2024-05-06 10:00:42
超简单!WO3一步高温退火催化高效全解水
常规的全解水催化剂常常需要多种组分组合并且经过复杂的处理过程才能得到较高的活性。A. Jelinska等人则通过简单的溶胶凝胶法在FTO上沉积一层WO3,然后仅需要一步高温退火(700 ℃),得到含有~1.2 μm WO3的阳极电极,在AM 1.5G (100 mW/cm2), 1.23 V vs RHE条件下电流密度可达4.2 mA/cm2。研究发现,退火温度至关重要,降温至550℃后其性能便大减。Aldona Jelinska*, Renata Solarska*, Jan Augustynski*, et al. Enhanced Photocatalytic Water Splitting on Very Thin WO3 Films Activated by High-Temperature AnnealingACS Catal., 2018, 8, pp 10573–10580 DOI: 10.1021/acscatal.8b03497https://pubs.acs.org/doi/10.1021/acscatal.8b03497