Judul: Analisis ekonomi rumahtangga nelayan juragan dan nelayan pandega di Kelurahan Tegalsari dan Desa Muarareja Kecamatan Tegal Barat, Kotamadya Tegal
Abstrak: Sebagai salah satu kegiatan ekonomi, sub sektor perikanan mempunyai peluang besar dalam pembangunan jangka panjang, tetapi pada saat ini sub sektor perikanan masih mempunyai permasalahan pokok, salah satunya adalah kemiskinan nelayan dan kualitas sumberdaya manusia yang masih rendah. Melihat kenyataan itu maka pengembangan kegiatan di dalam dan di luar perikanan perlu diberikan perhatian yang lebih, guna meningkatkan pendapatan nelayan.
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Judul: Tingkat Pendapatan dan Pengeluaran Keluarga Nelayan Cantrang di Kelurahan Tegalsari Kecamatan Tegal Barat Kotamadya Tegal, Jawa Tengah
Abstrak: Perikanan di Indonesia didominasi oleh perikanan skala kecil (small-scale fisheries ) . Kontribusi (sumbangan) armada perikanan skala kecil ini terhadap-produksi perikanan di Indonesia diperkirakan sekitar 90 b (Fauzi , 1390). Meskipun peranan sektor perikanan skala kecil cuitup periting di Indonesia, namuri rnasiti banyak kendala yang dihadapinya yang menyebabkan sulitnya segment industri uriLuk berkernbarig. Kendala-kendala ter-sebut aritara lain masalah sumberdaya, teknologi , modal, pemasaran dan sosio ekonomi lainnya, yang menyebabkan rendahnya produktivitas . Rendahnya produksi dari dikombinasikan dengan kendalakendaia tersebut di atas, pada gilirannya akan memperendah pula tingkat pendapatan per kapita nelayan knususnya buruh nelayan.
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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