Article
Materials Science, Multidisciplinary
Ariane Aparecida de Lima, Gidea Taques Tractz, Andreia Gerniski Macedo, Fabiano Thomazi, Paulo Rogerio Pinto Rodrigues, Cesar Augusto Dartora
Summary: This study found that incorporating niobium pentoxide in the counter electrode of dye-sensitized solar cells can significantly improve its performance. Compared to using only poly(3,4-ethylenedioxythiophene) polystyrene sulfonate, the addition of niobium pentoxide reduces charge transfer resistance and increases photo-electrochemical parameters, resulting in improved collection efficiency of the cell.
Article
Materials Science, Multidisciplinary
Fan Yang, Yurui Gao, Pengcheng Zhao, Yuan He, Yuqiao Wang
Summary: In this study, 1D ZnO@C@MoS(2) nanoarrays on conducting glass were fabricated as an effective counter electrode for dye-sensitized solar cells. The power conversion efficiency reached 3.61% due to enhanced electron transfer and electrocatalytic activity.
Article
Chemistry, Multidisciplinary
Jacqueline M. Cole, Ulrich F. J. Mayer
Summary: This feature article discusses the fundamental use of materials-characterization methods in determining the structural information of the dye-TiO2 interface in dye-sensitized solar cells (DSCs). It introduces various techniques for obtaining specific structural information on the interface, such as dye anchoring, dye aggregation, and molecular dye orientation. The article emphasizes the importance of acquiring such information for DSC design guidelines and the validation process of design-to-device pipelines.
Review
Chemistry, Multidisciplinary
Marwa Mostafa Moharam, Ayat Nasr El Shazly, Kabali Vijai Anand, Diaa EL-Rahman Ahmed Rayan, Mustafa K. A. Mohammed, Mohamed Mohamed Rashad, Ahmed Esmail Shalan
Summary: Dye-sensitized solar cells (DSSCs) have attracted significant attention as proficient photovoltaic devices in recent years. Improvements in configuration structure and understanding of elementary principles are essential for achieving advanced solar-to-electricity efficiency and long-term functioning stability. Different semiconductor constituents are applied for effective DSSCs, with high surface area and large pore size being crucial for fabrication of DSSC electrodes in nano-porous semiconductor structures.
TOPICS IN CURRENT CHEMISTRY
(2021)
Article
Chemistry, Physical
Mahmoud Hezam, Mohammed Qasi Alsubaie, Ahmad Algarni, Hamid Ghaithan, Joselito Labis, Mohammad Alduraibi
Summary: This study demonstrates the tuning of ZnO nanosheet-nanowire morphology by adjusting the NaOH concentration in a low-temperature chemical bath, resulting in a variety of nano/microstructures with different sizes and aspect ratios. Photoluminescence spectra were mainly influenced by violet emission from Zn interstitial related defects formed during growth. In dye-sensitized solar cells, ZnO nanosheets with a thickness of 30-40 nm exhibited superior performance in terms of J-V characteristics and transport dynamics.
CHEMICAL PHYSICS LETTERS
(2021)
Article
Chemistry, Physical
Dong-Jin Yun, Hyemin Ra, Jung-Min Kim, Seongho Jeon, Sung Hoon Park, Minsu Seol, Seunghyup Lee
Summary: ZnO nanorod arrays offer high surface area, but face challenges in charge collecting efficiency. This study synthesizes patterned ZnO nanorod arrays using a hydrothermal method and deposits an Ru metal layer using radio frequency sputtering, revealing the combination of Ru metal and ZnO nanorod arrays as a lower cost alternative with great potential.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Ha Lim Cha, Seungyoon Seok, Hyun Jo Kim, Suresh Thogiti, Burragoni Sravanthi Goud, Gyuho Shin, Lee Ji Eun, Ganesh Koyyada, Jae Hong Kim
Summary: A new DSSC strategy using multiple dyes for full spectrum absorption was developed, with CO-DACE devices showing the highest efficiency compared to traditional DSSCs. This is attributed to enhanced IPCE and J(sc), highlighting the advantage of DACE electrode in maximizing incident light utilization.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2021)
Article
Energy & Fuels
Aycan Atli, Abdullah Yildiz
Summary: An opaque platinum film as a counter electrode in dye-sensitized solar cells demonstrates enhanced reflectivity, smaller resistance, and excellent adhesion properties. As a result, the DSSC with the opaque platinum film achieves a higher electrical power conversion efficiency compared to the transparent platinum film under the same conditions.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Review
Chemistry, Multidisciplinary
Sikandar Aftab, Muhammad Zahir Iqbal, Sajjad Hussain, Fahmid Kabir, Hosameldin Helmy Hegazy, Burragoni Sravanthi Goud, Muhammad Aslam, Fan Xu
Summary: This review article provides an overview of MXene-modified electrodes in dye-sensitized solar cells (DSSCs). MXenes, a type of two-dimensional transition metal carbides or nitrides, have remarkable properties that enhance the performance of DSSC electrodes. The article analyzes the use of MXenes integrated with other materials for electrode modification in photovoltaics, and discusses the impact of different deposition techniques on performance. MXene-modified electrodes have the potential to improve the performance and efficiency of DSSCs, making them a promising material for renewable energy applications.
