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Product details
名称
3,4,5-三氟苯胺氢碘酸盐
分子类型
小分子
英文别名
345F3PhAI
英文名称
345FAn
货号
F1334795-250mg
包装规格
250mg
浓度
≥95%
储存温度
室温,充氩
运输条件
常规运输
产品介绍
产品在钙钛矿太阳能电池中用途: 优化钙钛矿薄膜的结晶质量,还能够有效调节钙钛矿层与电荷传输层之间的能级匹配,从而提升太阳能电池的能量转化效率和稳定性。 1、表面缺陷钝化 o氨基锚定缺陷: 345FAn的氨基(-NH3+)与钙钛矿表面未配位的Pb2+结合,填充碘空位(V_I)和铅悬挂键,减少非辐射复合中心,提升载流子寿命。 o碘空位补偿: 其碘离子(1-)可补充钙钛矿晶格中的碘空位,优化晶格完整性,降低缺陷态密度。 2、疏水性与环境稳定性 o氟化基团的屏障作用: 3,4,5-三氟苯胺中的氟原子形成强疏水层,阻挡水分和氧气侵入,显著延缓钙钛矿分解。实验表明,钝化后的器件在85%RH下稳定性可延长至1000小时以上。 o抗离子迁移: 氟的强电负性通过静电作用抑制钙钛矿内部离子(如I-、FA*)的迁移,减少界面电化学腐蚀和相分离。 3、能级调控 oF化苯胺的共轭结构可调节钙钛矿与电荷传输层(如Spiro-0MeTAD或Ni0)的能级对齐,优化电荷提取效率,提升开路电压(V0CV0C)和填充因子(FF)。 性能优点: 1、分子结构优势 o多氟协同效应 :3,4,5-三氟取代提供更强的疏水性和电子效应,增强与钙钛矿表面的结合力,钝化效果优于单氟或双氟类似物。 o有机-无机协同钝化 :氨基与碘离子协同修复表面缺陷,氟原子提供物理保护,实现化学钝化与物理阻隔的双重机制。 2、性能表现 o效率提升: 通过缺陷抑制和能级优化,器件效率可提升1.5-2.5%(如从22%提升至24.5%),主要归因于V0CV0C和FF的改善。 o稳定性突出: 湿热稳定性 : 未封装器件在85%RH下寿命超过1200小时(效率保持>80%) 光热稳定性: 在1太阳光照(50℃)下,T80寿命超过800小时。
分子式
C6H5F3IN
分子量
275.01 g/mol
Safety
「No Dangerous Attributes」
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Research chemical 250mg; ≥95%

Research chemical 250mg; ≥95%; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 250mg; ≥95%.

item number:F1334795-250mg
Product model:250mg
level: 250mg; ≥95%
Lead Time:30days
sold 290 Items
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250mg

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