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Investigations of metal nanoparticles, nanocarbons including graphene, and artificial photosynthesis

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dc.contributor.advisor Rao, C.N.R.
dc.contributor.author Maitra, Urmimala
dc.date.accessioned 2020-07-21T14:50:00Z
dc.date.available 2020-07-21T14:50:00Z
dc.date.issued 2014
dc.identifier.citation Maitra, Urmimala. 2014, Investigations of metal nanoparticles, nanocarbons including graphene, and artificial photosynthesis, Ph.D. thesis, Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru en_US
dc.identifier.uri https://libjncir.jncasr.ac.in/xmlui/handle/10572/2960
dc.description Open access en_US
dc.description.abstract Interparticle dipolar coupling leads to a shift in plasmon absorption maxima as particles are brought from infinite distance to the proximity of each other. The distance between the particles can thus be related to the shift in the plasmon band3-5. Sonnichsen et al.4 and Reinhard et al.5 designed a plasmon ruler equation based on this principle. Using an appropriate biomolecular binding scheme they achieved coupling of gold nanoparticles and measured nanoscale distances in biological systeM.S. based on the observed shift in the plasmon band. Few quantitative studies have been carried out on the distance dependence of dipolar plasmon coupling in systeM.S. in which metal particles are separated by a dielectric gap and a universal scaling behavior has been predicted.6-9 Such studies include lithographically fabricated Au nanodiscs in polymers,6,7,10, dielectric core-Au nanoshells,8,11 head-to-tail dimers of elongated particles of different aspect ratios and curvatures and a trimer of nanospheres9. We considered it to be of interest to examine whether the same scaling law extends to a 3-dimensional assembly of metal particles e.g. those frozen in polymer matrices. en_US
dc.language.iso English en_US
dc.publisher Jawaharlal Nehru Centre for Advanced Scientific Research en_US
dc.rights © 2014 JNCASR en_US
dc.subject Nanoparticles en_US
dc.title Investigations of metal nanoparticles, nanocarbons including graphene, and artificial photosynthesis en_US
dc.type Thesis en_US
dc.type.qualificationlevel Doctoral en_US
dc.type.qualificationname Ph.D. en_US
dc.publisher.department Chemistry and Physics of Materials Unit (CPMU) en_US


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