NDLI: Synthesis and spectral properties of double D–π–A mono-cyanines as well as preparation of near infrared silicon-based materials

Content Provider	Royal Society of Chemistry (RSC)
Author	Bi, Weibin Wang, Shu Zhang, Xiufu Zhang, Jianghua Wang, Lanying
Copyright Year	2015
Abstract	Three kinds of new double D–π–A mono-cyanines D1, D2 and D3 were synthesized for the surface modification of monocrystalline silicon to prepare near infrared silicon-based materials. There was a strong surface photovoltage response in the range of 900–1250 nm compared with silicon materials when double D–π–A mono-cyanines were bound on the monocrystalline silicon material surface. To explore the effect of the double D–π–A mono-cyanines on the light absorption characteristics of silicon materials, the absorption properties, films on monocrystalline silicon surfaces and the surface photovoltage response of three double D–π–A mono-cyanines were investigated. The results demonstrated that the order of the intensity of the surface photovoltage response was Si/D3 > Si/D2 > Si/D1, and no absorption properties of the silicon materials in the near infrared region were improved, yielding near infrared silicon-based materials.
Starting Page	64626
Ending Page	64632
Page Count	7
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	5
Issue Number	79
Journal	RSC Advances
DOI	10.1039/c5ra08759g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Infrared Surface photovoltage Monocrystalline silicon
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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Synthesis and spectral properties of double D–π–A mono-cyanines as well as preparation of near infrared silicon-based materials