Article
Polymer Science
Huda Abdullah, Savisha Mahalingam, Nur Aisyah Abu Bakar, Abreeza Manap, Mohd Hafiz Dzarfan Othman, Md Akhtaruzzaman
Summary: The addition of Fe2O3 can improve the efficiency of DSSC, however, an excessive amount can impede electron transport. The optimal concentration is found to be 0.2% for efficient performance.
Review
Nanoscience & Nanotechnology
Xianyun Gong, Niyamat I. Beedri, Manal F. Abou Taleb, Mohamed M. Ibrahim, Suhail A. A. R. Sayyed, Habib M. Pathan, Hua Hou, Hassan Algadi, Sunita Salunke-Gawali, Yong Ma
Summary: This review discusses the application of Nb2O5 in the fabrication of DSSCs, highlighting its advantages over TiO2 and ZnO. Detailed examples are provided, and the challenges and potential approaches are also discussed.
ADVANCED COMPOSITES AND HYBRID MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
S. Vibavakumar, K. D. Nisha, V. S. Manikandan, J. Archana, M. Navaneethan, S. Harish
Summary: This work aims to improve the photovoltaic parameters in DSSCs by introducing a bilayer photoanode composed of Nb2O5 and TiO2. The microstructural, crystalline, and morphological properties of the Nb2O5/TiO2 bilayer were analyzed. The charge transfer processes and electron behavior in the bilayer photoanode were investigated, showing significantly lower charge transfer resistance and improved electron lifetime.
Article
Chemistry, Physical
Prerna Mahajan, Ram Datt, Vinay Gupta, Sandeep Arya
Summary: The study investigates the application of ZnO@WO3 core/shell nanoparticles as counter electrodes in dye-sensitized solar cells. The results show that sample B, annealed at 100 degrees C, exhibits better absorption and higher electrocatalytic activity, achieving a higher power conversion efficiency in the dye-sensitized solar cell.
SURFACES AND INTERFACES
(2022)
Article
Chemistry, Inorganic & Nuclear
E. Selva Esakki, P. Vivek, S. Meenakshi Sundar
Summary: In this study, Cd-doped ZnO nanoparticles were synthesized by solvothermal irradiation method for fabricating ZnO-based dye-sensitized solar cells using ethanol as solvent. The prepared nanoparticles were characterized by various techniques. The results showed that Cd doping enhanced the light harvesting efficiency of the DSSC, confirming the value of Cd-doped ZnO nanoparticles as a material for solar cell applications.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Rusiri Rathnasekara, Parameswar Hari
Summary: Silver-doped ZnO nanoparticles were synthesized using the microwave method, and their structural, optical, and electrochemical properties were characterized. Different preparation methods of platinum metal counter electrodes were compared for their performance. The counter electrode prepared by the electrochemical method showed the best current-voltage performance in the DSSCs.
Article
Physics, Applied
Manabu Hagiwara, Shinobu Fujihara
JAPANESE JOURNAL OF APPLIED PHYSICS
(2017)
Article
Chemistry, Physical
Hitomi Ohashi, Manabu Hagiwara, Shinobu Fujihara
JOURNAL OF POWER SOURCES
(2017)
Article
Materials Science, Ceramics
Takashi Yagami, Manabu Hagiwara, Shinobu Fujihara
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2017)
Article
Materials Science, Multidisciplinary
Kazuhiro Matsumoto, Manabu Hagiwara, Shinobu Fujihara
Article
Electrochemistry
Ellie Tanaka, Leanddas Nurdiwijayanto, Manabu Hagiwara, Shinobu Fujihara
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
(2018)
Article
Materials Science, Ceramics
Rina Shimonishi, Manabu Hagiwara, Shinobu Fujihara
CERAMICS INTERNATIONAL
(2019)
Article
Chemistry, Physical
Takashi Umehara, Manabu Hagiwara, Shinobu Fujihara
JOURNAL OF ALLOYS AND COMPOUNDS
(2019)
Article
Materials Science, Multidisciplinary
Mizuki Saito, Manabu Hagiwara, Shinobu Fujihara
MATERIALS CHEMISTRY AND PHYSICS
(2019)
Article
Multidisciplinary Sciences
Shuhei Takasu, Manabu Hagiwara, Shinobu Fujihara
SN APPLIED SCIENCES
(2019)
Article
Materials Science, Ceramics
Shunsuke Narushima, Rina Shimonishi, Manabu Hagiwara, Shinobu Fujihara
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
(2018)
Article
Materials Science, Ceramics
Manabu Hagiwara, Makoto Ito, Shinobu Fujihara
JOURNAL OF ASIAN CERAMIC SOCIETIES
(2017)
Article
Materials Science, Ceramics
Tohru Narabe, Manabu Hagiwara, Shinobu Fujihara
JOURNAL OF ASIAN CERAMIC SOCIETIES
(2017)
Article
Materials Science, Multidisciplinary
Manabu Hagiwara, Yoshitaka Ehara, Nikola Novak, Neamul H. Khansur, Azatuhi Ayrikyan, Kyle G. Webber, Shinobu Fujihara
Article
Chemistry, Multidisciplinary
Taikei Enomoto, Shintaro Ueno, Eiji Hosono, Manabu Hagiwara, Shinobu Fujihara
Article
