black phosphorus quantum dots, which improved structural stability and enhanced reactive oxygen species (ROS) generation under X-ray irradiation. Furthermore, a hyaluronic acid-poly(vinyl alcohol) hydrogel crosslinked through dynamic boronate ester bonds was employed as the carrier to encapsulate both BP/Bi 2 O 3 HJ and CpG-ODN, yielding a multifunctional hydrogel with pH/H 2 O 2 -responsive degradation, self-healing properties, and injectability. The hydrogel released BP/Bi 2 O 3 HJ and CpG-ODN in response to the tumor microenvironment, facilitating markedly enhanced inhibition of 4T1 cell growth when combined with RT. In a bilateral 4T1 tumor mouse model, intratumoral injection of HJ-CpG@Gel with RT not only effectively reduced primary tumor size but also significantly delayed distant tumor progression by activating systemic immune responses. Moreover, the hydrogel demonstrated excellent biocompatibility and in vivo safety, as supported by both in vitro and in vivo evaluations, highlighting this integrated local-systemic therapeutic platform for breast cancer.
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JOURNAL OF MATERIALS SCIENCE
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2026
·
IF 4.4
Zuo Guangling,Ye Hongyong,Du Jia,Ding Xin
A ternary Ag/Bi 2 O 3 /g-C 3 N 4 (Ag/BO/CN) photocatalyst was fabricated through a combined solvothermal and photochemical reduction approach for the degradation of ciprofloxacin hydrochloride (CIP). Upon illumination with simulated sunlight, the optimized Ag/BO/CN composite efficiently degraded CIP, resulting in near-complete (98.14%) removal within 100 min. This remarkable property is attributed to a synergetic interaction between the Ag surface plasmon resonance (SPR) effect and the S-scheme heterojunction (between BO and CN). In-situ XPS analysis and work function ( Φ ) calculations confirmed the S-scheme charge migration pathway. In this scheme, an internal electric field (IEF) prompts the reunification of less-reactive charge carriers, thereby selectively retaining the highly reductive electrons (e − ) in the conduction band (CB) of CN and the strongly oxidative holes (h + ) in the valence band (VB) of BO. Quenching experiments and electron spin resonance (ESR) spectroscopy identified superoxide radicals (·O 2 − ) and hydroxyl radicals (·OH) as the primary reactive intermediates. Moreover, the catalyst shows considerable promise for practical deployment, as evidenced by its excellent stability over four consecutive cycles and sustained degradation performance across various real water systems. Graphical abstract The alternative text for this image may have been generated using AI.
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RSC Advances
·
2026
·Vol. 16
·期 28
·25717-25731
·
IF 6.1
Zhao Du,Yanan Wu,Mengmeng Yu,Zishuang Cheng,Po Hu,Zhonglu Guo,Guifeng Chen,Chengchun Tang,Yi Fang
Herein, porous boron nitride nanosheets (BNNS) exhibiting n-type semiconductor characteristics were synthesized via high-temperature pyrolysis. Subsequently, a series of Bi2O3/BNNS composites with superior photocatalytic activity were constructed using a solvothermal method. Experimental results demonstrate that the optimized composite photocatalyst exhibits significantly enhanced adsorption capacity and photocatalytic activity compared to pristine BNNS and Bi2O3. The optimal Bi2O3/BNNS composite achieved degradation efficiencies of 94.65%, 94.23%, and 93.97% for tetracycline (TC), oxytetracycline (OTC), and doxycycline (DC) (each at 50 mg L−1), respectively, under simulated solar irradiation. This study highlights that the exceptional adsorption capability of BNNS enables the Bi2O3/BNNS composite to fulfill the requirements for synergistic adsorption–photocatalysis. Furthermore, BNNS serves as an effective growth substrate, significantly regulating the growth of Bi2O3 nanowires and suppressing their agglomeration, thereby endowing the composite with a large specific surface area and pore volume. The formation of a p–n heterojunction also effectively suppresses the recombination of photogenerated charge carriers within the catalyst. Finally, this work elucidates the detailed process and underlying mechanism of photocatalytic tetracycline degradation driven by simulated sunlight. In summary, this study innovatively employs the Bi2O3/BNNS composite as a novel photocatalyst for tetracycline degradation and provides theoretical guidance for the design of advanced photocatalysts.
