Hartmann, Pascal Lee, Doh-Kwon Smarsly, Bernd M. Janek, Juergen 2024-01-20T19:04:15Z 2024-01-20T19:04:15Z 2021-09-02 2010-06 1936-0851 https://pubs.kist.re.kr/handle/201004/131399 This paper describes a systematic comparison of the photoelectrochemical properties of mesoporous TiO2 films prepared by the two most prevalent templating methods: The use of preformed, crystalline nanoparticles is generally considered advantageous compared to the usage of molecular precursors such as TiCl4, since the latter requires a separate heat treatment at elevated temperature to induce crystallization. However, our photoelectrochemical experiments clearly show that sol-gel derived mesoporous TiO2 films cause an about 10 times higher efficiency for the water splitting reaction than their counterparts obtained from crystalline TiO2 nanoparticles. This result indicates that for electrochemical applications the performance of nanoparticle-based metal oxide films might suffer from insufficient electronic connectivity. English AMER CHEMICAL SOC PHOTOCATALYTIC ACTIVITY NANOCRYSTALLINE TIO2 ANATASE TIO2 HYDROGEN GENERATION NANOTUBE ARRAYS THIN-FILMS CRYSTALLINE SEMICONDUCTOR CONDUCTIVITY EFFICIENCY Mesoporous TiO2: Comparison of Classical Sol-Gel and Nanoparticle Based Photoelectrodes for the Water Splitting Reaction Article 10.1021/nn1004765 1 ACS NANO, v.4, no.6, pp.3147 - 3154 ACS NANO 4 6 3147 3154 scie scopus 000278888600024 2-s2.0-77955858966 Chemistry, Multidisciplinary Chemistry, Physical Nanoscience & Nanotechnology Materials Science, Multidisciplinary Chemistry Science & Technology - Other Topics Materials Science Article PHOTOCATALYTIC ACTIVITY NANOCRYSTALLINE TIO2 ANATASE TIO2 HYDROGEN GENERATION NANOTUBE ARRAYS THIN-FILMS CRYSTALLINE SEMICONDUCTOR CONDUCTIVITY EFFICIENCY photoelectrochemistry hydrogen titania anatase mesoporous water splitting