Article
Chemistry, Physical
Gancheng Zuo, Yuting Wang, Wei Liang Teo, Qiming Xian, Yanli Zhao
Summary: Constructing direct Z-scheme heterojunction (DZH) is crucial for improving the efficiency and stability of catalysts for photocatalytic water splitting. In this study, ultrathin TiO2 nanosheets were integrated into ZnIn2S4 to produce TiO2-ZnIn2S4 heterostructure nanoflowers, enhancing the overall system performance. The optimized DZH nanoflowers exhibit enhanced PWS activity and excellent stability, making them promising candidates for efficient water splitting applications.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Chemistry, Physical
Chuanpeng Ge, Biyi Wang, Hongdong Yang, Qingyi Feng, Sizhao Huang, Xiaotao Zu, Li Li, Hongxiang Deng
Summary: In this paper, a novel GaSe/ZrS2 heterojunction is designed and studied. It is a direct Z-scheme photocatalyst that can separate photogenerated carriers and improve the redox ability of carriers. The high electron mobility and excellent absorption coefficients make it a promising photocatalyst for overall water splitting. The study also shows that applying biaxial strain can further enhance the light absorption coefficients of GaSe/ZrS2 heterojunction.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Rui Xiong, Yu Shu, Xuhui Yang, Yinggan Zhang, Cuilian Wen, Masakazu Anpo, Bo Wu, Baisheng Sa
Summary: Using first-principles calculations, we predicted that the transfer of photogenerated electrons and holes in the WTe2/InSe vdW heterostructure follows the Z-scheme pathway. This heterostructure exhibits high stability and efficient carrier separation, while the suitable band edge positions provide sufficient driving force for photoinduced carriers to participate in water redox reaction. Furthermore, the Te vacancies in WTe2/InSe can lower the overpotential of the hydrogen evolution reaction.
CATALYSIS SCIENCE & TECHNOLOGY
(2022)
Article
Materials Science, Ceramics
Qiaoyun Wang, Nasiman Tuerxun, Lu Xiao, Yu Wang, Caijin Huang, Hong Du
Summary: Ni3FeN nanosheets were synthesized using urea as a nitrogen source, and a heterostructure of Ni3FeN/g-C3N4 was constructed to enhance the absorption of visible light. The Ni3FeN/g-C3N4 heterojunction demonstrated excellent visible-light photocatalytic activity and bimetallic nitrides as cocatalysts were found to enhance the performance of photocatalysts. The study highlights the feasibility of using Ni3FeN as a cocatalyst in photocatalytic hydrogen production.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2023)
Article
Chemistry, Physical
Wenyi Tang, Guangzhao Wang, Can Fu, Biao Wang, Hongkuan Yuan, Hong Chen
Summary: We report SnC/HfSSe heterojunctions as competitive direct Z-scheme photocatalysts for water-splitting hydrogen generation. HfSSe acts as an oxidant and SnC as a reductant, achieving a photogenerated electron-hole migration following the Z-scheme path. The heterojunctions exhibit excellent visible light absorption, a red shift, and strong light absorption. In extremely acidic solution, the heterojunctions show an outstanding solar-to-hydrogen efficiency of 27%.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Inorganic & Nuclear
Kunqiao Li, Wanbao Wu, Yanqiu Jiang, Zhe Wang, Xing Liu, Junzhuo Li, Debin Xia, Xianzhu Xu, Jizhuang Fan, Kaifeng Lin
Summary: This research successfully prepared a direct Z-scheme g-C3N4/MoO3 photocatalytic composite with oxygen vacancies through a facile in situ method, demonstrating superior photocatalytic performance. The migration and separation of photoinduced charge carriers in the composite material follow a possible mechanism based on the Z-scheme photocatalytic system constructed by the oxygen vacancies.