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PubMed
高影响因子
APPLIED SURFACE SCIENCE
·
2025
·
IF 6.9
Shikai Xue,Xin Li,Lin Li,Shan Huang,Jinhua Luo,Haiyan Wang,Qiujun Lu,Guoxing Yin,Fuyou Du
The photocatalytic process is a promising, cost-effective, and environmentally friendly method for remediating environmental pollution. Unfortunately, practical applications have been limited by the shortage of highly efficient photocatalysts. To overcome this problem, a unique cactus-like Bi 12 O 17 Br 2 /Bi 2 O 3 /Bi 25 FeO 40 (BBF) was synthesized facilely by hydrolyzing of rod-like MOF (CAU-17/MIL-100(Fe)) precursor, and the ratio of photocatalyst was adjusted by controlling the hydrolysis time. In this photocatalyst, Bi 12 O 17 Br 2 and Bi 25 FeO 40 were dispersed in Bi 2 O 3 , as well as Bi 12 O 17 Br 2 and Bi 2 O 3 were attached to an S-type heterojunction. The developed BBF demonstrated high photocatalytic efficiency and exceptional stability in degrading five bisphenol pollutants. The photocatalytic degradation of bisphenol A (BPA) using BBF could reach up to 98.7% within 60 min under visible light irradiation. Further characterization demonstrated a significant improvement in the photogenerated charge transfer efficiency and confirmed the S-scheme structure of BBF. Additionally, the possible degradation pathways and the evolution of intermediate toxicity of BPA were discussed according to the intermediates detected in the photocatalytic reaction process.
研究领域:
环境科学
·
材料科学
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SENSORS AND ACTUATORS B-CHEMICAL
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2022
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IF 9.221
Shuang Qi,Lei Dai,Weiwei Meng,Yuehua Li,Ling Wang
Bi 2 O 3 modified La 0.75 Sr 0.25 Cr 0.5 Fe 0.5 O 3-δ (LSCF) composites have been successfully prepared by self-demixing and used as the sensing electrode (SE) of an amperometric NO 2 sensor with yttria stabilized-zirconia (YSZ) electrolyte. The Bi 2 O 3 modified LSCF composites were formed from precursor La 0.75 Sr 0.25 Bi x Cr 0.5 Fe 0.5 O 3+δ (x = 0, 5%, 10%, 20%, 30% and 40%) after calcining at 1200 °C. The particle size of LSCF was increased with the Bi 2 O 3 content increasing. The YSZ porous framework structures were fabricated on YSZ to prolong TPB and the LSCF-xBi 2 O 3 -SE with porous structure was prepared on the porous YSZ backbone after calcining at 1000 °C. It is found that the sensors attached with LSCF-xBi 2 O 3 -SE are more sensitive to different concentrations of NO 2 (25–300 ppm) than the LSCF-based sensor. Among them, LSCF-20% Bi 2 O 3 based sensor exhibits the highest sensitivity (0.301 μA /ppm at 550 °C). The relationship between Δ I s and NO 2 concentrations of the sensor varies linearly at a given temperature. Meanwhile, the sensor shows well anti-interference capability for co-existent gases.
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高影响因子
ACS Omega
·
2022
·
IF 4.132
Peng Li,Jie Qu,Jing Wu,Jie Zhang,Guoli Zhou,Ying Zhang,Yijun Cao,Daoguang Teng
With the rapid development of industry, bismuth-based semiconductors have been widely used for the photocatalytic degradation of organic contaminants discharged into wastewater. Herein, a Bi2O3/BiOCl (BBOC) heterojunction was constructed with high photocatalytic activity toward Rhodamine B (RhB) in the first cycle of the photocatalysis test, while the photocatalytic performance was drastically reduced after repeated testing. The adsorbed RhB molecules occupying the facial active sites of BBOC contributed to the decline of photocatalytic activity. The spent BBOC can be reactivated by the decomposition of the adsorbed RhB and the introduction of oxygen vacancies during calcination under an air atmosphere. The BBOC thus recovered exhibited a superior apparent rate constant of 0.08087 min–1 compared with 0.05228 min–1 of pristine BBOC. This study provided an effective strategy to investigate the deactivation/activation mechanism of bismuth-based heterojunction photocatalysts.