Materials Science, Ceramics
Makoto Ito, Manabu Hagiwara, Shinobu Fujihara
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
(2017)
Article
Electrochemistry
Abdul Qayoom Mugheri, Shaista Khan, Ali Asghar Sangah, Aijaz Ahmed Bhutto, Muhammad Younis Laghari, Nadeem Ahmed Mugheri, Asif Ali Jamali, Arsalan Ahmed Mugheri, Nagji Sodho, Abdul Waheed Mastoi, Aftab Kandhro
Summary: Green hydrogen has the potential to transition to a pollution-free energy infrastructure. This study proposes a solution to produce hydrogen during the photoelectrochemical process, offering greater stability and control over chemical reactions. Techno-economic assessments show the efficiency and economic feasibility of co-producing value-added chemicals to enhance green hydrogen production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Danpeng Cheng, Wuxin Sha, Qigao Han, Shun Tang, Jun Zhong, Jinqiao Du, Jie Tian, Yuan-Cheng Cao
Summary: LiNixCoyMn1-x-yO2 (NCM) is a critical cathode material for lithium-ion batteries in electric vehicles. The aging of cathode/electrolyte interfaces leads to capacity degradation and long-term cycle instability. A novel neural network model called ACGNet is developed to predict electrochemical stability windows of crystals, allowing for high-throughput screening of coating materials. LiPO3 is identified as a promising coating material with high oxidation voltage and low cost, which significantly improves the cycle stability of NCM batteries. This study demonstrates the accuracy and potential of machine learning in battery materials.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
P. Mohana, R. Yuvakkumar, G. Ravi, S. Arunmetha
Summary: This study successfully fabricates a non-noble CuO/NiO/rGO nanocomposite and investigates its electrocatalytic performance for oxygen evolution reaction in alkaline environment. The experimental results demonstrate that the electrocatalyst exhibits high activity and good stability, offering a new synthetic approach for sustainable energy production.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Qiong Qu, Jing Guo, Hongyu Wang, Kai Zhang, Jingde Li
Summary: In this study, a bifunctional electrode host design consisting of carbon nanofibers implanted ordered porous Co-decorated Al2O3 supported on carbon nanotube film (CNTF) was proposed to address the shuttling effect of lithium polysulfides (LiPSs) and dendrite formation of metal lithium anode in lithium-sulfur (Li-S) batteries. The electrode exhibited excellent conductivity, efficient confinement of LiPSs, and catalytic conversion performance, resulting in high initial capacity and good capacity retention during cycling. As an anode, the electrode showed excellent Li+ diffusion performance and uniform lithium growth behavior, achieving a dendrite-free lithium electrode. The flexible pack cell assembled from these electrodes delivered a specific capacity of 972 mAh g(-1) with good capacity retention.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Hong Zhang, Jin-Peng Yu, Chen Chen, Cheng-Yong Shu, Guang-Yu Xu, Jie Ren, Kai Cui, Wen-Fang Cai, Yun-Hai Wang, Kun Guo
Summary: Spray coating of acetylene black nanoparticles onto stainless steel mesh can enhance its biofilm formation ability and current density, making it a promising electrode material for microbial electrochemical systems. The spray coating method is simple, cost-effective, and suitable for large-size stainless steel electrodes.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Binpeng Hou, Jingjin Chen, Li-Hong Zhang, Xiaowen Shi, Zizhong Zhu
Summary: The electrochemical performance of Li1.20Mn0.44Ni0.32Co0.04O2 and its oxygen-deficient phase Li1.20Mn0.44Ni0.32Co0.04O1.83 was studied through first-principles calculations. The results show that the oxygen-deficient phase has a higher theoretical capacity but lower voltage platform and higher chemical activity compared to the pristine phase.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Yating Du, Sayoko Shironita, Daisuke Asakura, Eiji Hosono, Yoshitsugu Sone, Yugo Miseki, Eiichi Kobayashi, Minoru Umeda
Summary: This study investigates the effect of high- and low-temperature environments on the charge-discharge performance of a Li-ion battery. The deterioration mechanisms of the battery at different temperatures are analyzed through various characterization techniques. The results indicate that the battery performance deteriorates more significantly at a low-temperature environment of 5 degrees C compared to higher temperatures. The understanding of the deterioration mechanisms can contribute to the development of safer battery usage methods.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Si-Si Shi, Zhi-Xiang Yuan, Fei Zhang, Ping Chen
