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
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
Energy & Fuels
Muhammad Yasin, Muhammad Khan, Norah Alwadai, Munawar Iqbal
Summary: Nanorods of TiO2, Sn-doped TiO2, TiO2@Sn-TiO2 and Sn-TiO2@TiO2 were prepared and characterized using SEM, XRD and UV-Vis spectroscopy. The results showed that the heterostructure film of Sn-TiO2@TiO2 had the smallest band gap and highest efficiency in DSSC among the four films.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Chemistry, Physical
Dapeng Cao, Anchen Wang, Xiaohui Yu, Huiming Yin, Jingbo Zhang, Baoxiu Mi, Zhiqiang Gao
Summary: The study demonstrated that the use of compression and graphene incorporation in TiO2/graphene photoanodes for DSSCs significantly improves power conversion efficiency, transmittance, and resistance to cracking, making it suitable for use as the front unit in tandem solar cells.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Multidisciplinary Sciences
R. Krishnapriya, C. Nizamudeen, B. Saini, M. Sayem Mozumder, Rakesh K. Sharma, A. -H. I. Mourad
Summary: The facile synthesis and application of nano-sized semiconductor metal oxides for optoelectronic devices are challenging due to multi-step processes. Semiconductor oxides derived directly from metal-organic frameworks (MOFs) show promise for clean energy conversion and storage devices, with the potential to enhance light absorption in the visible region and improve overall performance.
SCIENTIFIC REPORTS
(2021)
Article
Materials Science, Multidisciplinary
Mian-En Yeoh, Kah-Yoong Chan, Hin-Yong Wong, Pei-Ling Low, Zi-Neng Ng, H. C. Ananda Murthy, Ruthramurthy Balachandran
Summary: Globally, the hydrothermal method is commonly used to synthesize TiO2 photoanodes for various applications, but it is often complex and difficult to follow. This study successfully developed a reinvented hydrothermal synthesis methodology, which demonstrated a mixed-phase TiO2 photoanodes without several intermediate hydrothermal steps. The DSSC devices fabricated using this methodology showed comparable and excellent power conversion efficiency (η=3.30%) to commercial TiO2-based DSSCs (η=3.81%). This preliminary study provides new perspectives on simplifying wet chemical synthesis techniques for TiO2 in the design of DSSCs.
Article
Chemistry, Physical
Mehdi Ismail, Mohamed Mehdi Chebaane, Latifa Bousselmi, Orfan Zahraa, Celine Olivier, Thierry Toupance
Summary: TiO2 electrodes modified with different loadings of WO3 showed increased photocurrent density and decreased interface charge transfer resistance. However, all devices modified by WO3 exhibited lower photovoltaic performance compared to the TiO2 reference cell. The highest conversion efficiency was observed when WO3 was introduced into the TiCl4 pretreatment bath, optimizing semiconductor contact for improved charge transfer.
SURFACES AND INTERFACES
(2021)
Article
Materials Science, Multidisciplinary
Kadhim Attafi, Andrew Nattestad, Hamzeh Qutaish, Min-Sik Park, Lok Kumar Shrestha, Katsuhiko Ariga, Shi Xue Dou, Jung Ho Kim
Summary: Many researchers in the development of Dye-sensitized solar cells (DSCs) are highlighting the importance of dye packing density, which can significantly affect the devices' photovoltaic efficiency. Solvothermally synthesized anatase TiO2 nanoparticles (SANP) show high efficiency in dye loading and light scattering, contributing to the overall performance improvement of the devices. The use of SANP in DSCs presents a promising approach to enhance the efficiency and performance of solar cells.
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
(2021)
Article
Environmental Sciences
Muhammad Umair Shahid, Norani Muti Mohamed, Ali Samer Muhsan, Siti Nur Azella Zaine, Mehboob Khatani, Asfand Yar, Waqar Ahmad, Muhammad Babar Hussain, Asma A. Alothman, Mohammed Sheikh Saleh Mushab
Summary: Dye-sensitized solar cells (DSSCs) have attracted attention for their low-cost processing, ability to work in diffuse light, and potential for building integrated photovoltaics (BIPV). However, their efficiency is low due to multiple issues. This study introduces a graphene/TiO2 scattering layer that enhances electron transport and light scattering. Results show that with 0.01 wt% graphene, a 33% higher photoconversion efficiency (PCE) was achieved compared to without scattering layer. However, PCE decreases at >0.01 wt% graphene due to loss of diffuse reflectance and higher optical absorption.
