期刊
ENERGY & ENVIRONMENTAL SCIENCE
卷 4, 期 11, 页码 4620-4632出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ee02303a
关键词
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资金
- Agencia de Inovacao [ADI-003380]
- Portuguese Fundacao para a Ciencia e a Tecnologia [PTDC/CTM/099719/2008]
- Fundação para a Ciência e a Tecnologia [PTDC/CTM/099719/2008] Funding Source: FCT
Nanostructured silicon single junction thin film solar cells were deposited on commercial red clay roof tiles with engobe surfaces and earthenware wall tiles with glazed surfaces, with a test area of 24 mm(2). We studied the influence of the type of substrate tile, back contact, buffer layer and SiOx passivation layer on the optoelectronic performance of the solar cells. Despite the fact that typical micrometre-sized defects on the surfaces of the tiles and the porous nature of the ceramic substrates make deposition of homogeneous thin films on them quite challenging, we have been able to achieve a cell efficiency of 5% and a quantum efficiency of 80% on non-fully optimized cells on commercial tiles. The method is industrially employable utilizing pre-existing plasma-enhanced chemical vapour deposition technologies. The cost-effectiveness and industrial feasibility of the technique are discussed. Our study shows that photovoltaic tiles can combine energy generation with architectural aesthetics leading to significant implications for advancement in building integrated photovoltaics.
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