Article
Chemistry, Physical
Sultan A. Al-horaibi, Abdel-Basit Al-Odayni, Abdulmajeed Alezzy, Mohammed ALSaeedy, Arwa Al-Adhreai, Waseem Sharf Saeed, Ahmed Hasan
Summary: The synthesis of SQI-5 and SQI-6 dyes with -SO3H and -COOH functional groups provides a promising avenue to enhance the efficiency of dye-sensitized solar cells (DSSCs) in the near-infrared (NIR) region. These newly developed dyes exhibit exceptional solubility in various organic solvents. The SQI-6 dye, featuring -COOH anchoring group, demonstrates the best photovoltaic performance among the investigated sensitizers.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Chemistry, Physical
Dimple Dimple, Sebastien Lebegue, Mariachiara Pastore
Summary: The study theoretically characterizes the adsorption mechanism of different anchoring groups on the CuCrO2 surface, showing distinct stable modes for each group. On the stoichiometric surface, mono-dentate binding is preferred, while bidentate binding becomes the preferred mode when Cu+ vacancies are considered.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Ambarish Kumar Singh, Jayaraj Nithyanandhan
Summary: The study explored a series of amphiphilic indoline-based unsymmetrical squaraine dyes, where alkyl groups and glycolic chain were systematically modified to control self-assembly and improve interfacial properties. In nonaqueous DSSCs, increasing the number of carbon atoms in alkyl groups enhanced photovoltaic efficiencies. Addition of chenodeoxycholic acid improved efficiency, while increased carbon atoms in the alkyl groups had a detrimental effect on aqueous DSSC efficiency.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Hend M. Abdel-Wahed, Ahmed A. Fadda, Ehab Abdel-Latif, Soha M. Abdelmageed, Mohamed R. Elmorsy
Summary: In this study, a series of novel porphyrin derivatives, 8, 12, and 16, were synthesized in high yields. These derivatives have different aromatic substituents at the peripheral position. The structures of the compounds were confirmed by elemental and spectral analyses. Based on density functional theory (DFT) calculations, the porphyrins 8, 12, and 16 show suitable thermodynamics properties to be used as sensitizers in dye-sensitized solar cells (DSSCs). Analysis of the DSSC's performance using DFT reactivity indices shows that a more efficient DSSC can be built by correlating cell efficiency with molecular properties.
JOURNAL OF MOLECULAR STRUCTURE
(2023)
Article
Multidisciplinary Sciences
Aleksandra Bartkowiak, Oleksandr Korolevych, Blazej Gierczyk, Daniel Pelczarski, Alberto Bossi, Maciej Klein, Lukasz Popenda, Waldemar Stampor, Malgorzata Makowska-Janusik, Maciej Zalas
Summary: The low photon-to-current conversion efficiency is a major limitation of dye-sensitized solar cells. In this study, two new bi-ruthenium sensitizers with extended anchoring ligands were synthesized to investigate the underlying processes determining photovoltaic action mechanisms. Experimental characterization and quantum-chemical calculations were performed to gain insight into the properties of the synthesized molecules. The study highlights the significance of the anchoring group architecture in the molecular design of sensitizers for dye-sensitized solar cell applications.
SCIENTIFIC REPORTS
(2023)
Article
Chemistry, Physical
Amrita Singh, Ambarish Kumar Singh, Ruchi Dixit, Kumar Vanka, Kothandam Krishnamoorthy, Jayaraj Nithyanandhan
Summary: A series of alkyl-group-functionalized, aniline- and indoline-donor-based, unsymmetrical visible-light-active squaraine dyes, AM1-3, were synthesized. DSSC devices sensitized with the AM1 and AM2 dyes showed high-power conversion efficiency of 7.44% and 7.22%, respectively with I-/I-3(-) electrolytes. The AM1 dye exhibited the highest DSSC efficiency of 8.05% and V-OC of 1030 mV when using [Cu(tmby)(2)](+/2+) electrolyte.
Article
Chemistry, Multidisciplinary
Jialing Hu, Bingjie Zhao, Rongrong Wen, Xuebo Zhang, Yunxiang Zhang, Daniel S. S. Kohane, Qian Liu
Summary: Researchers have developed a new design strategy using a squaraine-based dye to enhance the light absorption ability and stability of upconversion nanoparticles. The dye, SQ-739, has a maximum absorption at 739 nm and shows improved chemical- and photostability compared to the commonly used cyanine-based dye IR-806. The study provides a new approach for developing highly stable and efficient NIR upconversion probes.
