Judul: Analisis pembayaran jasa lingkungan di kawasan konservasi laut daerah kabupaten Raja Ampat
Abstrak: Penelitian ini bertujuan untuk menilai jasa lingkungan yang dihasilkan oleh KKLD Raja Ampat dengan melalui penerapan instrument ekonomi pembayaran jasa lingkungan. Tujuan khusus penelitian ini: 1) Menganalisis total nilai potensial yang dihasilkan melalui pembayaran jasa lingkungan; 2) Menganalisis faktor-faktor yang mempengaruhi nilai WTP responden terhadap pembayaran jasa lingkungan; 3) Menganalisis besarnya nilai potensial yang dihasilkan melalui pembayaran jasa lingkungan dengan membandingkan besarnya biaya yang dibutuhkan untuk KKLD Raja Ampat
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Judul: Evaluasi Efektivitas Pembayaran Jasa Lingkungan Antara Kota Cirebon Dan Kabupaten Kuningan
Abstrak: Ecosystem conservation of watershed on the upstream area is a critical requirement in a continuous water management. This effort has to be supported not only by people that live at the upstream area as the „owner‟ of the catchment area but also by people at the downstream area as the „user‟. Therefore a comprehensive water management endeavor between the „owner‟ and the „user‟ is needed, through a payment of environmental services mechanism. This mechanism has been applied in West Java Province, specifically in Ciremai Mountain area – between Kuningan as the owner of the Paniis watershed and Cirebon as the user. Within the course of payment of environmental services, Kuningan and Cirebon keep identifying an accurate formula to manage the watershed area. Such circumstances place government in a consideration, whether the payment of environmental services program is effective in conserving Paniis watershed as the source of water of people in the city of Cirebon. It is critical to evaluate the effectiveness of payment of environmental services program in Paniis watershed, Ciremai Mountain to address the above question. Four main analyses have been employed to address that main question: (1) Cost and benefit analysis, (3) Willingness to pay analysis, and (4) Multinomial logit analysis. Results of the cost and benefit analysis of the payment of environmental services from 2003 - 2011 indicate that direct costs and direct benefits for Cirebon PDAM had been declining. These results conclude that the payment of environmental services of Cirebon PDAM is not effective to increase the production capacity of the institution. Results of willingness to pay analysis indicate that water users (costumers) have willingness to pay the environmental services of Rp.72/m 3. Based on the payment retrieval analysis: 49% of the respondents choose the payment through the monthly billing method, which is paid through the PDAM account.
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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