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首页> 外文会议>European Photovoltaic Solar Energy Conference and Exhibition >NANOMETALLIC SILVER INKS FOR METALLIZATION OF ITO-COATED SILICON SOLAR CELLS: INFLUENCE OF ORGANIC COMPONENTS
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NANOMETALLIC SILVER INKS FOR METALLIZATION OF ITO-COATED SILICON SOLAR CELLS: INFLUENCE OF ORGANIC COMPONENTS

机译：ITO包覆硅太阳能电池金属化的纳米银墨：有机成分的影响

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Printed inks or pastes based on silver nanoparticles are promising alternatives for the metallization of temperature-sensitive silicon solar cells. We show that the sintering of silver nanoparticles strongly depends on the nature of the capping agent used to stabilize the particles during synthesis and in ink formulation. Particles capped by agents containing nitrogen as coordinative anchor group (between agent and silver surface) show poorer sintering under same conditions compared with particles capped by oxygen containing stabilizers. Polymers also hinder sintering more than shorter oligomers. In order to avoid unwanted spreading of the metal ink or paste during printing, the formulation has to be adjusted to the requirements given by the surface. If samples covered by a layer of indium tin oxide are stored in air, the surface energy rapidly decreases, dropping by around 30-50 % within one day. Thus, wettability and the work of adhesion also become poorer. This has to be taken into account by formulating inks for metallization on ITO layers.
机译：基于银纳米粒子的印刷油墨或糊剂是对温度敏感的硅太阳能电池金属化的有前途的替代方法。我们表明，银纳米颗粒的烧结在很大程度上取决于用于在合成过程中和油墨配方中稳定颗粒的封端剂的性质。与被含氧稳定剂覆盖的颗粒相比，被含氮作为配位锚定基团的试剂（在试剂和银表面之间）覆盖的颗粒在相同条件下的烧结性能较差。与较短的低聚物相比，聚合物还更不利于烧结。为了避免在印刷过程中金属油墨或浆料的不必要扩散，必须将配方调整到表面给定的要求。如果将覆盖有一层铟锡氧化物的样品存储在空气中，则表面能会迅速下降，一天之内下降约30-50％。因此，润湿性和粘合功也变差。必须通过在ITO层上配制用于金属化的油墨来考虑这一点。

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