Article
Chemistry, Multidisciplinary
Carla Calabrese, Amelie Maertens, Alessandra Piras, Carmela Aprile, Leonarda Francesca Liotta
Summary: TiO2 nanomaterials were synthesized through a sol-gel method using titanium butoxide as a precursor, Pluronic F127 as a template, toluene as a swelling agent, and acidic water or ethanol as reaction solvents. The synthesis medium influenced the phase composition of the solids, with ethanol promoting dispersed anatase particles and water leading to a rutile phase. The photocatalytic activity of the samples was tested by the photodegradation of Rhodamine B.
Article
Chemistry, Multidisciplinary
Enrico Paradisi, Roberto Rosa, Giovanni Baldi, Valentina Dami, Andrea Cioni, Giada Lorenzi, Cristina Leonelli
Summary: This article introduces a new method for fast and simple synthesis of crystalline TiO2 nanoparticles with photocatalytic activity, and demonstrates the application of this method in the production of nanotitania.
Article
Engineering, Electrical & Electronic
Ajay P. Khairnar, Anita K. Tawade, Bhagyashri B. Kamble, Hemant S. Khune, Anil A. Powar, Kirankumar K. Sharma, Manohar R. Patil, Shivaji N. Tayade, Vijay S. Patil
Summary: An immensely selective sensor TiO2-ZnO-BMIMBr nanocomposite was developed for dopamine detection. Ionic liquids (ILs) act as green dispersing media for the nanostructures, enhancing conductivity and biocompatibility. The nanocomposite exhibits improved electrochemical behavior compared to the bare electrode, and has a low detection limit for dopamine in urine samples.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Chemistry, Multidisciplinary
Marwa Fathy, Hossam Hassan, Hoda Hafez, Moataz Soliman, Fuad Abulfotuh, Abd El Hady B. Kashyout
Summary: Nanocrystalline TiO2 and reduced graphene oxide materials were synthesized by a simple and low-cost microwave-assisted hydrothermal method and used in dye-sensitized solar cells as photoactive and metal-free counterelectrodes, respectively. The properties of the synthesized TiO2 and rGO materials were characterized, and the performance of the fabricated DSSCs based on these materials was evaluated. The results showed that rGO could be a promising alternative to Pt as a counterelectrode in DSSCs.
Article
Chemistry, Multidisciplinary
Jian Wang, Wei Lin, Shulan Zhou, Zheng Li, Hao Hu, Yinglong Tao, Shijian Zhou, Xian Zhao, Yan Kong
Summary: This work presents a novel method for synthesizing TiO2 with Ti3+ defects exclusively embedded in the bulk lattice near the surface. The presence of both ethanol and HF is essential for precise location control of the formed Ti3+ defects. Extensive analysis using various techniques and theoretical simulation clarify the mechanism behind the precise control of the Ti3+ defect sites.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Yan Liang, Zhongke Xiang, Xiaojian Zhao, Feifei Xiang, Peipei Yan, Ting Yu, Xin Li, Yong Yang
Summary: The crystal facet effect of tin dioxide (SnO2) on photocatalysis and gas sensing was studied in this work. SnO2 nanocrystals with different exposed crystal facets were fabricated and their photocatalytic degradation performance on water pollutants was evaluated. It was found that elongated octahedral SnO2 nanocrystals with coexisting {221} and {110} facets showed superior photocatalytic degradation performance compared to other crystal facets, indicating a strong synergistic effect between the two facets. Additionally, the crystal facet effect combined with photo-assistance enabled the detection of ammonia at room temperature. The study analyzed the photocatalytic and gas sensing mechanisms using various experimental characterization techniques and theoretical calculations. These findings enrich the research on performance control of functional nanomaterials through crystal facet engineering and have practical significance in environmental monitoring and governance.
Article
Engineering, Electrical & Electronic
Fatma Kilic Dokan, Mehmet Kuru
Summary: In this study, TiO2 microspheres were synthesized using a hydrothermal method, and CeO2 nanoparticles were loaded onto them in different ratios using a sol-gel method. The CeO2 doping led to decreased crystallite size and increased surface area of the nanoparticles, significantly affecting the photocatalytic activity. The 0.1% CeO2-TiO2 photocatalyst showed high efficiency in degrading methylene blue.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2021)
Article
Chemistry, Multidisciplinary
Olufemi Olatidoye, Daria Thomas, Bishnu Prasad Bastakoti
Summary: A facile method of synthesizing mesoporous TiO2 thin films using polymeric micelles as a template is reported. The mesoporous TiO2 films showed enhanced photocatalytic activity due to increased surface area and rough surface around the pores. Photocatalytic testing demonstrated the effectiveness of the prepared mesoporous thin films in degrading dyes.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Crystallography
T. L. Soundarya, T. Jayalakshmi, Mabkhoot A. Alsaiari, Mohammed Jalalah, Antonio Abate, Fahad A. Alharthi, Naushad Ahmad, G. Nagaraju
Summary: Titanium dioxide nanoparticles play a crucial role in hydrogen gas evolution and catalytic applications. This study successfully synthesized single-phase anatase TiO2 nanoparticles using an ionothermal method, confirming their catalytic activity and structural properties.