Article
Materials Science, Multidisciplinary
Nurdan Akdogan, Meryem Alp, Abdullah Atilgan, Ali Disli, Yusuf Erdogdu, Abdullah Yildiz
Summary: In this study, a novel AZO dye with nitrile group as acceptor, -N--N- as π-conjugation spacers, and dimethylaniline as donor was synthesized and its performance in DSSCs was investigated for the first time. Density Functional Theory and Time Dependent Density Functional Theory were used to analyze the electronic and photovoltaic properties of the dye, providing a better understanding of the application of AZO-based dyes in DSSCs.
Article
Chemistry, Physical
Catalin-Paul Constantin, Mariana-Dana Damaceanu, Mihai Mihaila, Mihaela Kusko
Summary: The attachment of cyanoacrylic acid acceptor groups to the donor core leads to a negative shift in the molecular orbitals of the dye, affecting electron diffusion and electron interception by the electrolyte, resulting in a decrease in the open-circuit voltage of dye-sensitized solar cells.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Sliman Ennehary, Hamid Toufik, Si Mohamed Bouzzine, Malak Lazrak, Fatima Lamchouri
Summary: In this study, the effect of different donor groups on organic compounds was investigated using Density-Functional Theory and Time-Dependent Becke-Half and Half-Lee-Yang-Parr's methods. The results revealed the impact of donor variation on geometrical and optoelectronic properties, as well as charge transfer and chemical reactivity parameters. Among the donor groups, triphenylamine and diethylaniline showed the lowest Egap energies and highest absorption wavelengths, indicating improved charge transfer performance and chemical reactivity indices.
RESEARCH ON CHEMICAL INTERMEDIATES
(2023)
Article
Energy & Fuels
Tansir Ahamad, Ali Aldalbahi, Saad M. Alshehri, Salem Alotaibi, Shaykha Alzahly, Zhen-Bo Wang, Peter X. Feng
Summary: Hierarchical bismuth ferrite (BFO) and Ag2O-doped bismuth ferrite (Ag2O/BFO) nanostructures were successfully fabricated in this study and applied in the photoanode of dye-sensitized solar cells (DSSCs) with improved energy conversion efficiency. Doping BFO with silver oxide nanoparticles can enhance electron transportation and reduce photogenerated charge recombination, making it a potential candidate for working electrode materials in DSSCs.
Article
Energy & Fuels
Ahad Hussain Javed, Nadia Shahzad, Muhammad Abdullah Khan, Muniba Ayub, Naseem Iqbal, Muhammad Hassan, Naveed Hussain, Muhammad Imran Rameel, Muhammad Imran Shahzad
Summary: The study presents the facile synthesis of ZnO nanostructures with different morphologies for use in DSSC devices. ZnO nanorice demonstrated superior performance under 1 sun conditions, attributed to its large surface area, better conductivity, and enhanced dye adsorption compared to other synthesized ZnO nanostructures.
Article
Chemistry, Multidisciplinary
Suruthi Priya Nagalingam, Andrews Nirmala Grace
Summary: This study focuses on the fabrication of a poly(3,4-ethylene dioxythiophene) decorated MXene composite electrode and tests its performance as a counter electrode in dye-sensitized solar cells. The results show that the composite electrode exhibits good electrocatalytic activity and charge transfer kinetics in the iodide/triiodide electrolyte, surpassing the performance of traditional counter electrodes. The 15-day stability investigation demonstrates that the composite electrode has good corrosion resistance. Therefore, the composite electrode shows potential as a substitute for platinum.
MATERIALS TODAY CHEMISTRY
(2022)
Article
Energy & Fuels
Rajkumar Senthamarai, Venkatraman Madurai Ramakrishnan, Balraju Palanisamy, Suguna Kulandhaivel
Summary: Clean and green energy is a global priority, and in this study, TiO(2) nanostructures were prepared using fruit extracts as reducing agents. The structural and optical properties of the synthesized TiO(2) nanostructures were characterized, and their performance in dye-sensitized solar cells was studied using two different dyes.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Chemistry, Applied
Turgut Keles, Zekeriya Biyiklioglu, Emre Guzel, Mehmet Nebioglu, Ilkay Sisman
Summary: In this study, zinc(II) phthalocyanines with different substituents were synthesized as sensitizers for DSSCs, with complex 3 showing better photovoltaic performance due to its peripheral tetra-substituent unit.
APPLIED ORGANOMETALLIC CHEMISTRY
(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)