Photoreduction of CO₂ to Methanol

CO2 + 3H2O → CH3OH + 3/2 O2

अवलोकन

Photocatalysts can reduce CO₂ to methanol using sunlight and water, mimicking photosynthesis to produce liquid fuel. Copper-modified TiO₂ and other semiconductor catalysts have shown promising results. This artificial photosynthesis approach could simultaneously address CO₂ emissions and produce renewable fuel.

प्रतिभागी

भूमिका पदार्थ गुणांक अवस्था
अभिकारक Carbon Dioxide CO₂ 1 (g)
अभिकारक Water H₂O 3 (l)
उत्पाद Methanol CH₃OH 1 (l)

रोजमर्रा का उदाहरण

Researchers envision solar fuel stations that could convert atmospheric CO₂ into methanol fuel using sunlight and water.

औद्योगिक महत्व

Solar-to-fuel conversion via CO₂ photoreduction is an active area of research with potential to produce carbon-neutral liquid fuels.

गुण

प्रकार
Photochemical
प्रतिवर्ती
नहीं
ऊर्जा
ऊष्माशोषी
ΔH
727.0 kJ/mol
उत्प्रेरक
Cu/TiO₂ photocatalyst

संबंधित अभिक्रियाएँ

Cis-Trans Isomerization of Retinal Silver Chloride Photodecomposition Luminol Chemiluminescence Firefly Bioluminescence (Luciferin Oxidation) Photolysis of Water (Vacuum UV) Photochemical Smog Formation (NO₂ Photolysis) Photodegradation of Methylene Blue by TiO₂ Photodissociation of Chlorine Gas Silver Bromide Photodecomposition Chlorophyll Fluorescence

Frequently Asked Questions

What is the equation for Photoreduction of CO₂ to Methanol?
The balanced equation is: CO₂ + 3H₂O → CH₃OH + 3/2 O₂.
What type of reaction is Photoreduction of CO₂ to Methanol?
Photoreduction of CO₂ to Methanol is a photochemical reaction.
Is Photoreduction of CO₂ to Methanol exothermic or endothermic?
Photoreduction of CO₂ to Methanol is endothermic (absorbs energy). The enthalpy change (ΔH) is 727.0 kJ/mol.
What conditions are needed for Photoreduction of CO₂ to Methanol?
This reaction requires a catalyst (Cu/TiO₂ photocatalyst).