# Dual upconversion nanophotoswitch for security encoding

> Research article (Science China Materials, 2018) · cited 49× · AI/ML

**Wikidata**: [openalex:W2891807736](https://www.wikidata.org/wiki/openalex:W2891807736)  
**Source**: https://4ort.xyz/entity/dual-upconversion-nanophotoswitch-for-security-encoding