INORGANIC CHEMISTRY FRONTIERS
(2021)
Article
Chemistry, Physical
Moyun Cao, Lei Ni, Zhu Wang, Jian Liu, Ye Tian, Yan Zhang, Xing Wei, Tingting Guo, Jibin Fan, Li Duan
Summary: Constructing two-dimensional van der Waals heterostructures can significantly enhance the photocatalytic efficiency of monolayer materials. The MoTe2/BAs heterostructure with intrinsic type-II band alignment and spatial separation of photoexcited carriers shows promising prospects in photocatalysis for water splitting.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Wenxi Zhang, Yun Xiang, Xikai Li, Xiujie Huang, Xueren Qian
Summary: In this study, a visible light-responsive photocatalytic composite paper was developed based on cellulose fibers loaded with O-vacancy Bi2WO6/SrTiO3 heterojunction photocatalyst. The O-vacancy introduced in Bi2WO6 enhanced the utilization of visible light and achieved effective regulation of the energy band structure, resulting in the transformation of a type-II heterojunction to a Z scheme heterojunction. The O-vacancy Bi2WO6/SrTiO3 paper exhibited superior photocatalytic performance and good cycle stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Rui Li, Qiongke Shi, Luyang Zuo, Yingjun Chen, Wenqiang Li, Huitao Fan, Bo Li, Liya Wang
Summary: The shortage of fossil energy has led to increasing concerns globally. Utilizing solar energy and transforming it into sustainable and clean energy is crucial. The development of hydrogen energy has emerged as a feasible solution to address the energy shortage issue. This paper presents a novel approach by directly assembling 2D ZnIn2S4 nanosheets on the surface of CoTiO3, resulting in a CoTiO3/ZnIn2S4 photocatalyst featuring a direct Z-scheme charge transfer channel. This enhances the separation rate of photogenerated carriers and accelerates the photocatalytic H2 evolution rate.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Chemistry, Physical
Anqi Shi, Dazhong Sun, Xuemei Zhang, Shilei Ji, Longlu Wang, Xing'ao Li, Qiang Zhao, Xianghong Niu
Summary: This study investigates the formation mechanism of direct Z-scheme photocatalysts through theoretical simulations. The results indicate that the interfacial electric field can significantly promote the interlayer recombination of photogenerated electrons and holes with weak redox ability, while the weak nonadiabatic coupling of interface transfer channel plays a key role in preserving the high activity of photogenerated electrons and holes with strong redox ability. These findings deepen our understanding of Z-scheme formation and can accelerate the design of direct Z-scheme photocatalysts.
Article
Chemistry, Physical
Qing Han, Shiwen Du, Yumin Wang, Ziwu Han, Hongjing Li, Hu Xu, Pengfei Fang
Summary: In this work, few-layered MoSe2 nanosheets were grown vertically on TiO2 nanorods to synthesize a direct Z-scheme heterojunction, exhibiting efficient piezocatalytic and piezo-photocatalytic performance. The MoSe2/TNr heterostructure showed superior piezoelectric degradation efficiency and a piezo-photoelectric synergistic effect. This study broadens the application prospects of piezocatalysis and piezo-photocatalysis in renewable energy harvesting and water purification.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Chemistry, Physical
Krishnasamy Mahalakshmi, Rajendran Ranjith, Pazhanivel Thangavelu, Matheshwaran Priyadharshini, Baskaran Palanivel, Mohamed Aslam Manthrammel, Mohd Shkir, Barathi Diravidamani
Summary: In this study, a Z-scheme Bi2O3/g-C3N4 heterojunction was synthesized by in situ thermal polymerization. The effect of different ratios of the composite material on visible-light-induced catalytic activity was investigated, and an improved photocatalytic mechanism was proposed. The results showed that the 1:1 ratio of the heterojunction composite material exhibited high visible-light-induced catalytic activity.