Summary: In this study, a new nano-electrocatalyst was prepared, which exhibited superior electrocatalytic activity for the reduction of NO2- to ammonia in a neutral electrolyte, potentially due to the synergistic enhancement between Co3O4-x and Co.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Berna Dalkiran, Havva Bekirog
Summary: This study reports the use of deep eutectic solvents (DES) based on ethylene glycol and urea as low-cost and green electrolytes for enhancing electrochemical detection of natural antioxidants. The study successfully developed a disposable and effective electrochemical sensing platform for simultaneous determination of ascorbic acid (AA) and gallic acid (GA) using NaOH nanorods on a pencil graphite electrode. The proposed electrode showed improved analytical performance, with higher peak currents and shifted oxidation potentials in DES compared to BR buffer medium.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Sijun Ren, Jianguo Huang
Summary: In this study, a novel bio-inspired nanofibrous WO3/carbon composite was synthesized using a facile hydrothermal method. The three-dimensional network structure of the composite alleviated the volume expansion of WO3 nanorods and enhanced the charge-transport kinetics. The optimized composite exhibited superior lithium storage properties.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Zhilong Zheng, Yu Chen, Hongxia Yin, Hengbo Xiao, Xiangji Zhou, Zhiwen Li, Ximin Li, Jin Chen, Songliu Yuan, Junjie Guo, Haibin Yu, Zhen Zhang, Lihua Qian
Summary: This study found that interstitial Zn cations in CoMoO4 can modulate the dissolution kinetics of Mo cations and improve the OER performance. The interstitial Zn cations can prevent the dissolution of Co cations at high potential, enhancing the durability of the catalyst.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Xiaobo Lin, Shern R. Tee, Debra J. Searles, Peter T. Cummings
Summary: Molecular dynamics simulations using the constant potential method were used to investigate the charging dynamics and charge storage of supercapacitors. The simulations revealed that the water-in-salt electrolyte exhibited the highest charge storage and significantly higher capacitance on the negative electrode. The varying contributions of different electrode regions to supercapacitor performance were also demonstrated.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Wiktoria Lipinska, Vita Saska, Katarzyna Siuzdak, Jakub Karczewski, Karol Zaleski, Emerson Coy, Anne de Poulpiquet, Ievgen Mazurenko, Elisabeth Lojou
Summary: The spatial distribution of enzymes on electrodes is important for bioelectrocatalysis. In this study, controlled spatial distribution of gold nanoparticles on Ti nanodimples was achieved. The efficiency of enzymatic O2 reduction was found to be influenced by the size of the gold nanoparticles and their colocalization with TiO2. The highest stability of enzymatic current was observed with the largest gold nanoparticles.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Tariq M. Al-Hejri, Zeenat A. Shaikh, Ahmed H. Al-Naggar, Siddheshwar D. Raut, Tabassum Siddiqui, Hamdan M. Danamah, Vijaykumar V. Jadhav, Abdullah M. Al-Enizi, Rajaram S. Mane
Summary: This study explores a promising self-growth approach for the synthesis of nickel hydroxide (Ni(OH)2) nanosponge-balls on the surface of a nickel-foam (NiF) electrode. The modified NiF electrode, named Ni(OH)2@NiF, shows distinctive nanosponge-ball morphology and demonstrates excellent energy storage capability and electrocatalytic performance in both hydrogen and oxygen evolution reactions.
ELECTROCHIMICA ACTA
(2024)
Article
Electrochemistry
Rafael Del Olmo, Gregorio Guzman-Gonzalez, Oihane Sanz, Maria Forsyth, Nerea Casado
Summary: The use of Lithium-Ion Batteries (LIBs) is becoming increasingly extensive, and it is important to optimize the devices to achieve their maximum practical specific capacity. In this study, mixed ionic-electronic conducting (MIEC) binders based on PEDOT:PSS and PEDOT: PDADMA-TFSI were developed for Li-ion cathodes, and their performance was compared with conventional formulations. The influence of electrode formulations, including the addition of conducting carbon and an Organic Ionic Plastic Cristal (OIPC), was also analyzed. The proposed binders showed improved performance compared to conventional formulations with different electrolyte types and active materials.
ELECTROCHIMICA ACTA
(2024)