Colloidal silicon nanocrystallites for low-cost solar cell development

Nano-Micro Letters

V. Å vrček¹ 

关键词: Silicon;    Nanocrystals;    Electrochemical etching;    Solar cell;   

DOI  :  10.5101/nml.v1i1.p40-44

来源: Open Access House of Science and Technology

【 摘 要 】

nbsp;Inthisletteraformationofsolutionbasedofbulk-heterojunctionbasedonfreestandingsiliconnanocrystals(Si-ncs)andconjugated((poly(3-hexylthiophene)(P3HT)polymerisdemonstrated.SurfactantfreeSi-ncspreparedbylow-costelectrochemicaletchingareappliedforfabricationofbulk-heterojunctionandphoto-conductiveblends.Weshowthattheoptimumblendperformanceisat40wt%nanocrystallitesconcentrationwithintheP3HTpolymermatrix.Furthermore,weillustratethatsolarcelltransportpropertiescanbeimprovedbynanosecondlaserfragmentationofthenanocrystallitesmicrograinsinethanol.Itarguesthatnbsp;theSi-ncs/polymerblendwithrefinenanocrystalinestructuremayimpactthedevelopmentoflow-costsolarcellsbyenvironmental-friendlymean.

【 授权许可】

Unknown