Article
Environmental Sciences
Qiang Gao, Zhi Wang, Junxi Li, Bin Liu, Chenguang Liu
Summary: In this study, a series of ZnIn2S4/ZnFe2O4 Z-scheme heterojunction photocatalysts with superior magnetic properties were synthesized. These photocatalysts exhibited enhanced efficiency and easy recyclability for photodegradation and Cr(VI) reduction. The findings open up new possibilities for the design of highly efficient and magnetically separable photocatalysts for environmental remediation.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Chemistry, Physical
Can Fu, Guangzhao Wang, Yuhong Huang, Ying Chen, Hongkuan Yuan, Yee Sin Ang, Hong Chen
Summary: In this study, a two-dimensional CdS/SnS2 heterostructure is proposed as a possible water splitting photocatalyst. The heterostructure enhances light absorption and spatially separates the photoinduced carriers, resulting in extended carrier lifetimes. The introduction of a S-vacancy into SnS2 effectively lowers the overpotential of the oxygen evolution reaction, enabling spontaneous water splitting under light irradiation.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2022)
Article
Engineering, Environmental
Jingru Guo, Liping Wang, Xiao Wei, Zeid A. Alothman, Munirah D. Albaqami, Victor Malgras, Yusuke Yamauchi, Yunqing Kang, Meiqi Wang, Weisheng Guan, Xingtao Xu
Summary: The construction of a Z-scheme CuInS2/Bi2MoO6 heterostructure via in-situ hydrothermal reactions resulted in superior photocatalytic activity towards the degradation of tetracycline under visible light, with 8 and 2.5 times improvements compared to their individual components. The enhanced photocatalytic performance is mainly attributed to effective charge transfer at the interface and the ternary sulfide semiconductor absorbing light in the useful region of the solar spectrum.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Chemistry, Physical
Qi-Wen Chen, Ze-Qing Guo, Jian-Ping Zhou
Summary: Multifunctional continuous solid solutions NFMTO-x were successfully synthesized via a one-step hydrothermal method by controlling the ratio of Mg and Fe. The NFMTO-x materials exhibited enhanced visible light response, effective adsorption and photocatalytic degradation of organic pollutants, CO2 methanation capability, and easy recyclability due to their magnetic properties. This research provides a significant multifunctional material for water purification.
APPLIED SURFACE SCIENCE
(2024)
Review
Chemistry, Physical
George E. Stan, Maziar Montazerian, Adam Shearer, Bryan W. Stuart, Francesco Baino, John C. Mauro, Jose M. F. Ferreira
Summary: Bioactive glasses have the ability to form strong bonds with tissues and release therapeutic ions. However, their biomechanical compatibility limits their use in load-bearing applications. The use of magnetron sputtering technology to fabricate BG coatings shows promise in improving their efficacy and potential for application.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zhaoxuan Wang, Zhicheng Yan, Zhigang Qi, Yu Feng, Qi Chen, Ziqi Song, Meng Huang, Peng Jia, Ki Buem Kim, Weimin Wang
Summary: The corrosion behavior of Fe-60 and Fe-83 ribbons in 0.6 M NaCl was studied. Fe-60 exhibited a local corrosion mode and formed a stable passivation film with higher corrosion resistance, while Fe-83 showed a combination of local and global corrosion modes and had lower corrosion resistance. Controlling the precipitation of nanocrystalline phases and increasing the POx content in the passivation film significantly improved the corrosion resistance of Fe-based glassy alloys.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Hao-Kai Peng, Sheng-Yen Zheng, Wei-Ning Kao, Ting-Chieh Lai, Kai-Sheun Lee, Yung- Hsien Wu
Summary: This study investigates the effects of high energy/fluence proton radiation on the performance of HfZrOx-based FeFETs memory with different Zr content. The results show that the characteristics of FeFETs are influenced by proton radiation, and the extent of the influence depends on the Zr content. FeFETs with 50% Zr content exhibit minimal changes in memory window and demonstrate good endurance and retention performance.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zongyi Yue, Guangyi Wang, Zengguang Huang, Sihua Zhong
Summary: In this study, AZO and ITO films were successfully tuned as excellent passivation layers for c-Si surfaces, achieving effective minority carrier lifetime and outstanding optical properties through the optimization of annealing temperature and interfacial silicon oxide.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Martin Hruska, Jan Kejzlar, Jaroslav Otta, Premysl Fitl, Michal Novotny, Jakub Cizek, Oksana Melikhova, Matej Micusik, Peter Machata, Martin Vrnata
Summary: This paper presents a detailed study on the hydrogen sensing capabilities of highly nanoporous black gold films. The films exhibit fast response and recovery times at low temperatures. Different levels of nanoporosity were prepared and tested to investigate the sensing properties, and it was found that nanoporous black gold is suitable for hydrogen sensing. The sensitivity of the film depends on its nanoporosity.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yupu Wang, Gaofeng Teng, Chun To Yiu, Junyi Zhu
