Atomically Precise Noble Metal Clusters Harvest Visible Light to Produce Energy
| Autor: | G. S. Anjusree, Madhuri Jash, Ammu Mathew, Thalappil Pradeep, N. Pugazhenthiran, T. G. Deepak, Ananya Baksi, V. Jeseentharani, Jyotirmoy Ghosh, A. Sreekumaran Nair, Indranath Chakraborty |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
Photovoltaic system Energy conversion efficiency 02 engineering and technology General Chemistry engineering.material 010402 general chemistry 021001 nanoscience & nanotechnology Photochemistry 01 natural sciences 0104 chemical sciences law.invention chemistry.chemical_compound chemistry law Solar cell Titanium dioxide Microscopy engineering Noble metal 0210 nano-technology Spectroscopy Visible spectrum |
| Zdroj: | ChemistrySelect. 2:1454-1463 |
| ISSN: | 2365-6549 |
| DOI: | 10.1002/slct.201601730 |
| Popis: | Atomically precise gold and silver clusters are a new class of sensitizers which can be used as substitutes for dyes in the classical dye-sensitized solar cells (DSCs). Here noble metal clusters protected by proteins and thiols (Au30@BSA, Au25SBB18, and Ag44MBA30) have been used for photovoltaic studies. These metal clusters were used as sensitizers for the photoanodes fabricated using TiO2 nanotubes (NTs) and the commercial P25 TiO2 nanoparticles. The TiO2, clusters and the solar cells were characterized by spectroscopy, microscopy, current-voltage (I-V) and incident photon-to-current conversion efficiency (IPCE) measurements. A systematic I-V study revealed a conversion efficiency of 0.35 % for the Au30@BSA sensitized solar cell made from TiO2 NTs which showed an IPCE maximum of 3 % at ∼ 400 nm. |
| Databáze: | OpenAIRE |
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