We use dark lock-in thermography (DLIT) to detect them. While shunts can be detected by measuring a cell’s I-V (current-voltage) curve, no information about a shunt’s cause or location …
Lock-in thermography based local solar cell analysis for high ...
2019年5月1日 · Dark lock-in thermography (DLIT) is the most reliable method for imaging the dark current density in solar cells [4], [5], [8], [17]. The so-called "Local I-V" method is a software …
Comparison of DLIT- and PL-based Local Solar Cell ... - ScienceDirect
2013年1月1日 · Both dark lock-in thermography (DLIT) and photoluminescence (PL) imaging deliver information about the local electronic properties of solar cells. Special methods have …
硅太阳能电池缺陷深度分辨DLIT检测技术研究-学位-万方数据知识 …
暗场锁相热成像技术(Dark Lock-in Thermography，DLIT)目前已经成功实现对微电子器件表层底层缺陷的分离，研究DLIT方法分辨太阳能电池不同深度缺陷，对于明确缺陷产生的物理机制，改 …
DLIT- versus ILIT-based efficiency imaging of solar cells
2017年9月1日 · This knowledge allows us to judge how strong certain defect regions influence the efficiency of the whole cell. Efficiency imaging can be performed based on dark lock-in …
与利用电磁光谱进行红外成像不同,锁相热成像(LIT)方法使用周期性调制激励信号进行成像,检 测效果更好,其中超声锁相热成像(ULT)方 法[9]可 检测光伏电池的表面裂纹,但由于这种技术需要引 …
基于锁定热成像的高效单晶异质结型太阳能电池局部太阳能电池分 …
摘要 迄今为止，用于分析太阳能电池两二极管参数不均匀性的基于暗锁相热成像（DLIT）的“局部IV”方法主要应用于多晶硅电池。 在这一贡献中，它被应用于三款异质结型 (HJT) 高效单晶电 …
Dark lock-in thermography (DLIT) is the technique of choice for shunt imaging, but LIT can do much more on solar cells. DLIT results can easily be quantified in terms of local current …
dark lock-in thermography (DLIT) imaging within the model of independent diodes, or based on illuminated lock-in thermography (ILIT), which does not assume any cell model. Moreover, by …
使用光致发光、缺陷带发射和锁定热成像技术关联多晶硅缺陷类 …
成像技术包括带间光致发光 (PL)、缺陷带或子带隙 PL (subPL) 和暗锁定热成像 (DLIT)。 缺陷区域可以在整个加工过程中从切割后的晶圆到成品电池进行跟踪。