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​APTS‑functionalized reduced graphene oxide boosts perovskite solar cell efficiency 

​APTS‑functionalized reduced graphene oxide boosts perovskite solar cell efficiency 

Researchers from Taiwan’s National Cheng Kung University and Chung Yuan Christian University have developed an interface-engineering strategy to overcome key efficiency bottlenecks in mesoporous perovskite solar cells by introducing APTS-functionalized reduced graphene oxide (APTS-rGO) into the electron transport structure.

In this work, reduced graphene oxide (rGO) was chemically modified using 3-aminopropyltriethoxysilane (APTS), a silane coupling agent with both amine and silane functional groups. This dual functionality enables strong bonding with oxide surfaces such as TiO2 while simultaneously improving compatibility with the perovskite layer.

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Researchers from Taiwan’s National Cheng Kung University and Chung Yuan Christian University have developed an interface-engineering strategy to overcome key efficiency bottlenecks in mesoporous perovskite solar cells by introducing APTS-functionalized reduced graphene oxide (APTS-rGO) into the electron transport structure.

In this work, reduced graphene oxide (rGO) was chemically modified using 3-aminopropyltriethoxysilane (APTS), a silane coupling agent with both amine and silane functional groups. This dual functionality enables strong bonding with oxide surfaces such as TiO2 while simultaneously improving compatibility with the perovskite layer. 

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