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高影响因子
Crystals
·
2023
·Vol. 13
·期 2
·264
·
IF 2.7
Zhenying Chen,Xiuqing Cao,Yuyang Huang,Shuang Zhang,Wenjian Pan,Wen Deng
Ti-doped ZnO (TZO) and Bi2O3thin films were designed and deposited by magnetron sputtering successively on ITO glass substrate to form a Ti-doped ZnO/Bi2O3(TZO/Bi2O3) heterojunction. Microstructure and photoelectric properties of TZO, Bi2O3, and TZO/Bi2O3films were tested and characterized. The results showed that TZO film with a hexagonal wurtzite structure was preferentially grown along the crystal plane (002), had a good crystallization state, and was an N-type semiconductor film with high transmittance (90%) and low resistivity (4.68 × 10−3Ω·cm). However, the Bi2O3film sputtered in an oxygen-containing atmosphere and was a polycrystalline film that was preferentially grown along the crystal plane (111). It had a lower crystallization quality than TZO film and was a P-type semiconductor film with low transmittance (68%) and high resistance (1.71 × 102Ω·cm). The I–V curve of TZO/Bi2O3composite films showed that it had an obvious heterojunction rectification effect, which indicates that the PN heterojunction successfully formed in TZO/Bi2O3films.Keywords:TZO film;Bi2O3film;TZO/Bi2O3heterojunction;magnetron sputtering;optoelectronic properties
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2023
·
IF 5.2
Sheng-Zhe Zhao,Yi Yang,Ran Lu,Yan Wang,Hong-Lan Huang,Yong-Da Hu,Raul D. Rodriguez,Jin-Ju Chen
The removal of organic contaminants from water poses a significant challenge that can be tackled by integrating adsorption and photocatalytic degradation functions in a single architecture. However, traditional powdery nanomaterials face challenges in separation and lack synergistic function, hampering their practical application. This study presents a one-step hydrothermal synthesis of a convenient recyclable Bi 2 O 2.33 /Bi 2 O 3 @ECNF (electrospun carbon nanofibers), which combines both adsorption and photocatalytic performance. The Bi 2 O 2.33 /Bi 2 O 3 exhibits high adsorption removal of methyl orange (MO), reaching 94.56 % and a maximum capacity of 213.13 mg g −1 . Additionally, the Bi 2 O 2.33 /Bi 2 O 3 shows a high charge transfer rate, strong redox ability, and efficient removal of Rhodamine B (RhB) at 83.01 %. Loading the Bi 2 O 2.33 /Bi 2 O 3 on lightweight carbon fibers allows for easy recycling. The Bi 2 O 2.33 /Bi 2 O 3 @ECNF demonstrates excellent stability and reusability, with a removal rate of 87.37 % for tetracycline hydrochloride (TCH) at high concentrations. This work presents a promising solution for the practical application of photocatalysts by overcoming the limitations of single photocatalysts and minimizing secondary pollution from single adsorbents.
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Small
·
2023
·Vol. 19
·期 49
·2304084
·
IF 13.3
Xiaolei Wang,Wenqian Wang,Bowen Liu,Zichen Song,Zhiyu Ren,Honggang Fu
Although the electron-withdrawing effect of gold (Au) is highlighted in catalytic reactions, its enhancement mechanism for electron transport, especially in the electrochemical process, is still unclear. Herein, Au-decorated Bi 2 O 3 (Au-Bi 2 O 3 ) is proposed as a proof-of-concept to investigate the electron-withdrawing effect in the electrocatalytic CO 2 reduction reaction (eCO 2 RR) process. Evidence from in situ Raman spectra and in situ XRD tests reveals that, compared to Bi 2 O 3 , Bi species in Au-Bi 2 O 3 can be reduced to metallic Bi more rapidly and more easily driven by the electron-withdrawing effect of Au. The XPS tests after eCO 2 RR further validates the transformation from Bi 3+ to Bi 0 in Au-Bi 2 O 3 is more complete. Meanwhile, in the in situ Fourier transform infrared (FTIR) spectra, the key intermediates (CO 2 * − and OCHO* − ) appear at the more positive potential, indicating that metallic Bi is favorable for eCO 2 RR due to the lower energy barrier as corroborated by density function theory (DFT) calculations. Au don't directly participate in the conversion from CO 2 to formate as the reaction sites, but utilize the electron-withdrawing effect to motivate Bi-sites to deliver higher catalytic activity and higher selectivity to formate at a lower applied potential. This study not only has an insight into the electron-withdrawing effect of Au on the eCO 2 RR process, but also develops a new perspective for engineering electron-withdrawing effect in electrocatalysts for high-efficient CO 2 -to-formate conversion.
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