Grazing Incidence Small-Angle X-ray Scattering Analysis of Initial Growth of Planar Organic Molecules Affected by Substrate Surface Energy

被引：24

作者：

Kim, Hyo Jung ^{[1
,2
]}

Kim, Ji Whan ^{[1
,2
]}

Lee, Hyun Hwi ^{[3
]}

Kim, Tae-Min ^{[1
,2
]}

Jang, Junhyuk ^{[1
,2
]}

Kim, Jang-Joo ^{[1
,2
]}

机构：

[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151744, South Korea

[2] Seoul Natl Univ, OLED Ctr, Seoul 151744, South Korea

[3] Pohang Accelerator Lab, Pohang 790783, Kyungbuk, South Korea

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2011年 / 2卷 / 14期

关键词：

COPPER PHTHALOCYANINE; THIN-FILM; DEPOSITION; TEMPERATURE;

D O I：

10.1021/jz200724x

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Disc-type nano grains of copper(H) phthalocyanine (CuPc) were observed in an ultrathin CuPc layer (5 nm) evaporated on a hydrophilic Si surface showing the structure factor in grazing incidence small-angle X-ray scattering measurement. The disk type grains consisted of a crystalline part and a noncrystalline part. The disk type grains were smaller in the case of evaporation on an octadecyltrichlorosilane (ODTS) treated hydrophobic Si surface, which showed lower crystallinity with random distribution. Despite regularly distributed CuPc grains, the mobility was lower in a FET device fabricated on a hydrophilic surface than on an ODTS Si surface due to the lower average density of the molecules relating to porous molecular packing between nanograins on a hydrophilic surface.

引用

页码：1710 / 1714

页数：5

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