Article
Energy & Fuels
Abdullah Atilgan, Abdullah Yildiz
Summary: The development of novel bilayer photoanodes is crucial for efficient dye-sensitized solar cells. In this study, a homojunction photoanode consisting of undoped and Ni-doped TiO2 layers was prepared. By tuning the location of the doped layer, the photoconversion efficiency was greatly improved. The bilayer structure enhanced light absorption, resulting in increased short circuit current and open-circuit voltage.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Energy & Fuels
Mahesh Dhonde, Kirti Sahu, V. V. S. Murty
Summary: Cu-doped TiO2/graphene (CuTGR) composites were prepared for the first time in this study and applied to DSSC anodes. Surface morphological and elemental analysis showed uniform distribution of Cu and graphene in the composite with desired morphology. Addition of graphene improved dye loading ability and charge transport, leading to increased power conversion efficiency in DSSC.
Article
Materials Science, Multidisciplinary
Fengjuan Miao, Fuchen Chu, Bingcheng Sun, Bairui Tao, Peng Zhang, Yu Zang, Paul K. Chu
Summary: This study presents the design and fabrication of a photoanode composed of Au/SnS/TiO2 sensitized with natural dye for dye-sensitized solar cells (DSSCs). By calcination, a layer of spherical nano-TiO2 is prepared, and a layer of nano-SnS is deposited on the TiO2 photoanode using the continuous ion layer adsorption reaction (SILAR). The sensitized Au nanoparticles exhibit enhanced localized surface plasmon resonance (LSPR) effects and electron trapping ability, resulting in improved electron mobility and reduced electron recombination in the DSSC.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Engineering, Electrical & Electronic
Tharmakularasa Rajaramanan, G. R. A. Kumara, Dhayalan Velauthapillai, Punniamoorthy Ravirajan, Meena Senthilnanthanan
Summary: This study focuses on synthesising and characterising Ni/N co-doped P25-TiO2 nanostructure electrodes for photovoltaic application. Enhanced light absorption and improved surface roughness of Ni/N co-doped TiO2 electrode contribute to the higher performance of the fabricated DSSCs. The increase in short circuit current density (JSC) is mainly responsible for the improved power conversion efficiency (PCE) of the co-doped device.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2021)
Article
Chemistry, Multidisciplinary
Hailong Rui, Junyu Shen, Ze Yu, Lihua Li, Hongxian Han, Licheng Sun
Summary: Copper redox mediators have been gaining interest in dye-sensitized solar cells, with recent research showing that copper complexes with pentadentate ligands demonstrate excellent performance and stability in DSCs compared to traditional bipyridyl counterparts.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Engineering, Electrical & Electronic
Tharmakularasa Rajaramanan, Dhayalan Velauthapillai, Punniamoorthy Ravirajan, Meena Senthilnanthanan
Summary: This study presents a simple impregnation method to synthesize Ni-doped TiO2 nanomaterials using P25-TiO2 as a starting material. The as prepared nanomaterials were characterized structurally and optically, and then applied in photovoltaic studies. The results showed that Ni doping did not alter the anatase and rutile contents of P25-TiO2, as confirmed by XRD and Raman studies. The presence of dopants and their ionic states was confirmed by EDX and XPS spectroscopies. AFM images revealed that Ni doping increased the surface roughness of TiO2. UV-Visible spectroscopy indicated that Ni doping caused red shift in light absorption and improved dye adsorption on TiO2 films. Photovoltaic studies showed that the optimized 0.10 wt% Ni-doped TiO2 photoanode exhibited a high power conversion efficiency of 6.29% under AM 1.5 conditions. The electrochemical impedance spectroscopic study also revealed improved charge transport properties for the device with optimized Ni-doped TiO2.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Materials Science, Multidisciplinary
Bandana Ranamagar, Isaac Abiye, Fasil Abebe
Summary: The Rhodamine-6G derivative Rhd and its metal complexes with aluminum and chromium ions were synthesized and characterized using UV-vis and fluorescence spectroscopy. Dye-sensitized solar cells (DSSCs) were fabricated with Rhd and the metal complexes, and their solar-to-electric power efficiencies were determined through current-density measurements and Electrochemical Impedance Spectroscopy (EIS). The Rhd and Cr3+-sensitized solar cell showed the highest solar to electric power efficiency at 0.16%.