Article
Chemistry, Analytical
Tommaso Addabbo, Irene Cappelli, Ada Fort, Marco Mugnaini, Enza Panzardi, Valerio Vignoli, Cecilia Viti
Summary: This paper investigates humidity sensing using TiO2 nanoparticles through impedance measurements, showing large responses in the relative humidity range from 30% to 80% attributed to condensation in nanopores. The addition of Au nanoparticles dramatically reduces sensing film response and recovery time, with a preference for condensation when relative humidity exceeds 70%.
Article
Polymer Science
Muhammad Tahir, Muhammad Zeb, Alamgeer, Shahid Hussain, Mahidur R. Sarker, Dil Nawaz Khan, Fazal Wahab, Sawal Hamid Md Ali
Summary: This paper reports on the synthesis and characterization of Cu2O nanoparticles as well as their application in enhancing the humidity-sensing properties of semiconducting polymer F8. The Cu2O nanoparticles show non-uniform distribution with almost uniform shape and size, and have an average particle size of approximately 24 +/- 2 nm. The F8-Cu2O nanocomposites thin film exhibits improved humidity sensing range, response time, and recovery time compared to the pure F8 film. The enhanced humidity-sensing properties are attributed to the changes in hydrophobicity, surface to volume ratio of Cu2O nanoparticles, and modification in electron polarizability and polarity of the F8 matrix layer.
Article
Chemistry, Multidisciplinary
Xiaobing Wang, Yihao Zhang, Yu Cao, Zhi Zheng, Xiaowei Guo, Jiabao Cui, Xiangdong Lou, Yuming Guo, Huijun Liang, Zhansheng Lu, Lin Yang, Hua Zhang, Xiaoming Ma
Summary: The novel tufted nanoneedle embedded localized microsphere (TELM) nanoarchitecture has been proposed and successfully synthesized. The TELM is composed of tufted rutile TiO2 nanoneedles embedded on the localized surface of anatase TiO2 microspheres (TiO2-TELM). The decay lifetime of photogenerated charge carriers (PCCs) in TiO2-TELM is significantly prolonged compared to pure rutile and anatase TiO2, and the TiO2-TELM with 1 wt% Pd loading achieves an ultrahigh H-2 production rate in pure water. Moreover, the photogenerated electrons and holes in TiO2-TELM migrate towards the rutile and anatase phases of TiO2, respectively. This study provides an effective strategy for the rational design and controlled synthesis of nanoarchitectures.
MATERIALS CHEMISTRY FRONTIERS
(2023)
Article
Multidisciplinary Sciences
V. T. Lukong, K. O. Ukoba, T. C. Jen
Summary: This study synthesized TiO2 nanoparticles using the sol-gel method and investigated their properties and self-cleaning application. The results showed that the crystallinity of TiO2 nanoparticles improved with increased calcination temperature, and a phase transformation occurred. The particle size of TiO2 nanoparticles also changed with calcination temperature. The sample calcined at 600 degrees C exhibited the highest self-cleaning ability.
JOURNAL OF KING SAUD UNIVERSITY SCIENCE
(2022)
Article
Polymer Science
Abubakar Katsina Usman, Diana-Luciana Cursaru, Gheorghe Branoiu, Raluca Somoghi, Ana-Maria Manta, Danuta Matei, Sonia Mihai
Summary: The study presents the preparation of anatase phase {001}-TiO2/Au hybrid nanocomposites using a sol-gel synthesis technique and investigates their photocatalytic activity. The characterization results demonstrate the structure and performance of the materials, showing promising photodegradation efficiencies under direct sunlight illumination.
Article
Materials Science, Multidisciplinary
Gertrude Kignelman, Wim Thielemans
Summary: A recent study shows that sol-gel and hydrothermal synthesis methods are the most sustainable processes for TiO2 nanoparticle synthesis, and the impact of various reaction parameters on the crystallinity of nanoparticles varies.
