本篇論文中，以新穎之溶劑熱法合成出銅鋅錫硫四元半導體材料，改進相對嚴苛的製程方式和製造成本，並且對於不同碳基材進行最佳成長CZTS奈米結構之調控。最佳化方面，本研究發現結合銅鋅錫硫莫耳比例為2:1:1:2之介面層以及比例為2:1:1:5之結構層，可擁有最完整之奈米牆結構，而為確保成長於碳基材上之均勻性，合成中添加金屬鉬片於背面，藉由金屬鉬本身之觸媒特性，成功使CZTS奈米結構均勻成長於不同碳基材表面。
而就表面型態、成分特性等特性分析，發現無論成長於何種碳基材表面，性質皆無太大差異。電化學方面，觀察到CZTS之氧化還原反應未受集電板不同而有所影響，反倒於連續循環充放電測試中，碳纖維布(Carbon Cloth, CC)擁有最高起始電容值1804mAh/g。而穩定性由碳奈米纖維(Carbon Nano Fiber, CNF)為最佳，充放電20圈後從起始之1034mAh/g緩慢上升至1139mAh/g。比較電化學與碳基材本身之電性分析，發現兩者並無直接相關性，故初步判斷活性材料之電容值與穩定性並非集電板本身電性高低帶來之效應。本論文之分析結果所示，作為鋰電池陽極材料，CNF為三種碳基材中最適成長CZTS奈米結構之集電板，後續若針對表面型態、結晶程度等進行最適化調控，相信能為鋰電池陽極材料帶來更佳之效應。

In this work, quaternary CuxZnySnzS (CZTS) nanostructures were synthesized by a novel solvothermal approach. To improve the manufacturing procedures and costs of semiconductor materials, CZTS was applied as anode material in Lithium-ion Batteries (LIBs) while using various carbon-based current collectors. The best nanowall structure of CZTS was found in the combination of Cu:Zn:Sn:S=2:1:1:2 for seed layer and Cu:Zn:Sn:S=2:1:1:5 for the structure layer. In order to confirm the uniformity of CZTS on the surface of carbon-based current collector, Molybdenum foil was adopted to be the cover on the back side. With the unique properties of Molybdenum, uniform CZTS was successfully synthesized on carbon-based current collector.
The correlation between the properties of current collectors and the morphology of CZTS was weak. In the electrochemical part, the reactions between electrode and electrolyte of various current collectors were similar. However, in the battery cycle test, carbon cloth (CC) had the maximum initial capacity 1804 mAh/g. Moreover, Carbon nanofiber (CNF) had the highest stability than other two carbon-based materials. The capacity of CNF started with 1034 mAh/g and slowly increased to 1139 mAh/g within 20 cycles. Again, the correlation between this result and the electrical properties of current collector was low. To be utilized as high-performance anode electrode for LIBs, CNF is the best current collector when synthesizing CZTS on carbon-based material. In the future, optimizing the morphology and crystallinity of CZTS might be a good way for further development of LIBs.

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