# A Zero‐Power Optical, ppt‐ to ppm‐Level Toxic Gas and Vapor Sensor with Image, Text, and Analytical Capabilities

> Research article (Advanced Materials Technologies, 2020) · cited 18× · AI/ML

**Wikidata**: [openalex:W3015567306](https://www.wikidata.org/wiki/openalex:W3015567306)  
**Source**: https://4ort.xyz/entity/a-zeropower-optical-ppt-to-ppmlevel-toxic-gas-and-vapor-sensor-with-image-text-and-analytical-capabilities