JOURNAL OF MATERIALS SCIENCE
(2021)
Article
Green & Sustainable Science & Technology
Prashant Kumar Mishra, Amit Saxena, Ashok Singh Rawat, Pradeep Kumar Dixit, Rakesh Kumar, Pramod Kumar Rai
ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY
(2018)
Article
Chemistry, Multidisciplinary
Prashant Kumar Mishra, Rakesh Kumar, Pramod Kumar Rai
Article
Chemistry, Multidisciplinary
Prashant Kumar Mishra, Parveen Gahlyan, Rakesh Kumar, Pramod Kumar Rai
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2018)
Article
Environmental Sciences
Prashant Kumar Mishra, Pramod Kumar Rai
Article
Engineering, Environmental
Jiming Lu, Prashant Kumar Mishra, Timothy N. Hunter, Fan Yang, Zhouguang Lu, David Harbottle, Zhenghe Xu
Summary: This study demonstrates the effectiveness of functionalized bio-sorbents derived from pomelo peel in rapidly and efficiently decontaminating water, with the potential for large-scale remediation strategies of contaminated wastewater.
CHEMICAL ENGINEERING JOURNAL
(2022)
Review
Materials Science, Multidisciplinary
Ayushi Mittal, Krishna, Aarti, Suchita Prasad, Prashant Kumar Mishra, Sunil K. Sharma, Badri Parshad
Summary: Carbohydrates play a significant role in biomedical applications such as drug delivery and gene therapy, as they can be incorporated in amphiphilic architectures and self-assemble to form various nanostructures in an aqueous medium. Special attention has been paid to their supramolecular self-assembly behavior and applications in pathogen inhibition and drug delivery.
MATERIALS ADVANCES
(2021)
Review
Chemistry, Multidisciplinary
Badri Parshad, Suchita Prasad, Sumati Bhatia, Ayushi Mittal, Yuanwei Pan, Prashant Kumar Mishra, Sunil K. Sharma, Ljiljana Fruk
Article
Materials Science, Multidisciplinary
Ekta Poonia, Prashant Kumar Mishra, Vijay Kiran, Jasbir Sangwan, Rakesh Kumar, Pramod Kumar Rai, Ritu Malik, Vijay K. Tomer, Rajeev Ahuja, Yogendra Kumar Mishr
JOURNAL OF MATERIALS CHEMISTRY C
(2019)
Article
Chemistry, Inorganic & Nuclear
Vaibhav Bedi, Dipendu Mandal, Zahid Hussain, Shi-Ming Chen, Yile Wu, Zheng-Wang Qu, Stefan Grimme, Douglas W. Stephan
Summary: The reaction of (tBuO(2)CN)(2) with 9-BBN leads to the formation of a bicyclic heterocyclic compound, while its reactions with BF3 or [Et3Si][B(C6F5)(4)] result in the isolation of different compounds. Computational studies reveal that the steric and electronic properties of the Lewis acid are important in the formation of one of the compounds.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Chisa Itoh, Haruka Yoshino, Taku Kitayama, Wataru Kosaka, Hitoshi Miyasaka
Summary: A new synthetic route for constructing functional paddlewheel diruthenium(II,II) complexes was developed, utilizing Schiff base condensation reactions. The attached Schiff base groups significantly affected the electronic states of the resulting complexes, as revealed by cyclic voltammetry and DFT calculations.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Danrui Ni, Haozhe Wang, Xianghan Xu, Weiwei Xie, Robert J. Cava
Summary: A layered rhombohedral polymorph of indium(iii) triiodide is synthesized at high pressure and temperature. It has an orange color, which is different from ambient pressure InI3, which has a monoclinic molecular structure and a light-yellow color.
DALTON TRANSACTIONS
(2024)
Review
Chemistry, Inorganic & Nuclear
Juan Carlos Perez-Sanchez, Raquel P. Herrera, M. Concepcion Gimeno
Summary: Gold(II) complexes have been less utilized in catalysis compared to their gold(I) and gold(III) counterparts. However, gold(II) complexes offer potential in homo-coupling and cross-coupling reactions, as they are more easily accessible through simplified oxidation and reduction processes. Gold(II) exhibits characteristics of both soft acid gold(I) and hard acid gold(III). This review explores the unique reactivity and potential applications of gold(II) species, highlighting their significance in catalytic transformations.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Nighat Yousuf, Yanping Ma, Qaiser Mahmood, Wenjuan Zhang, Yizhou Wang, Hassan Saeed, Wen-Hua Sun
Summary: In this study, a series of structurally rigid cyclooctyl-fused iminopyridine iron complexes were synthesized and used with methylaluminoxane for isoprene polymerization. The extent of steric hindrance of the ligand framework was found to significantly affect catalytic performance, with less hindrance leading to better activity and stability.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Chenghao Song, Huiwei Du, Menglei Xu, Jie Yang, Xinyu Zhang, Jungan Wang, Yuanfang Zhang, Chengjun Gu, Rui Li, Tao Hong, Jingji Zhang, Jiangying Wang, Yongchun Ye
Summary: This study improves the performance of perovskite solar cells by using a dual-hole transport layer strategy. This strategy enhances the charge transfer efficiency of the transport layer, reduces charge recombination, and improves the quality of the perovskite film layer. Ultimately, the stability of the device is enhanced.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Mahender Singh, Aakash Yadav, Ranjit Singh, Chullikkattil P. Pradeep
