Sustainable D-A structured lignin-based ionic thermoelectric hydrogel for high-efficiency photothermoelectric conversion and wearable self-powered sensing.
As a major byproduct of the pulp and paper industry, lignosulfonates can be converted into photothermoelectric gels via their inherent structural advantages, offering an effective pathway for high-value utilization of agricultural and forestry wastes, source reduction of plastic pollution, and circular economy developm...