本研究利用滾筒式近場靜電紡絲製程技術(Cylindrical near-field electrospinning, CNFES)，配合田口方法(Taguchi methods)找出最佳製程參數之Poly(γ-benzyl α, L-glutamate, PBLG)壓電纖維，探討其機電能轉換特性及擷取低頻振動能量於生物翼之動態感測效能。調配過程首先將二氯甲烷(Dichloromethane)溶液均勻散佈於PBLG粉末中調配成PBLG高分子溶液並裝填於注射器，經由5×106~1.5×107 V/m電場使液滴突破表面張力而形成泰勒錐狀(Taylor cone)，藉由滾筒收集與XY雙軸式數位控制平台移動而形成有序的PBLG壓電纖維。由PBLG壓電纖維之田口方法最佳製程的結果發現，當PBLG溶液濃度提升至18 wt %、滾筒切線速度在2618 mm/s與電場1.5×107 V/m下，所電紡出的纖維進行電壓量測可達89.14 mV；經傅立葉轉換紅外光譜(Fourier-transform infrared spectrometer, FTIR)測得在1650 cm-1波長下的α結晶相，經由施加1.5×107 V/m電場後之取向力提升了3.3倍；經微拉伸試驗(Micro-tensile testing)量測出楊氏係數為3.64 GPa，並導出在PBLG壓電纖維之機電耦合係數在2~8%的範圍；單根PBLG壓電纖維於8MΩ阻抗有效電壓量測下有33.27 mV的電壓輸出與最大的功率輸出138.42 pW，並與聚偏氟乙烯(Polyvinylidene fluoride, PVDF)壓電纖維比較在相同製作量測環境下，當阻抗為6 MΩ時產生39.94 mV的電壓並有最大的功率輸出為265.81 pW。雖輸出功率不及PVDF壓電纖維，但與PVDF相較其 PBLG材料未含氟元素，更適合於生物醫學方面的研究。最終將PBLG壓電纖維搭配指叉式電極貼附於生物翼，進行10~30 Hz (相當於0.01~0.05N之振翅力)的仿生(Bionics)振盪頻率實驗，獲得7.636~14.245 mV之電壓訊號，於未來可提供生物的飛行型態模型建立與獵能及感測裝置校證等依據。

In this study, a cylindrical near-field electrospinning (CNFES) process and the Taguchi methods were used to fabricate permanent piezoelectricity of poly(γ-benzyl α, L-glutamate) (PBLG) piezoelectric fibers. Exploring the electrical and mechanical energy conversion characteristics of PBLG piezoelectric fibers. The electrical and mechanical energy conversion characteristics of PBLG piezoelectric fibers applied on biological wings are aim to capture low-frequency energy. First, the PBLG powder was mixed with dichloromethane solution uniformly to prepare PBLG macromolecular solution. High electric field (5×106~1.5×107 V/m) generated sufficient electrostatic force to deform the polymer meniscus into a conical shape (Taylor cone) and subsequently induce a polymer jet from the tip of the Taylor cone. When the droplet overcame the surface tension of the solution, a PBLG piezoelectric fiber was spun from the Taylor cone tip. With using PBLG piezoelectric fiber process and Taguchi method, when the concentration of PBLG increased to 18%, tangential velocity of cylindrical collection was firxed at measured 2618 mm/s, and the electric field was set at 1.5×107 V/m, the voltage was up to 89.14 mV. After Fourier transform infrared spectroscopy (FTIR) measurement the piezoelectric PBLG fibers appear intensely infrared spectrum of absorption of α-helix structure at the 1650 cm-1. When the electric field increased to 1.5×107 V/m, the Dipole-dipole attraction of α crystalline phase enhanced 3.3-fold. The Young's modulus was measured of 3.64 GPa using micro-tensile testing. The electromechanical coupling coefficient of PBLG fiber was calculated of 2~8%. The voltage output of single piezoelectric fiber was measured under 8 MΩ resistance. The maximum power output is 138.42 pW. Piezoelectric polyvinylidene fluoride (PVDF) fibers have same process and measurement environment, whose impedance is 6 MΩ and maximum power output is 265.81 pW. But non-toxic piezoelectric was developed. Finally, PBLG piezoelectric fibers directly patterned on interdigital electrode for harvesting energy in biological winging process vibration frequency 10~30 Hz (equivalent to 0.01-0.05 N). The voltage was rarely from 7.64 mV to 14.25 mV. The technology of biological modeling could be used as sensors and harvesters in the future.

摘要 III
Abstract IV
圖目錄 IX
表目錄 XIV
第一章 緒論 1
1-1 前言 1
1-2 研究背景與動機 1
1-3 研究目的 2
第二章 文獻回顧 4
2-1壓電效應 4
2-1-1正壓電效應 4
2-1-2逆壓電效應 5
2-1-3極化處理 6
2-2 壓電材料相關研究 6
2-3 PBLG壓電材料之特性與相關研究 11
2-4靜電紡絲製程 13
2-5能量擷取技術 16
第三章 研究方法 19
3-1 PBLG&PVDF先驅溶液調配流程 19
3-1-1準備材料 19
3-1-2調配PBLG&PVDF先驅溶液過程 20
3-2 滾筒式近場靜電紡絲原理 21
3-3 滾筒式近場靜電紡絲之設備 22
3-4、田口式品質工程 24
3-4-1產品/製程之參數 26
3-4-2訊號雜音比 26
3-4-3直交表 27
3-4-4變異數分析 28
3-4-5田口方法之基本步驟 29
3-5、掃描式電子顯微鏡 29
3-6、傅立葉轉換紅外光譜 30
3-7、微型機性測試機 31
3-8、量測儀器 32
3-8-1、電壓量測 32
3-8-2、電流量測 33
3-8-3、力感測器 34
3-9、能量擷取裝置製作 34
3-10、於生物獵能之能量擷取裝置製作 36
第四章 結果與討論 38
4-1 PBLG滾筒式近場靜電紡絲 38
4-2 PBLG溶液濃度與線徑之關係 40
4-3 電場與線徑之關係 41
4-4 滾筒切線速度與線徑之關係 42
4-5 田口方法之實驗 43
4-5-1 製程參數設計 44
4-5-2 田口方法之實驗結果 47
4-5-3 變異數分析ANOVA 57
4-5-4 確認最佳製程參數並與PVDF壓電纖維比較 58
4-6 FTIR觀察與分析 60
4-7 拉伸實驗 63
4-8 PBLG能量擷取裝置之電性探討 66
4-8-1 電壓量測 67
4-8-2 電流量測 70
4-8-3 力量(N)與輸出電壓(V)與頻率(Hz)的關係 74
4-8-4 PBLG之d33壓電係數探討 76
4-9單根PBLG與PVDF壓電纖維電性比較...................................................77
4-10 生物獵能之電性探討 81
4-10-1探討量測裝置 81
4-10-2 生物飛行電性量測 84
第五章 結論及未來展望 86
5-1 結論 86
5-2未來展望 87
參考文獻 88

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