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利用噴霧熱解法製作太陽能電池用透明導電薄膜 = Study on flu...

國立高雄大學化學工程及材料工程學系碩士班

利用噴霧熱解法製作太陽能電池用透明導電薄膜 = Study on fluorine-doped tin oxide thin films by spray-pyrolysis technique

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Study on fluorine-doped tin oxide thin films by spray-pyrolysis technique
作者:	黃詔鉉,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	2008[民97]
面頁冊數:	138面圖、表 : 30公分;
標題:	FTO
標題:	DSSC
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/54672291134167905573
附註:	指導教授：陽乾信
附註:	參考書目：面
摘要註:	本研究以噴霧熱解法鍍膜系統，將含有錫離子的前驅物之溶液以氣體攜帶至加熱的玻璃基材，使溶劑瞬間受熱蒸發，同時前驅物的錫離子在大氣環境下進行氧化反應，形成氟摻雜的錫氧化物結晶薄膜(FTO)沈積在玻璃基材上。本實驗使用SnCl4為前驅物，並採用乙醇與水的混合共溶劑，並以氬氣為攜帶氣體。主要目標在找出基材沈積溫度、共溶劑比例、錫離子的濃度、氟摻雜比例、攜帶氣體、噴霧壓力、噴嘴到基材距離、噴霧時間等程序參數對光學穿透性與導電度的最佳化條件。實驗結果，證實基材沈積溫度在350℃以上薄膜即呈現二氧化錫結晶。隨著不同共溶劑的比例，薄膜粗糙度會有相當明顯的改變，進而影響薄膜的光學穿透性，變化幅度在80％～90％之間，並影響電阻率，從5.5×10-3 Ω-cm降低至1.8×10-3 Ω-cm。錫離子的濃度將會影響薄膜的緻密性以及晶粒尺寸，晶粒大約為200nm~300nm。氟摻雜比例並不會明顯改變薄膜的結晶微結構；但由霍爾效應的量測，導致載子濃度的增加致使電阻率降至6×10-4 Ω-cm。本實驗工作，可以得到最佳化條件之攜帶氣體壓力為2 kg/cm2、噴霧距離為25公分、單次噴塗時間為0.5秒、共溶劑比例為3 / 7、錫濃度為0.8M、摻雜比例為10v%、沈積溫度為400℃。在最佳化條件下得到的透明導電薄膜光學穿透性在85％以上，電阻率能夠低於10-3 Ω-cm。經進一步在最佳化條件下製作的透明導電薄膜上塗佈多孔性TiO2薄膜後，吸附D149染料組成染料敏化太陽能電池，獲得效率為3.6%(市售FTO所得結果為3.9％）。 Spray pyrolysis technique was used to prepare a conducting fluorine-doped tin oxide (FTO) thin film on glass substrate in this study. Spray solution containing Sn+4 ions precursor was sprayed onto the heated substrate in which a FTO deposition was obtained by the pyrolysis process. Tin ions were oxidized in air atmosphere and formed fluorine-doped tin oxide thin film on glass substrate. In the process, argon was used to carry the precursor solution. Ethanol and water were mixed to use as a co-solvent. The main purpose is to search the optimum process parameters of transmittance and resistivity of FTO by varying process parameters, such as carrier gas, spray pressure, the distance between nozzle and substrate, spray time interval, concentration of tin cation, co-solvent ratio, doping level, and substrate temperature. From the experimental results, tin oxide crystals can be observed when the deposited temperature was above 300℃. The roughness of FTO thin film was obviously influenced with different co-solvent (H2O/EtOH) ratios, whereas the transmittance of FTO film ranged from around 80 to 90%. The resistivity of FTO thin film can be lowered from 5.5×10-3 to 1.8×10-3 Ω-cm. Concentration of tin cation affected the grain size ranging from 150 to 300 nm and the uniformity of FTO film. The optimum parameter conditions could be obtained as follows: 2 kg/cm2 of spray pressure, 25 cm distance between nozzle to substrate, 0.5s of spray time interval, 3/7 of co-solvent (H2O/EtOH) ratio, 0.8M tin ion concentration, 10v% of CF3COOH doping level (vs. precursor solution), and 400℃deposited substrate temperature. At optimum conditions, the transparent conductive oxide FTO film possesses a transmittance ~ 90% and low resistivity below 10-3 Ω-cm. This optimal FTO-coated glass was used as a substrate for further application in a dye-sensitized solar cell. TiO2 nano-particle film was deposited on the FTO substrate and then adsorbed D149 dye to assemble a dye-sensitized solar cell with efficiency of 3.6% (as compared to 3.9% efficiency of Hartford FTO substrate).

利用噴霧熱解法製作太陽能電池用透明導電薄膜 = Study on fluorine-doped tin oxide thin films by spray-pyrolysis technique
黃, 詔鉉

利用噴霧熱解法製作太陽能電池用透明導電薄膜 = Study on fluorine-doped tin oxide thin films by spray-pyrolysis technique / 黃詔鉉撰 - [高雄市] : 撰者, 2008[民97]. - 138面 ; 圖、表 ; 30公分.
指導教授：陽乾信參考書目：面.
FTODSSC

利用噴霧熱解法製作太陽能電池用透明導電薄膜 = Study on fluorine-doped tin oxide thin films by spray-pyrolysis technique
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