Nobel Prize in Chemistry for metal-organic frameworks carbon capture
Source:The Hindu ↗
Why It Matters
The development of Metal-Organic Frameworks (MOFs) introduces cutting-edge science capable of directly capturing atmospheric carbon dioxide and addressing water scarcity. Questions on emerging technologies, direct air capture, carbon sequestration, and recent Nobel Prize-winning discoveries are highly relevant for Prelims and Mains GS-3.
Summary
Jordanian-American chemist Omar Yaghi, alongside Susumu Kitagawa and Richard Robson, was awarded the 2025 Nobel Prize in Chemistry for groundbreaking discoveries regarding metal-organic frameworks (MOFs). These highly porous materials have significant climate and environmental applications, including direct carbon dioxide capture and harvesting water from dry desert air. Raised in a humble Palestinian refugee family in Jordan, Yaghi highlighted the journey from a home without electricity to a Nobel laureate, emphasizing the role of science as a great equalizing force capable of unlocking human potential worldwide.
Key Points
- Omar Yaghi, Susumu Kitagawa, and Richard Robson were awarded the 2025 Nobel Prize in Chemistry for their pioneering work on metal-organic frameworks (MOFs).
- MOFs are porous materials that allow scientists to control matter at the atomic and molecular levels for advanced applications.
- Practical uses of MOFs include capturing atmospheric carbon dioxide to mitigate climate change and harvesting drinkable water from arid desert air.
- Born to a Palestinian refugee family in Jordan, Yaghi emphasized science as the world\'s greatest \'equalising force\', calling for global opportunities to unleash human potential.
Important Terms
Metal-Organic Frameworks (MOFs)
Porous crystalline materials composed of metal ions or clusters linked by organic molecules to form 1D, 2D, or 3D network structures.
UPSC context
GS III (S&T/Environment); tests knowledge of advanced materials and their applications in carbon capture, water harvesting, and clean energy.
Direct Air Capture (DAC)
A technology that extracts carbon dioxide (CO2) directly from ambient air using chemical or physical processes to achieve negative emissions.
UPSC context
GS III (Environment); relevant for climate change mitigation, net-zero targets, and carbon sequestration strategies.
Reticular Chemistry
The science of linking molecular building blocks (nodes and linkers) into extended, crystalline, and predictable structures via strong chemical bonds.
UPSC context
GS III (S&T); tests understanding of foundational chemistry principles behind the "atom-by-atom" design of new functional materials.
Atmospheric Water Harvesting
The process of extracting water vapor from the atmosphere, even in low-humidity/arid conditions, typically using sorbent materials like MOFs.
UPSC context
GS III (S&T/Environment); concerns innovative solutions for global water scarcity, resource management, and climate-resilient technology.
Nanotechnology
The branch of science and engineering dealing with the manipulation of matter on an atomic and molecular scale (1 to 100 nanometers).
UPSC context
GS III (S&T Syllabus); a core topic testing awareness of emerging technologies and their multidisciplinary industrial applications.
Nobel Foundation
A private institution established in 1900 to manage the finances and administration of the Nobel Prizes according to Alfred Nobel's will.
UPSC context
Prelims (Current Affairs/International Institutions); tests awareness of major global awards and their governance frameworks.
Prelims Trap
"MOFs are naturally occurring biological compounds that aid in natural carbon sequestration."
MOFs are entirely synthetic, engineered crystalline materials created in laboratories. They are not biological or naturally occurring, despite the word "organic" in their name.
Static Concepts Connected
What are the primary methods of Carbon Capture, Utilization, and Storage (CCUS)?
- Biological Sinks: Utilizing natural ecosystems like forests, oceans, peatlands, and wetlands to naturally absorb and store CO2.
- Geological Storage: Injecting captured CO2 into deep underground rock formations, such as depleted oil and gas reservoirs.
- Technological Capture: Using engineered materials like MOFs or Direct Air Capture (DAC) systems to chemically bind and remove CO2 from the atmosphere.
What structural properties give Metal-Organic Frameworks (MOFs) their unique industrial value?
- Ultra-high surface area: Their highly porous structure means a single gram of MOF can have an internal surface area equivalent to a football field.
- Tunable porosity: Scientists can adjust pore sizes at the molecular level to selectively trap specific target molecules, such as CO2 or atmospheric moisture.
- Hybrid crystalline structure: They combine inorganic metal nodes with organic molecular linkers to form incredibly stable, flexible, 3D crystalline networks.
Cross-Topic Patterns
Advanced materials in climate mitigation
UPSC frequently links advanced materials to environmental solutions (e.g., past questions on bioremediation). MOFs fit this 'tech-for-ecology' overlap perfectly for carbon capture and arid-region water harvesting.
Hydrogen storage and Green Energy
Storing volatile green hydrogen safely is a major hurdle. MOFs act as molecular containers, linking this Chemistry Nobel directly to the technological requirements of India's National Green Hydrogen Mission.
A 2026 Prelims question will likely ask to identify 'applications of MOFs', mixing carbon capture, water harvesting, and hydrogen storage.
Linked PYQs · 4
Linked PYQs · 4
- 2025PrelimsGS1
With reference to 'Direct Air Capture', an emerging technology, which of the following statements is/are correct? I. It can be used as a way of carbon sequestration. II. It can be a valuable approach for plastic production and in food processing. III. In aviation, it can be a source of carbon for combining with hydrogen to create synthetic low-carbon fuel. Select the correct answer using the code given below.
- 2023PrelimsGS1
Consider the following activities: 1. Spreading finely ground basalt rock on farmlands extensively 2. Increasing the alkalinity of oceans by adding lime 3. Capturing carbon dioxide released by various industries and pumping it into abandoned subterranean mines in the form of carbonated waters How many of the above activities are often considered and discussed for carbon capture and sequestration?
- 2017PrelimsGS1
In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration? 1. Abandoned and uneconomic coal seams 2. Depleted oil and gas reservoirs 3. Subterranean deep saline formations Select the correct answer using the code given below:
- 2025MainsGS3
What is Carbon Capture, Utilization and Storage (CCUS)? What is the potential role of CCUS in tackling climate change?
