Photothermal absorbent balls for fast and efficient cleanup of crude oil
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Various methods including combustion and chemical dispersants have been reported for cleanup of crude oil. However, these methods require a huge consumption of energy resources and time and cause environmental pollution as well. Thus, development of functional absorbents is essential for effective and fast cleanup of crude oil in the sea because the viscosity of crude oil increases as the temperature of seawater decreases, leading to the severe fouling of absorbent. We report photothermal absorbent balls that have a large specific surface area and are effective in reducing the viscosity of crude oil.