Author:
Darminto D.,Asih Retno,Priyanto Budhi,Baqiya Malik A.,Ardiani Irma S.,Nadiyah Khoirotun,Laila Anna Z.,Prayogi Soni,Tunmee Sarayut,Nakajima Hideki,Fauzi Angga D.,Naradipa Muhammad A.,Diao Caozheng,Rusydi Andrivo
Abstract
AbstractAn understanding on roles of excitons and plasmons is important in excitonic solar cells and photovoltaic (PV) technologies. Here, we produce new amorphous carbon (a-C) like films on Indium Tin Oxide (ITO) generating PV cells with efficiency three order of magnitude higher than the existing biomass-derived a-C. The amorphous carbon films are prepared from the bioproduct of palmyra sap with a simple, environmentally friendly, and highly reproducible method. Using spectroscopic ellipsometry, we measure simultaneously complex dielectric function, loss function as well as reflectivity and reveal coexistence of many-body resonant excitons and correlated-plasmons occurring due to strong electronic correlations. X-ray absorption and photoemission spectroscopies show the nature of electron and hole in defining the energy of the excitons and plasmons as a function of N or B doping. Our result shows new a-C like films and the importance of the coupling of resonant excitons and correlated plasmons in determining efficiency of photovoltaic devices.
Funder
Kementerian Riset, Teknologi dan Pendidikan Tinggi
Outbond Researcher Mobility (ORM) Program of ITS, 2023
Institut Teknologi Sepuluh Nopember
Ministry of Education of Singapore (MOE) AcRF Tier-2
NRF - NUS Resilience and Growth Postdoctoral Fellowships
NUS Core Support
Publisher
Springer Science and Business Media LLC
Cited by
1 articles.
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