论文标题
宽带光响应是由Quasi One维ta2ni3se8中的光体积效应产生的
Broadband photoresponse arising from photo-bolometric effect in quasi-one-dimensional Ta2Ni3Se8
论文作者
论文摘要
在本文中，我们报告了没有贵族或有毒元素的高质量TA2NI3SE8晶体的合成，以及在金属丝样品上的制造和测试。观察到从405 nm到1550 nm的宽带光响应以及性能参数，包括相对较高的光响应率（10 mA W^-1）和特定的检测率（3.5 * 10^7 Jones）和相当短的响应时间（τ_rise= 433 = 433 ms，τ_decay= 372 ms）对于1064 nm，0.5 v bias和1.52 bias和1.52 mias。通过广泛的测量和分析，可以确定光电流产生的主要机制是光溶液测量效应，据信这是造成非常广泛的光谱检测能力的原因。更重要的是，对1310 nm和1550 nm波长的明显响应在光学通信中表现出了有希望的应用。考虑到具有分层纹理的准二维结构，在TA2NI3SE8上构建纳米版的潜力使得它在将来的电子和光电应用程序中更为重要。
In this paper, we report the synthesis of high-quality Ta2Ni3Se8 crystals free of noble or toxic elements and the fabrication and testing of photodetectors on the wire samples. A broadband photoresponse from 405 nm to 1550 nm is observed, along with performance parameters including relatively high photoresponsivity (10 mA W^-1) and specific detectivity (3.5 * 10^7 Jones) and comparably short response time (τ_rise = 433 ms, τ_decay = 372 ms) for 1064 nm, 0.5 V bias and 1.352 mW mm^-2. Through extensive measurement and analysis, it is determined that the dominant mechanism for photocurrent generation is the photo-bolometric effect, which is believed to be responsible for the very broad spectral detection capability. More importantly, the pronounced response to 1310 nm and 1550 nm wavelengths manifests its promising applications in optical communications. Considering the quasi-one-dimensional structure with layered texture, the potential to build nanodevices on Ta2Ni3Se8 makes it even more important in future electronic and optoelectronic applications.
