2009/03/22 by Omer Yaffe, Luc Scheres, Sreenivasa Reddy Puniredd +8
Chemistry · Engineering · Physics and Astronomy · #Alkyl #Chemical physics #Chemistry #Electron #Electronics #Materials science #Metal #Molecular Junctions and Nanostructures #Molecular electronics #Molecule #Monolayer #Nanometre #Nanotechnology #Optoelectronics #Organic chemistry #Organic semiconductor #Physical chemistry #Physics #Semiconductor #Semiconductor materials and devices #Semiconductor materials and interfaces #Thermionic emission #cond-mat.mes-hall #cond-mat.other
paper · pdf · doi:10.1021/nl900953z
arxiv created 2009/03/22 · openalex publication_date 2009/05/13 · arxiv updated 2015/05/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Electronic transport across n-Si-alkyl monolayer/Hg junctions is, at reverse and low forward bias, independent of alkyl chain length from 18 down to 1 or 2 carbons! This and further recent results indicate that electron transport is minority, rather than majority carrier dominated, occurs via generation and recombination, rather than (the earlier assumed) thermionic emission, and, as such, is rather insensitive to interface properties. The (m)ethyl results show that binding organic molecules directly to semiconductors provides semiconductor/metal interface control options, not accessible otherwise.