Anatase-assisted growth of nanoscale crystalline brookite film and rutile rods on SiO2/Si substrate in a single hydrothermal process

Xianhui Meng, Jong Hak Lee, Min Ho Park, Seong Man Yu, Dong Wook Shin, Cheolwoong Yang, Vasant Bhoraskar, Ji Beom Yoo

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

In a single hydrothermal reaction in Ti-HCl solution at 120°C/140°C, 50 to 180 nm thick brookite layers and, 1 to 4.5 m long rutile rods were grown on anatase film with SiO2/Si substrate, and confirmed by SEM, TEM, XRD and Raman measurements. The growth mechanism is correlated with Cl/Ti ratio and evaporation of HCl from solution.

Original languageEnglish
Pages (from-to)3983-3987
Number of pages5
JournalCrystEngComm
Volume13
Issue number12
DOIs
StatePublished - 21 Jun 2011

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