Summary: A new aryl selenonium polyoxometalate hybrid was developed and compared with an aryl sulfonium polyoxometalate hybrid in terms of their photocatalytic properties. It was found that the aryl selenonium hybrid exhibited better catalytic performance, which could be attributed to the larger atomic radii of selenium stabilizing the photogenerated electron-hole pair more efficiently. Additionally, the generation of elemental selenium through cleavage of C-Se bonds during catalysis was observed.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Yuhan Xie, Boyu Dong, Xuemin Wang, Siyuan Wang, Jinxi Chen, Yongbing Lou
Summary: This study successfully fabricated visible-light-responsive three-dimensional core-shell CoSe2/ZnIn2S4 heterostructures and achieved attractive activity in photocatalytic hydrogen evolution. The presence of CoSe2 improved light absorption and accelerated charge transfer kinetics. The strong interaction between CoSe2 and ZnIn2S4 reduced charge recombination, further enhancing photocatalytic activity for hydrogen evolution.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Andre L. de O. Batista, Joao Marcos T. Palheta, Mauricio J. Piotrowski, Celso R. C. Rego, Diego Guedes-Sobrinho, Alexandre C. Dias
Summary: This study presents a simulation protocol that provides a solid foundation for exploring two-dimensional materials. Using the TiBr2 2H monolayer as an example, the study reveals its promising properties for optoelectronic and valleytronic applications, including its stability, spin-orbit coupling effects, and optical helicity selection rule.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Jiang Jiang, Zi-Wei Li, Zhi-Zhuan Zhang, Bin Tan, Zhao-Feng Wu, Xiao-Ying Huang
Summary: In this work, two metal organic frameworks (MOFs) containing {Cu2I2} clusters, Eu-CuI-INA and Sr-K-CuI-INA, were synthesized and characterized. Both materials have a three-dimensional structure with {Cu2I2} clusters coordinated by INA(-) ligands and Eu3+ or Sr2+ ions. The Sr-K-CuI-INA material exhibited sensitive fluorescence sensing behaviors towards cysteine and nitro-bearing molecules, showing potential applications in bio and explosive molecule sensing. This work provides a good reference for designing fluorescent MOF probes containing CuI molecules.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Zhiya Lin, Jiasheng Wu, Qianwen Ye, Yulong Chen, Hai Jia, Xiaohui Huang, Shaoming Ying
Summary: Na-ion batteries (NIBs) have attracted great interest as a potential technology for grid-scale energy storage due to the wide distribution, low cost, and environmental friendliness of sodium resources. However, their implementation is hindered by low rate capability and cycling stability caused by the large ionic size of Na+. In this study, a three-dimensional nanoarchitectured coral-like CoSe2@N-doped carbon (CL-CoSe2@NC) was synthesized, and it exhibited improved sodium storage properties with better electrode kinetics and a stable SEI film.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Ya-Qiong Zhang, Yu Zhang, Guoping Zeng, Rong-Zhen Liao, Man Li
Summary: The mechanism and selectivity of CO2 reduction under visible light were investigated using density functional calculations. The results showed that a tetradentate PNNP-type Iridium(III) complex exhibited high activity and selectivity in the reaction.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Sanyukta Ghosh, Shubhanth Jain, Soumya Ranjan Mishra, Gerda Rogl, Peter Rogl, Ernst Bauer, B. S. Murty, A. Govindaraj, Ramesh Chandra Mallik
Summary: In this study, reduced graphene oxide (rGO) was uniformly dispersed in the In0.5Co4Sb12 bulk material by ultrasonication, which effectively reduced the lattice thermal conductivity and improved the thermoelectric efficiency.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Mika Takeuchi, Yutaka Amao
Summary: This study developed an effective visible-light driven system for fumaric acid production using renewable resources such as biomass derivatives, providing an alternative to the current petroleum-based synthesis methods.
DALTON TRANSACTIONS
(2024)
Article
Chemistry, Inorganic & Nuclear
Juan Jian, Meiting Wang, Zhuo Wang, Jingwen Meng, Yuqin Yang, Limin Chang
Summary: Developing low-cost and self-supported bifunctional catalysts is crucial for highly efficient water splitting devices. In this study, nano-NiFe2O4 was directly grown onto iron foil surface and Sn4+ was introduced into the NiFe2O4. The resulting Sn-NiFe2O4/IF showed low overpotentials and high current densities during oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), making it a promising catalyst for large-scale hydrogen production.
DALTON TRANSACTIONS
(2024)
