# Two-dimensional polymer enables efficient photocatalytic water splitting via out-of-plane charge flow

Scientists have developed a two-dimensional polymer that utilizes out-of-plane carrier flow to improve photocatalytic water splitting for hydrogen production. This design enhances charge separation and utilization efficiency. The advance could lead to more sustainable solar fuel generation.

**Importance:** 3/5

## Sources

### Science
- [Nature](https://www.nature.com/articles/s41586-026-10866-0) — 2026-07-29