Optical Interference Substrates for Nanoparticles and Two-Dimensional Materials
Interference substrates are useful in enhancing Raman and luminescence signals and in increasing the optical contrast of nanoparticles and atomically thin layers. Interference substrates played a crucial role in the discovery of the electric field effect on electronic conduction in graphene a few ye...
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| Format: | Article |
| Language: | English |
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Wiley
2013-11-01
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| Series: | Nanomaterials and Nanotechnology |
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| Online Access: | http://www.intechopen.com/journals/nanomaterials_and_nanotechnology/optical-interference-substrates-for-nanoparticles-and-two-dimensional-materials |
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| _version_ | 1849395483239251968 |
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| author | Wolfgang S Bacsa Ekaterina Pavlenko Victoria Tishkova |
| author_facet | Wolfgang S Bacsa Ekaterina Pavlenko Victoria Tishkova |
| author_sort | Wolfgang S Bacsa |
| collection | DOAJ |
| description | Interference substrates are useful in enhancing
Raman and luminescence signals and in increasing the
optical contrast of nanoparticles and atomically thin
layers. Interference substrates played a crucial role in the
discovery of the electric field effect on electronic
conduction in graphene a few years ago. They are now
used for a wide range of two-dimensional materials and
recently for the heterostructures of atomically thin films.
The same or similar substrates can be employed for the
exploration of a large variety of nanoparticles. Although
optical interference has been known to occur within the
proximity of surfaces for more than one century, optical
interference has been only gradually used over the last
two decades to enhance the optical response of
nanoparticles and layered materials. We review the
different forms of interference substrates used over time.
While multiple interference effects are frequently put
forward to explain the enhancement in interference
substrates, we show here that the formation of optical
surface standing waves near strongly reflecting surfaces
is the main cause of field enhancement. In addition, we
demonstrate how a metal layer improves optical field
enhancement. |
| format | Article |
| id | doaj-art-a7416af2103749b99eab5ee365e450e3 |
| institution | Kabale University |
| issn | 1847-9804 |
| language | English |
| publishDate | 2013-11-01 |
| publisher | Wiley |
| record_format | Article |
| series | Nanomaterials and Nanotechnology |
| spelling | doaj-art-a7416af2103749b99eab5ee365e450e32025-08-20T03:39:36ZengWileyNanomaterials and Nanotechnology1847-98042013-11-01322http://dx.doi.org/10.5772/5746445914Optical Interference Substrates for Nanoparticles and Two-Dimensional MaterialsWolfgang S BacsaEkaterina PavlenkoVictoria TishkovaInterference substrates are useful in enhancing Raman and luminescence signals and in increasing the optical contrast of nanoparticles and atomically thin layers. Interference substrates played a crucial role in the discovery of the electric field effect on electronic conduction in graphene a few years ago. They are now used for a wide range of two-dimensional materials and recently for the heterostructures of atomically thin films. The same or similar substrates can be employed for the exploration of a large variety of nanoparticles. Although optical interference has been known to occur within the proximity of surfaces for more than one century, optical interference has been only gradually used over the last two decades to enhance the optical response of nanoparticles and layered materials. We review the different forms of interference substrates used over time. While multiple interference effects are frequently put forward to explain the enhancement in interference substrates, we show here that the formation of optical surface standing waves near strongly reflecting surfaces is the main cause of field enhancement. In addition, we demonstrate how a metal layer improves optical field enhancement.http://www.intechopen.com/journals/nanomaterials_and_nanotechnology/optical-interference-substrates-for-nanoparticles-and-two-dimensional-materialsNanoparticlesMonolayer MaterialsOptical InterferenceSi/SiO2 Substrate |
| spellingShingle | Wolfgang S Bacsa Ekaterina Pavlenko Victoria Tishkova Optical Interference Substrates for Nanoparticles and Two-Dimensional Materials Nanomaterials and Nanotechnology Nanoparticles Monolayer Materials Optical Interference Si/SiO2 Substrate |
| title | Optical Interference Substrates for Nanoparticles and Two-Dimensional Materials |
| title_full | Optical Interference Substrates for Nanoparticles and Two-Dimensional Materials |
| title_fullStr | Optical Interference Substrates for Nanoparticles and Two-Dimensional Materials |
| title_full_unstemmed | Optical Interference Substrates for Nanoparticles and Two-Dimensional Materials |
| title_short | Optical Interference Substrates for Nanoparticles and Two-Dimensional Materials |
| title_sort | optical interference substrates for nanoparticles and two dimensional materials |
| topic | Nanoparticles Monolayer Materials Optical Interference Si/SiO2 Substrate |
| url | http://www.intechopen.com/journals/nanomaterials_and_nanotechnology/optical-interference-substrates-for-nanoparticles-and-two-dimensional-materials |
| work_keys_str_mv | AT wolfgangsbacsa opticalinterferencesubstratesfornanoparticlesandtwodimensionalmaterials AT ekaterinapavlenko opticalinterferencesubstratesfornanoparticlesandtwodimensionalmaterials AT victoriatishkova opticalinterferencesubstratesfornanoparticlesandtwodimensionalmaterials |