Article
Chemistry, Multidisciplinary
Nannan Zhang, Yuxi Meng, Yuxue Ning, Andrew E. H. Wheatley, Fang Chai
Summary: A novel and eco-friendly method was developed for synthesizing high-efficiency CuO hexapods and CuO-Ag composite as reusable catalysts in the hydrogenation of 4-nitrophenol. Both materials exhibited outstanding catalytic performance and durability, making them promising candidates for environmental protection applications.
Article
Environmental Sciences
Wenhu Wang, Mallikarjuna N. Nadagouda, Sharmila M. Mukhopadhyay
Summary: A flexible, durable, and reusable nanocatalyst system was developed for the degradation of the emerging contaminant triclosan (TCS), showing complete step-wise chlorine removal in the presence of hydrogen with significantly higher reaction rate constant compared to previous studies. The material demonstrated multiple cycles of usability in flowing water, highlighting the potential for practical and eco-friendly solutions for water sustainability by combining the robustness and reusability of large structural materials with the ultra-high surface activity of nanocatalysts.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Chemistry, Physical
Hend Omar Mohamed, Rajesh K. Parsapur, Idoia Hita, Adrian Ramirez, Kuo-Wei Huang, Jorge Gascon, Pedro Castano
Summary: The nature and location of coke in zeolite catalysis have an interdependence with its true character in the mechanisms of ethylene oligomerization. Coke can improve the selectivity and yield of higher olefins and jet-fuel aliphatics, and this effect is better exploited in polymeric templated (hierarchical) ZSM-5 zeolite, which also exhibits good stability.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Polymer Science
Guan-Hui Lai, Bi-Sheng Huang, Ta-I Yang, Mei-Hui Tsai, Yi-Chen Chou
Summary: This study successfully applied an Au/electroactive polyamide composite as a catalyst for the reduction of nitrophenol to aminophenol, achieving a conversion higher than 95% after 180 days or 30 cycles of reuse. The composite showed excellent performance and was characterized using various techniques such as field-emission scanning electron microscopy and X-ray diffraction.
Article
Materials Science, Ceramics
Sankar Sekar, Subalakshmi Kumar, Youngmin Lee, Hyewon Jun, Jiseop Yun, Thandavarayan Maiyalagan, Sejoon Lee
Summary: In this study, ilmenite (FeTiO3) nanochips were synthesized using a template-free hydrothermal growth technique and their catalytic reduction activities for 4-nitrophenol (4-NP) were demonstrated. The nanochips prepared at 180°C showed more homogeneous distributions in morphology and size compared to other samples. Moreover, they exhibited high porosity and charge transfer activity, enabling excellent reduction performance with a high reduction rate (approximately 91%) and short reduction time (6 min). These findings suggest that FeTiO3 nanochips can be utilized as an effective catalyst for the reduction of 4-NP in future environmental technology.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Yu Zhang, Changshun Chu, Yang Xu, Zhanfang Ma, Hongliang Han
Summary: In this study, a copper and cobalt nanoparticle decorated carbon framework catalyst was reported, which exhibited highly efficient catalytic performance and remarkable reusability for the reduction of 4-nitrophenol.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Multidisciplinary
Ying-Hao Pai, Chun-Hua Chen
Summary: Black phosphorus (BP) as a promising 2D material has sparked extensive research, but its atmospheric instability hinders practical applications. Selective deposition of hydrophobically-functionalized Al2O3 capping layers successfully seals exfoliated BP flake assemblies, with the hydrophobic Al2O3 providing the most promising protection against rapid degradation. Valuable insights into anisotropic degradation of sealed BP assemblies induced by functionalized Al2O3 capping are provided in this work.
Article
Materials Science, Multidisciplinary
Xiaoqiu Yao, Runxin Teng, Ming Jin, Decheng Wan
Summary: In this study, highly catalytically active, uniform, and supported gold nanoclusters (AuNCs) were successfully prepared in one step using an amphiphilic and dendritic molecular template. The dendritic polymer, modified with thioether groups and alkylated with hydrophobic acetyls and polystyrene chains, could act as a surfactant and a unimolecular template to stabilize the formation of uniform AuNCs within a wide pH spectrum.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Chemistry, Physical
Hiroya Ishikawa, Min Sheng, Ayako Nakata, Kiyotaka Nakajima, Seiji Yamazoe, Jun Yamasaki, Sho Yamaguchi, Tomoo Mizugaki, Takato Mitsudome
Summary: In this study, a supported cobalt phosphide nanoalloy catalyst was developed for the selective hydrogenation of furfural derivatives, showing high efficiency and air stability without the need for H-2 pretreatment. Backdonation from Co d-electrons to the pi* orbital of furfural derivatives was found to play a key role in the highly efficient hydrogenation process.
Article
Chemistry, Multidisciplinary
Sho Yamaguchi, Shu Fujita, Kiyotaka Nakajima, Seiji Yamazoe, Jun Yamasaki, Tomoo Mizugaki, Takato Mitsudome
Summary: The study presents a non-noble metal catalyst, nickel phosphide nanoparticle supported on hydrotalcite, which effectively catalyzes the selective hydrogenation of d-glucose to d-sorbitol in water, with high yield and over 99% selectivity under mild conditions. This nano-Ni2P/HT catalyst shows superior activity compared to other non-noble metal catalysts, can operate at ambient temperature under just 1 bar of H-2, and is stable and reusable, providing a cheap, green, and sustainable route for the production of d-sorbitol.
