The development in electronic sector has brought a remarkable change in the lifestyle of mankind. At the same time, this technological advancement results in adverse effect on environment due to the use of toxic and non-degradable materials in various electronic devices. With the emergence of environmental problems, the green, reprogrammable, biodegradable, sustainable and environmental-friendly electronic devices have become one of the best solutions for protecting our environment from hazardous materials without compromising the growth of the electronic industry. Natural material has emerged as the promising candidate for the next generation of electronic devices due to its easy processing, transparency, flexibility, abundant resources, sustainability, recyclability, and simple extraction. This review targets the characteristics, advancements, role, limitations, and prospects of using natural materials as the functional layer of a resistive switching memory device with a primary focus on the switching/memory properties. Among the available memory devices, resistive random access memory, write once read many unipolar memory, etc., devices have a huge potential to become the nonvolatile memory of the next generation owing to their simple structure, high scalability, and low power consumption. The motivation behind this work is to promote the use of natural materials in electronic devices and attract researchers toward a green solution of hazardous problems associated with the electronic devices.

电子行业的发展给人类的生活方式带来了显着的变化。同时，由于在各种电子设备中使用有毒和不可降解的材料，这种技术进步对环境造成了不利影响。随着环境问题的出现，绿色、可重新编程、可生物降解、可持续和环保的电子设备已成为保护我们的环境免受有害物质影响而又不影响电子行业发展的最佳解决方案之一。天然材料由于其易于加工、透明、灵活、资源丰富、可持续性、可回收性和提取简单等优点，已成为下一代电子设备的有前途的候选者。本次审查针对的特点，进步，使用天然材料作为阻变存储器件功能层的作用、局限性和前景，主要关注开关/存储特性。在可用的存储器件中，电阻式随机存取存储器、一次写入多次读取单极存储器等，由于其结构简单、可扩展性高、功耗低等特点，器件具有成为下一代非易失性存储器的巨大潜力。这项工作背后的动机是促进天然材料在电子设备中的使用，并吸引研究人员寻求与电子设备相关的危险问题的绿色解决方案。在可用的存储器件中，电阻式随机存取存储器、一次写入多次读取单极存储器等，由于其结构简单、可扩展性高、功耗低等特点，器件具有成为下一代非易失性存储器的巨大潜力。这项工作背后的动机是促进天然材料在电子设备中的使用，并吸引研究人员寻求与电子设备相关的危险问题的绿色解决方案。在可用的存储器件中，电阻式随机存取存储器、一次写入多次读取单极存储器等，由于其结构简单、可扩展性高、功耗低等特点，器件具有成为下一代非易失性存储器的巨大潜力。这项工作背后的动机是促进天然材料在电子设备中的使用，并吸引研究人员寻求与电子设备相关的危险问题的绿色解决方案。