Judul: Telaahan Beberapa Karakteristik Individu yang Berpengaruh terhadap Keberhasilan Wiraswasta (Studi Kasus pada Pengusaha Kecil Pakaian Jadi di Sentra Industri Kecil Wedi, Kabupaten Klaten, Jawa Tengah)
Abstrak: Praktek lapang ini bertujuan untuk mengetahui karakteristik individu yang mempengaruhi sikap kewiraswastaan dan pengaruh sikap kewiraswastaan tersebut terhadap keberhasilan usaha.
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Judul: Telaahan beberapa karakteristik Individu yang berpenghuni terhadap keberhasilan wiraswasta : Studi kasus pada pengusaha kecil pakaian jadi Sentra Industri Kecil Wedi, Kabupaten Klaten Jawa Tengah
Abstrak: Praktek lapang ini bertujuan untuk mengetahui karakteristik individu yang mempengaruhi sikap kewiraswastaan dan pengaruh sikap kewiraswastaan tersebut terhadap keberhasilan usaha. Menurut M. Amin Azis sikap kewiraswastaan ditunjukkan dengan beberapa sikap antara lain yaitu keterbukaan (innovational), pembinaan modal (capital accumulation), kepemimpinan (leadership behavior), sikap dalam pengambilan resiko (risk-taking behavior). Pengusaha kecil di Sentra Wedi, telah memiliki sikap kewiraswastaan yang baik (0.47). Nilai tersebut merupakan hasil rata-rata dari kelima nilai unsur sikap kewiraswastaan, yaitu (1) keterbukaan kurang baik (-0.74), (2) Pembina- an modal baik (1.55), (3) kepemimpinan cukup baik (0.15), (4) Kesediaan mengambil resiko baik (0.70), (5) menata laksana baik (0.69). Sikap kewiraswastaan pengusaha kecil pakaian jadi di Sentra Wedi berhubungan dengan beberapa karakteristik individu sebagai berikut ini: (1) Latar belakang pekerjaan orang tua, (2) Tingkat pendidikan formal dan non formal, (3) pengalaman berusaha. Sedangkan motivasi afiliasi berdasarkan hasil pengolahan data yang dilakukan ternyata tidak mempengaruhi.
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Judul: Hybrid solar cells of ZnO nanoparticles/chlorophyll was modified metal ions (Zn2+ and Cu2+ )
Abstrak: Zinc Oxide (ZnO) is a n-type semiconductor with a wide the energy band (Band Gap) is 3.37 eV at room temperature and 3.34 eV at low temperature with a large exiton binding energy is 60 meV. ZnO has been synthesized by hydrothermal method, resulting in a decrease in particle size over the duration of the hydrothermal changes. Crystallographic structure of ZnO were characterized using XRD, has shown the characteristic pattern of a hexagonal wurtzite structure, the crystallite size increases to changes in particle size. Changes in particle size has also led to a change in the absorption peak of ZnO as has been demonstrated posted under test using the optical properties of UV-Vis spectrophotometer. Changes of this uptake has also led to changes in the energy band gap, which increases its band gap energy of the particle size. In electronic applications, especially in solar cells. Chlorophyll is considered less effective, because of their very nature are easily degraded as a result of several reactions which are acid, lighting and temperature. The results of the stability test using a halogen lamp 34 W/m2 for 5 hours, that the substitution of chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form more stable than natural chlorophyll. The characterization of the optical properties, the combination of ZnO / chlorophyll in the form of hybrid films has led to a shift in the absorption region of ZnO becomes more widely from the UV to Visible. ZnO/chlorophyll has absorption range of 350-515 nm, ZnO / Zn-feofitin 332-401 nm and 332-632 nm for Cu-feofitin. The combination of ZnO/chlorophyll and CuSCN as a solid electrolite in hybrid solar cell, a modified chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form a more stable I-V curve. It is characterized by its fill factor value greater than natural chlorophyll. Nevertheless, solar cells with natural chlorophyll has been able to produce higher efficiency values of chlorophyll were substituted.
Keyword: Hydrothermal, ZnO/Chlorophyll modified, Hybrid Solar Cell