Article
Chemistry, Physical
Jae-hun Bae, Hwang-Ju Jeon, Sung-Ho Cho, Yong-beom Cho, Sung-Eun Lee, Tae-Oh Kim
Summary: In this study, a dye-sensitized solar cell (DSSC) doped with Cu, Co was fabricated by simultaneously sonicating TiO2 and a trace amount of a transition metal precursor. The cavitation bubbles occurred during sonication resulted in defects on the surface of the TiO2 particles. The maximum energy-conversion efficiency of the DSSCs fabricated by TiO2 which doped with Cu and Co by ultrasonic treatment was 4.16%, and that of the DSSCs fabricated with TiO2 not doped with a transition metal was measured at 2.93%. Doping TiO2 with a transition metal using ultrasonic treatment contributed to the improvement of the performance of the TiO2 photoelectrode.
APPLIED SURFACE SCIENCE
(2023)
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, Inorganic & Nuclear
Nimisha Jain, Angelina Mary, Pooja Munish Dalal, Rahul Sakla, D. Amilan Jose, Mukesh Jain, Abbas Raja Naziruddin
Summary: This report describes ruthenium (II) complexes with novel ligands that exhibit tunable photo-functional properties. By introducing different ligands, the absorption wavelength range of the complexes can be extended, and the electron transfer efficiency can be improved. The presence of phenyl spacers results in a red-shift in the absorption wavelength, but the absence of phenyl spacers leads to better charge transfer and higher photon conversion efficiency.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2022)
Article
Materials Science, Multidisciplinary
Fengjuan Miao, Bingcheng Sun, Bairui Tao, Yanchun Wang, Paul K. Chu
Summary: This paper demonstrates the application of a novel ternary nanocomposite MoS2/Ag/TiO2 photoanode in high efficiency plasma dye sensitive solar cell. The ternary nanocomposite MoS2/Ag/TiO2 was successfully synthesized without any hazardous substances. The addition of MoS2 improves the light absorption ability and electron transfer rate of the photoanode, leading to a significant enhancement in the photoelectric conversion efficiency of the dye sensitive solar cell.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Chemistry, Physical
Shanmuganathan Venkatesan, Yun-Yu Chen, Hsisheng Teng, Yuh-Lang Lee
Summary: This study demonstrates a quick dye adsorption process using electrochemical methods, reducing the fabrication time of dye-sensitized solar cells. The electrodes prepared using constant potential methods show high performance in DSSCs with high efficiencies and low dark current densities.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Applied
Angelina Mary, Nimisha Jain, Rahul Sakla, D. Amilan Jose, Bhagwan Sahai Yadav, Abbas Raja Naziruddin
Summary: This article presents the syntheses of ruthenium (II) complexes with an N-heterocyclic carbene (NHC)-based C and N donor set and an -NCS ligand, and evaluates their use as photosensitizers in dye-sensitized solar cells (DSSCs). Results show that the complexes without a phenyl spacer between the acid anchor and the tpy effectively absorb visible light and have higher photon conversion efficiency (PCE) in DSSCs.
APPLIED ORGANOMETALLIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Hugo G. Lemos, Rodrigo M. Ronchi, Guilherme R. Portugal, Jessica H. H. Rossato, Gurpreet S. Selopal, David Barba, Everaldo C. Venancio, Federico Rosei, Jeverson T. Arantes, Sydney F. Santos
Summary: Dye-sensitized solar cells (DSSCs) are a promising technology for clean energy conversion. This study focuses on enhancing the efficiency of DSSCs by optimizing charge transport and non-radiative carrier recombination. The introduction of Ti3C2Tx MXene into the photoanode improves electron transport and increases the energy-to-current conversion of DSSCs.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Wen-Feng Lai, Pei-Ling Chao, Xin-Yu Lin, Yin-Pei Chen, Jih-Hsin Liu, Tz-Feng Lin, Wei-Chou Hsu, Chia-Yi Huang
Summary: In this study, a one-dimensional protrusive TiO2 strip array was fabricated using chemical and physical methods. A porous semiconductor layer was coated on the strip array. The results showed that the DSSC with the TiO2 strip array had a higher energy conversion efficiency, which can be attributed to the large surface area of the protrusive structure and its specific electron transport paths.
