➀ Researchers presented a novel nanocomposite, AsO2I/Ppy-I, for exceptional single photon detection properties; ➁ The AsO2I/Ppy-I nanocomposite exhibits a unique morphology with open spherical particles that enhance light absorption and photon management; ➂ The nanocomposite outperforms existing materials in terms of photodetection capabilities, thanks to its optimized structural arrangement.