TY - JOUR
T1 - Photo-electrochemical properties of TiOs2 nanotube arrays
T2 - 9th International Conference on Physics and Its Applications, ICOPIA 2018
AU - Budiman, H.
AU - Wibowo, R.
AU - Zuas, O.
AU - Gunlazuardi, J.
N1 - Funding Information:
Authors would express the most gratitude to Hibah Tugas (TADOK-UI 2018) and Sainstek 2018 grants from Ministry Education that support for funding this research.
Publisher Copyright:
© Published under licence by IOP Publishing Ltd.
PY - 2019/2/26
Y1 - 2019/2/26
N2 - The comparison of two pre-treatment methods, such as mechanical polishing and chemical polishing, prior to anodization of titanium surface in the ethylene glycol based electrolyte containing H2O2, were carried out to investigate their effects on photo-electrochemical property of produced highly ordered TiO2 nanotube arrays (HOTNAs). The Ti-chemical polishing was conducted in electrolyte containing H2O2 (0.6% H2O2/1.4% H2O). The prepared HOTNAs were characterized by FT-IR, UV-Vis DRS and SEM. The obtained FTIR spectrum, showed vibration band at 1100 and 425 cm-1, give strong indication on the existent of a -Ti-O-Ti-network. While from UV-Vis DRS spectra, the band gap of the fabricated HOTNAs were found in the range of 3.10-3.22 eV, which are characteristics for anatase phase. In addition, obtained SEM image indicates the existence of quite good ordered nanotube arrays morphology. Linear sweep voltammetry (LSV) measurement showed that the steady state photocurrent density of HOTNAs fabricated by Ti-chemical polishing were greater than that of prepared by Ti-mechanical polishing. The increasing of H2O2 content in electrolyte (1.5% H2O2/3.5% H2O) affected to the enhancement of steady state photocurrent density of HOTNAs. Thus pre-treatment of the Ti foils using chemical polish method does enhance its photo-electrochemical property.
AB - The comparison of two pre-treatment methods, such as mechanical polishing and chemical polishing, prior to anodization of titanium surface in the ethylene glycol based electrolyte containing H2O2, were carried out to investigate their effects on photo-electrochemical property of produced highly ordered TiO2 nanotube arrays (HOTNAs). The Ti-chemical polishing was conducted in electrolyte containing H2O2 (0.6% H2O2/1.4% H2O). The prepared HOTNAs were characterized by FT-IR, UV-Vis DRS and SEM. The obtained FTIR spectrum, showed vibration band at 1100 and 425 cm-1, give strong indication on the existent of a -Ti-O-Ti-network. While from UV-Vis DRS spectra, the band gap of the fabricated HOTNAs were found in the range of 3.10-3.22 eV, which are characteristics for anatase phase. In addition, obtained SEM image indicates the existence of quite good ordered nanotube arrays morphology. Linear sweep voltammetry (LSV) measurement showed that the steady state photocurrent density of HOTNAs fabricated by Ti-chemical polishing were greater than that of prepared by Ti-mechanical polishing. The increasing of H2O2 content in electrolyte (1.5% H2O2/3.5% H2O) affected to the enhancement of steady state photocurrent density of HOTNAs. Thus pre-treatment of the Ti foils using chemical polish method does enhance its photo-electrochemical property.
UR - http://www.scopus.com/inward/record.url?scp=85062882967&partnerID=8YFLogxK
U2 - 10.1088/1742-6596/1153/1/012073
DO - 10.1088/1742-6596/1153/1/012073
M3 - Conference article
AN - SCOPUS:85062882967
SN - 1742-6588
VL - 1153
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
IS - 1
M1 - 012073
Y2 - 14 August 2018 through 14 August 2018
ER -