Article
Materials Science, Multidisciplinary
Jingkun Lu, Xin Zhang, Pengtao Ma, Vikram Singh, Chao Zhang, Jingyang Niu, Jingping Wang
JOURNAL OF MATERIALS SCIENCE
(2018)
Article
Chemistry, Inorganic & Nuclear
Jingkun Lu, Xinyi Ma, Vikram Singh, Yujiao Zhang, Pengtao Ma, Chao Zhang, Jingyang Niu, Jingping Wang
DALTON TRANSACTIONS
(2018)
Article
Chemistry, Inorganic & Nuclear
Panpan Zhang, Vikram Singh, Jiage Jia, Dongdi Zhang, Pengtao Ma, Jingping Wang, Jingyang Niu
DALTON TRANSACTIONS
(2018)
Article
Chemistry, Inorganic & Nuclear
Jingkun Lu, Yaping Wang, Xinyi Ma, Yanjun Niu, Vikram Singh, Pengtao Ma, Chao Zhang, Jingyang Niu, Jingping Wang
DALTON TRANSACTIONS
(2018)
Article
Chemistry, Physical
Mengrui Zhang, Vikram Singh, Xuefu Hu, Xinyi Ma, Jingkun Lu, Chao Zhang, Jingping Wang, Jingyang Niu
Article
Chemistry, Inorganic & Nuclear
Zhijie Liang, Hechen Wu, Vikram Singh, Yuanyuan Qiao, Miaomiao Li, Pengtao Ma, Jingyang Niu, Jingping Wang
INORGANIC CHEMISTRY
(2019)
Article
Chemistry, Multidisciplinary
Rong Wan, Peipei He, Zhen Liu, Xinyi Ma, Pengtao Ma, Vikram Singh, Chao Zhang, Jingyang Niu, Jingping Wang
CHEMISTRY-A EUROPEAN JOURNAL
(2020)
Article
Chemistry, Inorganic & Nuclear
Vikram Singh, Shuang Liu, Pengtao Ma, Michael G. B. Drew, Jingping Wang, Jingyang Niu
INORGANIC CHEMISTRY
(2020)
Article
Spectroscopy
Hechen Wu, Minna Zhi, Hanhan Chen, Vikram Singh, Pengtao Ma, Jingping Wang, Jingyang Niu
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2019)
Review
Microbiology
Hariom Verma, Dharmendra Kumar, Vinod Kumar, Madhuree Kumari, Sandeep Kumar Singh, Vijay Kumar Sharma, Samir Droby, Gustavo Santoyo, James F. White, Ajay Kumar
Summary: Endophytic microorganisms inside host plants play a crucial role in maintaining host health, providing nutrients, and enhancing stress tolerance, especially in combating abiotic stresses. The defense mechanisms of plants under stress conditions can be alleviated by endophytes through the production of antioxidants.
Article
Chemistry, Inorganic & Nuclear
V. Kumar, S. Singh
Summary: The newly synthesized copper(I) heteroleptic pyridyl functionalized dithiocarbamate complex exhibits weak conductivity and semiconductor behavior, with a complex supramolecular structure. The emission spectrum of the complex was studied in DCM solution, showing that the charge-transfer excited state is quenched due to intramolecular energy transfer.
JOURNAL OF STRUCTURAL CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Vinod Kumar, Suryabhan Singh
Summary: Two homoleptic pyridyl-3(N) functionalized dithiocarbamate complexes, one with a binuclear structure and the other with a polymeric structure, were synthesized and characterized. Different supramolecular structures were observed in the lattice due to weak interactions between the complexes and solvent molecules. A rare S···Cl chalcogen bonding interaction was found in one of the complexes, making it a unique example of such interactions in homoleptic metal dithiocarbamate complexes.
JOURNAL OF SULFUR CHEMISTRY
(2022)
Article
Chemistry, Inorganic & Nuclear
Hechen Wu, Bing Yan, Rongchang Liang, Vikram Singh, Pengtao Ma, Jingping Wang, Jingyang Niu
DALTON TRANSACTIONS
(2020)
Article
Chemistry, Inorganic & Nuclear
Rong Wan, Huafeng Li, Xinyi Ma, Zhen Liu, Vikram Singh, Pengtao Ma, Chao Zhang, Jingyang Niu, Jingping Wang
DALTON TRANSACTIONS
(2019)
Article
Chemistry, Multidisciplinary
Yanxin Zhao, Shumin Chen, Yanfang Ji, Vikram Singh, Pengtao Ma, Jingkun Lu, Jingyang Niu, Jingping Wang
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)