Summary: In the study of BM-SCO and HSCO thin films, it was found that H vacancies tend to prefer sites near the external surface or oxygen vacancy channels (OVCs), while H interstitials prefer sites of oxygen on a layer that contains six-fold coordinated Co. These findings not only enrich the understanding of complex surface phenomena of defect formation but also provide an explanation for the reversibility during phase transformation.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jiafeng Lu, Linping Teng, Qinxiao Zhai, Chunhua Wang, Matthieu Lancry, Ye Dai, Xianglong Zeng
Summary: In this study, we achieved full control of fiber nanograting orientation by manipulating laser polarization, and tailored space variant fiber nanogratings, which expanded the diversity in fiber nanograting engineering.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yibo Liu, Yujie Tao, Yue Liu, Qi Sun, Qinrong Lin, Kexin Kang, Qinghua Zhang, Qingjie Sun
Summary: This study investigates the wettability of the Ti-Cu-Fe multi-metal system, specifically the wetting behaviors of CuSi3 droplets on TC4 and 304SS plates. The results show that the CO2 + Ar gas atmosphere significantly affects interfacial mass transfer, thus influencing the wettability of the systems.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jimei Liu, Fei Wang, Rong Guo, Yuqi Liu, Mengyu Zhang, Jaka Sunarso, Dong Liu
Summary: This study developed Co/MXene composites with anti-corrosion properties by varying the cobalt content. These composites exhibited remarkable electromagnetic absorption performance and high resistance to corrosion under various corrosive conditions. The study also revealed the mechanism of electron transfer from cobalt to MXene and the electromagnetic dissipation behavior originated from polarization loss alone.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Moujie Huang, Yongsong Ma, Jingbo Yang, Lingyun Xu, Hangqi Yang, Miao Wang, Xin Ma, Xin Xia, Junhao Yang, Deli Wang, Chuang Peng
Summary: Strong metal-support interactions (SMSIs) are important for enhancing catalytic activities and stability in thermal catalysis. This study demonstrates a method to create SMSIs in electrocatalysis using carbon nanotubes and Ru nanoparticles, resulting in excellent catalytic activity and stability.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Ravi Trivedi, Brinti Mondal, Nandini Garg, Brahmananda Chakraborty
Summary: This study explores the potential of biphenylene as a nanocarrier for the delivery of the anticancer drug cisplatin. It is found that biphenylene offers physical stability, rapid release rate, solubility, and bio-compatibilities compared to other nanocarriers. The adsorption of cisplatin on the surface of biphenylene involves charge transfer from cisplatin to biphenylene. The drug is shown to be released at body temperature in an acidic environment. Biphenylene also exhibits excellent cytotoxicity activity and cellular uptake of the drug. Overall, biphenylene shows promise as a potential nanocarrier for cisplatin delivery.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Hyun Jeong, Hyeong Chan Suh, Ga Hyun Cho, Rafael Salas-Montiel, Hayoung Ko, Ki Kang Kim, Mun Seok Jeong
Summary: In this study, a potential platform to enhance Raman scattering and increase the number of observable Raman modes in monolayer transition metal dichalcogenides (TMDs) was proposed. The platform consisted of large-scale arrays of gold micropillars (MPs), which were able to enhance the Raman intensity of TMDs and make difficult-to-detect Raman modes observable. The platform showed great industrial advantages and wide applicability due to its low cost, simple process, large controllable area, and short process time.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yasir Abbas, Shafqat Ali, Sajjad Ali, Waqar Azeem, Zareen Zuhra, Haoliang Wang, Mohamed Bououdina, Zhenzhong Sun
Summary: In this study, FeOx@SPNO-C core-shell nanospheres as a catalyst for degradation of sulfamethoxazole (SMX) were successfully synthesized. The synergistic interaction between FeOx and SPNO-C, high carbon charge density, and the presence of C = O groups and N/Fe-Nx sites were found to be key factors for the enhanced degradation of SMX.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Qiaoting Yang, Yuxiao Gong, Yan Qian, Zhou-Qing Xiao, Serge Cosnier, Xue-Ji Zhang, Robert S. Marks, Dan Shan
Summary: This study proposes a hierarchical confinement strategy to design Prussian blue nanoparticles (PB NPs) with satisfactory electrocatalytic ability and stability. The catalytic synthesis of PB NPs is achieved through a hydrothermal process, and the as-prepared PB@NH2MIL exhibits efficient electronic transmission and enhanced electrocatalytic properties.
APPLIED SURFACE SCIENCE
(2024)