Tunable optical constants of thermally grown thin porphyrin films on silicon for photovoltaic applications
The possibility to tune optical constants of porphyrins, only by varying the core substituents of the molecules, endorse them as promising thin film materials for dye-sensitized- or hybrid molecular heterojunction- solar cells. For the design and improvement of such optical devices involving porphyr...
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| Veröffentlicht in: | Solar energy materials and solar cells 2014-08, Vol.127, p.169-173 |
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| container_title | Solar energy materials and solar cells |
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| creator | POP, Simona D KATE, Stephan P RAPPICH, Jorg HINRICHS, Karsten |
| description | The possibility to tune optical constants of porphyrins, only by varying the core substituents of the molecules, endorse them as promising thin film materials for dye-sensitized- or hybrid molecular heterojunction- solar cells. For the design and improvement of such optical devices involving porphyrin layers, exact knowledge of the optical properties is desirable. Here, thermally grown thin films of different meso-tetraphenyl porphyrins (i.e. H sub(2)TPP, NiTPP, and CoTPP) on silicon are assessed by spectroscopic ellipsometry and atomic force microscopy. Optical constants were determined in the near-IR to near-UV spectral range. A detailed discussion of the optical bands and the related electronic transitions is performed. |
| doi_str_mv | 10.1016/j.solmat.2014.04.032 |
| format | Article |
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For the design and improvement of such optical devices involving porphyrin layers, exact knowledge of the optical properties is desirable. Here, thermally grown thin films of different meso-tetraphenyl porphyrins (i.e. H sub(2)TPP, NiTPP, and CoTPP) on silicon are assessed by spectroscopic ellipsometry and atomic force microscopy. Optical constants were determined in the near-IR to near-UV spectral range. A detailed discussion of the optical bands and the related electronic transitions is performed.</description><identifier>ISSN: 0927-0248</identifier><identifier>EISSN: 1879-3398</identifier><identifier>DOI: 10.1016/j.solmat.2014.04.032</identifier><language>eng</language><publisher>Amsterdam: Elsevier</publisher><subject>Applied sciences ; Constants ; Direct energy conversion and energy accumulation ; Electrical engineering. 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Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Energy</subject><subject>Equipments, installations and applications</subject><subject>Exact sciences and technology</subject><subject>Natural energy</subject><subject>Optical properties</subject><subject>Photoelectric conversion</subject><subject>Photovoltaic cells</subject><subject>Photovoltaic conversion</subject><subject>Porphyrins</subject><subject>Silicon</subject><subject>Solar cells</subject><subject>Solar cells. 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Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Energy</topic><topic>Equipments, installations and applications</topic><topic>Exact sciences and technology</topic><topic>Natural energy</topic><topic>Optical properties</topic><topic>Photoelectric conversion</topic><topic>Photovoltaic cells</topic><topic>Photovoltaic conversion</topic><topic>Porphyrins</topic><topic>Silicon</topic><topic>Solar cells</topic><topic>Solar cells. 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For the design and improvement of such optical devices involving porphyrin layers, exact knowledge of the optical properties is desirable. Here, thermally grown thin films of different meso-tetraphenyl porphyrins (i.e. H sub(2)TPP, NiTPP, and CoTPP) on silicon are assessed by spectroscopic ellipsometry and atomic force microscopy. Optical constants were determined in the near-IR to near-UV spectral range. A detailed discussion of the optical bands and the related electronic transitions is performed.</abstract><cop>Amsterdam</cop><pub>Elsevier</pub><doi>10.1016/j.solmat.2014.04.032</doi><tpages>5</tpages></addata></record> |
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| ispartof | Solar energy materials and solar cells, 2014-08, Vol.127, p.169-173 |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences Constants Direct energy conversion and energy accumulation Electrical engineering. Electrical power engineering Electrical power engineering Energy Equipments, installations and applications Exact sciences and technology Natural energy Optical properties Photoelectric conversion Photovoltaic cells Photovoltaic conversion Porphyrins Silicon Solar cells Solar cells. Photoelectrochemical cells Solar energy Spectra Thin films |
| title | Tunable optical constants of thermally grown thin porphyrin films on silicon for photovoltaic applications |
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