Figure 2
From: Highly Responsive Ultraviolet Sensor Based on ZnS Quantum Dot Solid with Enhanced Photocurrent

HRTEM analysis of ZnS QDs samples prepared at different reaction time intervals (a,b) ZnS QD (12 hrs) (c,d) ZnS QD solid (24 hrs) (inset is SAED pattern of ZnS). Schematic representation of Quantum dot solids (Down).