Yu Hu

Design and Synthesis of Highly Stable N2O2-Type Azadipyrromethene NIR-II Dyes

Abstract N2O2-type azadipyrromethenes represent an important class of near-infrared (NIR) dyes that typically exhibit absorption below 900 nm. It is of great significance to extend their absorption beyond 900 nm. In this work, eight N2O2-type Zn (II)/Ni (II) azadipyrromethene NIR...

Multi-Algorithm Hierarchical Minimum Data Sets for Soil Quality Assessment in the Black Soil Region of Northeast China: A Case Study in Keshan County

The Northeast black soil region is a major grain-producing area in China, where county-scale assessment of topsoil quality is essential for soil conservation and provides a potential indicator framework for regional soil quality monitoring. In this study, 500 composite cultivated...