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Related papers: DSSC Anchoring Groups: A Surface Dependent Decisio…

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Understanding mechanisms in DSSCs is fundamental for their improvement; this includes the nanocrystalline semiconducting layer behaviour. Different mesoporous TiO2 layers are fabricated and analyzed for possible use in DSSC solar cells. The…

The adsorption of two different organic molecules cyanidin glucoside (C$_{21}$O$_{11}$H$_{20}$) and TA-St-CA on anatase (101) and (001) nanowires have been investigated using the standard and the range separated hybrid density functional…

Mesoscale and Nanoscale Physics · Physics 2020-05-20 Hatice Unal , Deniz Gunceler , Oguz Gulseren , Sinasi Ellialtioglu , Ersen Mete

We use free-standing TiO2 nanotube membranes that are transferred onto FTO slides in front-side illuminated dye-sensitized solar cells (DSSCs). We investigate the key parameters for solar cell arrangement of self-ordered anodic TiO2…

Materials Science · Physics 2016-10-17 F. Mohammadpour , M. Moradi , K. Lee , G. Cha , S. So , A. Kahnt , D. M. Guldi , M. Altomare , P. Schmuki

Optimizing the photovoltaic efficiency of dye-sensitized solar cells (DSSC) based on staggered gap heterojunctions requires a detailed understanding of sub-band gap transitions in the visible from the dye directly to the substrate's…

Materials Science · Physics 2016-06-22 Duncan John Mowbray , Annapaola Migani

TiO2 nanorods have been prepared on ITO substrates by dc reactive magnetron sputtering technique. The hydroxyl groups have been introduced on the nanorods surface. The structure and the optical properties of these nanorods have been…

Applied Physics · Physics 2018-03-14 Lijian Meng , Tao Yang , Sining Yun , Can Li

We perform state-of-the-art calculations for a prototypical dye sensitized solar cell: catechol on rutile TiO$_2$(110). Catechol is often used as an anchoring group for larger more complex organic and inorganic dyes on TiO$_2$ and forms a…

Materials Science · Physics 2016-03-01 Duncan J. Mowbray , Annapaola Migani

In the present work we compare TiO2 nanotube lift-off strategies for the construction of front-side illuminated dye-sensitized solar cells (DSSCs). Anodic nanotube layers were detached from the metallic back contact by using different…

The adsorption of organic molecules coumarin and the donor-$\pi$-acceptor type tetrahydroquinoline (C2-1) on anatase (101) and (001) nanowires have been investigated using screened Coulomb hybrid density functional theory calculations.…

Mesoscale and Nanoscale Physics · Physics 2014-12-03 Hatice Unal , Deniz Gunceler , Oguz Gulseren , Sinasi Ellialtioglu , Ersen Mete

Although the immobilization of oligonucleotides (nucleic acid) on mineral surfaces is at the basis of different biotechnological applications, an atomistic understanding of the interaction of the nucleic acid components with the titanium…

Chemical Physics · Physics 2021-11-17 Federico A. Soria , Cristiana Di Valentin

TiO$_2$ anatase has its significant importance in energy and environmental research. However, the major drawback of this immensely popular semi-conductor is its large bandgap of 3.2 eV. Several non-metals have been doped experimentally for…

Materials Science · Physics 2020-02-25 Pooja Basera , Shikha Saini , Saswata Bhattacharya

The conversion efficiency of dye-sensitized solar cells (DSSCs) is optimized by modifying the optical design and improving absorbance within the cell. These objectives are obtained by creating different sized cavities in TiO2 photoanode.…

Chemical Physics · Physics 2015-03-24 Elham Bayatloo , Esmaiel Saievar-Iranizad

The computational design of heteroatom-doped organic dyes for dye-sensitized solar cells (DSSCs) remains challenging, as predictive methods must accurately describe long-range charge-transfer (CT) excitations while remaining computationally…

Chemical Physics · Physics 2026-05-22 Aditi Singh , Ram Dhari Pandey , Subrata Jana , Prasanjit Samal , Paweł Tecmer , Szymon Śmiga

Structural and electronic properties comparison between anatase, rutile and monoclinic TiO2(B) titania polymorphs in bulk and related nanostructures simulated by two-dimensional slabs has been performed by means of density functional theory…

Materials Science · Physics 2011-08-16 Luciana Fernández-Werner , Ricardo Faccio , Helena Pardo , Álvaro W. Mombrú

Dye Sensitized Solar Cells (DSSCs) have recently regained attention for indoor light harvesting and powering wireless devices. Advantages such as cost-effectiveness, flexibility, wide angular response, and lightweight design have driven the…

As technology continues to evolve, the demand for renewable and sustainable energy continues to grow. As the use of renewable energies, specifically photovoltaics, is continually being adopted and incorporate into everyday life, it is…

Applied Physics · Physics 2019-01-23 Benjamin K Barnes , Joshua Orebiyi , Kausik S Das

The adsorption of the chiral molecule lactate on the intrinsically chiral noble metal surfaces Pt(321), Au(321) and Ag(321) is studied by Density Functional Theory calculations. We use the oPBE-vdW functional which includes van der Waals…

Materials Science · Physics 2015-06-17 J. -H. Franke , D. S. Kosov

The surface states of the active TiO2 layer is crucial while fabricating an efficient solar cell. This work experimentally analyses the effect of exposing TiO2 based electron transport layer (ETL) to the ultraviolet-ozone (UV-O3) and…

Applied Physics · Physics 2020-02-28 Chandan Dawo , Mohammad Adil Afroz , Parameswar Krishnan Iyer , Harsh Chaturvedi

An asymmetric A-{\pi}-D-{\pi}-D-{\pi}-A' tribranched organic dye (dye1) with a cyanoacrylic acid and an indolinum carboxyl acid as electron acceptors and a triphenylamine as an electron donor was designed and theoretically investigated for…

Chemical Physics · Physics 2016-09-21 Geon Hyeong Lee , Young Sik Kim

Band engineering is employed thoroughly and targets technologically scalable photoanodes for solar water splitting applications. Complex and costly recipes are necessary, often for average performances. Here we report simple photoanode…

Materials Science · Physics 2023-04-18 Stefan Stanescu , Théo Alun , Yannick J. Dappe , Dris Ihiawakrim , Ovidiu Ersen , Dana Stanescu

Dye-sensitized solar cells (DSC), built upon organic/inorganic hybrid materials, are promising third generation solar cells, which attract wide attentions due to their low-cost, flexibility and environment-friendly properties. We review…

Materials Science · Physics 2015-02-09 Wei Ma , Fan Zhang , Sheng Meng
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