Muga silk nanoparticles (MSNP) in the size range of 28–142 nm were synthesized via microwave-assisted radiolysis method. Interestingly, these nanoparticles acquire cuboidal shape and exhibit photoresponsive property, under white light illumination of power 56 mW/cm² in a photo-electrochemical cell, when fabricated in MSNP/ZnO/ITO/PET flexible device structure. The device was found to be active under visible light illumination and gives photoresponsivity of 0.119 µA/W with the rise/decay time of 0.9/0.6 s, respectively. Such photoresponse of MSNP could serve as an optoelectric biomolecule, which would find its application for next-generation wearable and implantable optoelectronic devices.

通过微波辅助辐射分解法合成了尺寸范围为28–142 nm的Muga丝纳米粒子（MSNP）。有趣的是，当以MSNP / ZnO / ITO / PET柔性器件结构制造时，这些纳米颗粒在光电化学电池中以56 mW / cm ²的功率在白光照射下获得立方体形状并显示出光响应性。发现该器件在可见光照明下可工作，并具有0.119 µA / W的光响应性，上升/下降时间分别为0.9 / 0.6 s。MSNP的这种光响应可以用作光电生物分子，它将在下一代可穿戴和可植入光电设备中得到应用。