Article
Chemistry, Physical
Lin Fu, Wei Zhou, Ming Wen, Qingsheng Wu, Weiying Li, Dandan Wu, Quanjing Zhu, Jiaqi Ran, Panpan Ren
Summary: Layered CuNi-Cu2O/NiAlOx nanosheets were successfully synthesized through hydrothermal synthesis, calcination, and reduction treatment, allowing rapid and efficient conversion of p-NP. The designed nanoalloy/bimetal-oxide heterostructure provides a solution for rapid reduction of aminoaromatics from nitroaromatics wastewater even at high concentrations.
Article
Chemistry, Multidisciplinary
Ashish Nag, Laysa Mariela Frias Batista, Katharine Moore Tibbetts
Summary: Cu nanoparticles were synthesized using a bottom-up laser reduction in liquid method, showing a broad size distribution surrounded by a carbon matrix. XRD analysis confirmed the presence of fcc-Cu NPs and amorphous Cu2O, indicating the stability of the zero-valent Cu phase. The nanoparticles exhibited high catalytic activity in the reduction of para-nitrophenol in the presence of NaBH4.
Article
Chemistry, Multidisciplinary
Sodiq Adeyeye Nafiu, Syed Shaheen Shah, Abdul Aziz, M. Nasiruzzaman Shaikh
Summary: This study describes the direct attachment of gold nanoparticles to a green support without the use of an external reducing agent for removing toxic pollutants from wastewater, such as reduction of nitroarene to amine. The catalytic activity of the AuNPs/JPS catalyst for hydrogenation of nitroarenes in aqueous media was evaluated, showing high efficiency. The reusability of the AuNPs catalyst on the support surface was confirmed, with stable performance and unaffected selectivity.
CHEMISTRY-AN ASIAN JOURNAL
(2021)
Article
Chemistry, Physical
Po-Hsin Mao, Nguyen Nhat Huy, Suresh Ghotekar, Jia-Yin Lin, Eilhann Kwon, Fei-Yee Yeoh, Farshid Ghanbari, Grzegorz Lisak, Kun-Yi Andrew Lin
Summary: This study presents a facile approach to develop Cu-carboxylate frameworks (CuCF) composite materials and compares their catalytic behaviors. The CuCF mesh with carboxylates (CFCM) shows the highest catalytic activity and a lower reaction activation energy for catalyzing 4-NP. CFCM can be used for consecutive cycles and convenient filtration-type 4-NP reduction, as well as decolorization of methylene blue and methyl orange dyes.
Article
Chemistry, Multidisciplinary
Xiaoyu Lou, Xiaoyan Chen, Duanlian Tang, Qiong Wang, Yukun Tian, Menghan Tu, Yupeng Wang, Changshen Ye, Jie Chen, Ting Qiu
Summary: Hierarchical porous carbons with adjustable structure and nitrogen defects were synthesized and exhibited excellent adsorption performance, especially for heavy metal ions. The hybrid function of chemisorption and physical adsorption contributed to the remarkable adsorption capacities and rapid adsorption rate.
Article
Thermodynamics
Sukanya Kundu, Ipsita Hazra Chowdhury, Milan Kanti Naskar
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2018)
Article
Materials Science, Multidisciplinary
Sourav Ghosh, Rituparna Das, Milan Kanti Naskar
Article
Chemistry, Multidisciplinary
Rituparna Das, Milan Kanti Naskar
NEW JOURNAL OF CHEMISTRY
(2018)
Article
Chemistry, Multidisciplinary
Rituparna Das, Sourav Ghosh, Milan Kanti Naskar
NEW JOURNAL OF CHEMISTRY
(2018)
Article
Engineering, Chemical
Arpita Hazra Chowdhury, Ipsita Hazra Chowdhury, Sk Manirul Islam
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2019)
Article
Chemistry, Multidisciplinary
I. Hazra Chowdhury, M. Roy, S. Kundu, M. K. Naskar
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2019)
Article
Materials Science, Multidisciplinary
Sourav Ghosh, Sukanya Kundu, Rituparna Das, Milan Kanti Naskar
BULLETIN OF MATERIALS SCIENCE
(2019)
Article
Polymer Science
Arpita Hazra Chowdhury, Ipsita Hazra Chowdhury, Sk Manirul Islam
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
(2020)
Article
Chemistry, Physical
Arpita Hazra Chowdhury, Ipsita Hazra Chowdhury, Surajit Biswas, Sk Manirul Islam
MOLECULAR CATALYSIS
(2020)
Article
Chemistry, Multidisciplinary
Sourav Ghosh, Rituparna Das, Sukanya Kundu, Milan Kanti Naskar
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2020)
Review
Chemistry, Multidisciplinary
Ipsita Hazra Chowdhury, Arpita Hazra Chowdhury, Priyanka Sarkar, Sk. Manirul Islam
Summary: The review discussed the significant developments and future research directions of major porous heterogeneous catalysts in carbon dioxide capture and conversion, highlighting their physiochemical properties and efficiency for CO2 capture and conversion.
Article
Chemistry, Multidisciplinary
Arpita Hazra Chowdhury, Ipsita Hazra Chowdhury, Surajit Biswas, Pekham Chakrabortty, Sk. Manirul Islam
NEW JOURNAL OF CHEMISTRY
(2020)
Article
Chemistry, Multidisciplinary
Ipsita Hazra Chowdhury, Arpita Hazra Chowdhury, Anjan Das, Aslam Khan, Sk Manirul Islam
NEW JOURNAL OF CHEMISTRY
(2020)
Article
Chemistry, Multidisciplinary
Arpita Hazra Chowdhury, Utpal Kayal, Ipsita Hazra Chowdhury, Swarbhanu Ghosh, Sk Manirul Islam
Article
Chemistry, Multidisciplinary
Sukanya Kundu, Ipsita Hazra Chowdhury, Milan Kanti Naskar