Article
Materials Science, Multidisciplinary
Nattakan Kanjana, Wasan Maiaugree, Phitsanu Poolcharuansin, Paveena Laokul
Summary: Fe-doped TiO2 hollow spheres showed improved performance as photoanodes in dye-sensitized solar cells, with increased light-harvesting efficiency and enhanced dye adsorption capability. The formation of oxygen vacancies and other defect states contributed to higher electron transport efficiency, ultimately leading to enhanced DSSCs performance.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2021)
Article
Physics, Applied
Kao-Wei Min, Shi-Mian Chao, Ming-Ta Yu, Chi-Ting Ho, Pin-Ru Chen, Tung-Lung Wu
Summary: The study demonstrated that doping TiO2 scattering layers with graphene can effectively enhance visible light absorption and increase current density in DSSCs, showing potential for improving the photoelectric conversion efficiency.
MODERN PHYSICS LETTERS B
(2021)
Article
Materials Science, Multidisciplinary
Umesh Fegade, Chia -Ching Lin, Thamraa Alshahrani, Ren-Jang Wu, Mohd Imran, Jabir Hakami, Mohammad Afzaal, Amir Al -Ahmed, Firoz Khan
Summary: Nanoparticles of zinc ferrite were synthesized and mixed with TiO2 to form a composite photoanode for dye-sensitized solar cell. The composite photoanode showed a wider absorption band and higher photoelectric conversion efficiency compared to pure TiO2. The power conversion efficiency of the composite photoanode-based cell was enhanced by 39% compared to the pure TiO2-based cell.
Review
Chemistry, Multidisciplinary
Deepak Joshy, Soumya B. Narendranath, Yahya A. Ismail, Pradeepan Periyat
Summary: TiO2 nanomaterials have been widely studied as photoanode materials in dye-sensitized solar cells due to their non-toxicity, high electron transport rates, and fine tuneable band gap. This review focuses on the modification of TiO2 photoanodes through doping and morphological variations, and highlights the impact of various morphologies on photoanode design.
NANOSCALE ADVANCES
(2022)
Article
Chemistry, Physical
Hany M. Abd El-Lateef, Mai M. Khalaf, Van-Duong Dao, Ibrahim M. A. Mohamed
Summary: This study investigates the electrochemical impedance analysis of synthesized TiO2 nanofibers as photoanodes. The morphological character, crystallinity, and chemical contents of the photoanode substrates were analyzed. The impact of N-doping on charge transfers was also studied.
Article
Chemistry, Physical
Amin Alizadeh, Zahra Shariatinia
Summary: By utilizing a tri-layered photoanode structure and nanocomposite materials, researchers have successfully enhanced the performance of dye-sensitized solar cells (DSSCs). They have also found that the SmFeO3 nanostructure has a significant impact on the performance of the cells.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Physical
Maziar Marandi, Zahra Goudarzi, Leila Moradi
JOURNAL OF ALLOYS AND COMPOUNDS
(2017)
Article
Chemistry, Analytical
Maziar Marandi, Farzaneh Ahangarani Farahani, Mahtab Davoudi
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2017)
Article
Engineering, Electrical & Electronic
Maziar Marandi, Elham Rahmani, Farzaneh Ahangarani Farahani
JOURNAL OF ELECTRONIC MATERIALS
(2017)
Article
Engineering, Electrical & Electronic
Maziar Marandi, Zakieh Anajafi, Mahbobeh Naeimi Sani Sabet, Samaneh Bayat
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2017)
Article
Materials Science, Multidisciplinary
Hakimeh Zare, Masoumeh Ghalkhani, Omid Akhavan, Nima Taghavinia, Maziar Marandi
MATERIALS RESEARCH BULLETIN
(2017)
Article
Materials Science, Multidisciplinary
Hassan Alehdaghi, Maziar Marandi, Azam Irajizad, Nima Taghavinia, Jin Jang, Hakimeh Zare
MATERIALS CHEMISTRY AND PHYSICS
(2018)
Article
Chemistry, Analytical
M. Marandi, S. Bayat, M. Naeimi Sani Sabet
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2019)
Article
Engineering, Electrical & Electronic
M. Marandi, P. Talebi, S. Bayat
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2019)
Article
Energy & Fuels
M. Marandi, S. Bayat
Article
Electrochemistry
Azam Khorasani, Maziar Marandi, Azam Iraji Zad, Nima Taghavinia
ELECTROCHIMICA ACTA
(2019)
Article
Engineering, Electrical & Electronic
Azam Khorasani, Maziar Marandi, Azam Iraji Zad, Nima Taghavinia
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2019)
Article
Chemistry, Physical
M. Marandi, F. S. Mirahmadi
JOURNAL OF ALLOYS AND COMPOUNDS
(2019)
Article
Materials Science, Multidisciplinary
Maziar Marandi, Parisa Talebi, Leila Moradi
Article
Energy & Fuels
M. Marandi, F. S. Mirahmadi
Article
Nanoscience & Nanotechnology
Ali Babaei, Mohammad Moradi, Masoud Sohrabi, Samira Feshki, Maziar Marandi
JOURNAL OF NANOSTRUCTURES
(2018)